WCCI 2016-18: Martin Minski (GER)

(1)
Martin Minski
10th WCCT
2016
1st place

Draw

Thematic try: 1. Rxe2? Ra8+ (or 1... a2 2. Rxa2 Ra8+)
A. 2. Na7 Rxa7+ 3. Kb3 a2 4. Rxa2 Rxa2 5. Kxa2 h2 6. Rb1 Ng1

position B1

7. Rb8 Kg7/Kh7 8. Rb7+ Kg6 9. Rb6+ Kg5 10. Rb5+ Kg4 11. Rb4+ Kg3 12. Rb3+ Kf2 13. Rb2+ Ne2 14. Rb1 Nc3+ -+

B. 2. Kb3 a2 3. Rxa2 Rxa2 4. Kxa2 h2 5. Rb1 Ng1 6. Nd4 h1=Q -+

position B2

Solution: 1. Re6+!
a. 1... Kh5 2. Rxe2 Ra8+ 3. Na7!! Thematic try: 3. Kb3? a2 4. Rxa2 Rxa2 5. Kxa2 h2 6. Rb1 Ng1

position B3

7. Nd4 h1=Q -+

position B4

3... Rxa7+ 4. Kb3 a2 5. Rxa2 Rxa2 6. Kxa2 h2 7. Rb1! 7. Rb8? Kg4! 8. Rh8 Nh4 -+ 7... Ng1

position A1/A3/A5

8. Rb8! Kg4 8... Kg6 9. Rh8 = 9. Rg8+ = 9. Rh8? Nh3 -+

b. 1... Kg5 2. Rxe2 Ra8+ 3. Kb3! Thematic try: 3. Na7? Rxa7+ 4. Kb3 a2 5. Rxa2 Rxa2 6. Kxa2 h2 7. Rb1 Ng1 -+

position B5

3... a2 4. Rxa2 Rxa2 5. Kxa2 5. Nd4? Rf2! -+ 5... h2 6. Rb1 Ng1 7. Nd4! h1=Q

position A2/A4

8. Rxg1+! Qxg1 9. Nf3+ =

c. 1... Kh7 2. Re7+! Thematic try: 2. Rxe2? Ra8+ (2... a2) 3. Kb3 a2 4. Rxa2 Rxa2 5. Nd4 Rf2! 6. Nxf3 Rxf3+ 7. Kc2

position B6

Kg6/Kh6 -+ 2... Kh8 3. Rxe2 Ra8+ 4. Kb3 a2 5. Rxa2 Rxa2 6. Nd4! Rf2 6... h2 7. Nxf3 h1=Q 8. Rh4+ Qxh4 9. Nxh4 = 7. Nxf3 Rxf3+ 8. Kc2! =

position A6

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(2)
Martin Minski
The Problemist
2016
1st Prize

Draw

1. Ra2! 1. Ne6+? Kf7! (1... Kg8? 2. Ra2 Qb8 3. Ba7! Nxa7 4. Na6 Qa8 5. Nac7 Qb8 6. Na6 =) 2. d8=Q Rxd8 3. Nxd8+ Qxd8 -+ 1... Qb8 2. Ba7! 2. Na6? Bxa6 -+ 2... Nxa7 3. Na6 Qa8 4. Nc7 4. Ne6+? Kf7 5. d8=Q Rxd8 6. Rxb7+ (6. Nxd8+ Qxd8 7. Rxb7+ Kxf6 -+) 6... Rd7 -+ 4... Qb8 5. Na6 Rg1+ 6. Rg2! 6. Kh3? Bg2+ -+; 6. Kh2? Nf3+ -+; 6. Kf2? Nd3+! 7. Kxg1 Qg3+ -+ 6... Rxg2+ 7. Kh3 Rh2+! 8. Kg3! Rh3+! 8... Qd6 9. d8=Q+ Qxd8 10. Ne6+ Kg8 11. Nxd8 Rg2+ 12. Kh3 =; 8... Nxd7+ 9. Nxb8 = 9. Kxh3 Bg2+! 10. Kxg2 Qa8+ 11. Kg1! 11. Kh2? Kf7! 12. Rb7 Kg6 -+; 11. Kf2? Kf7! 12. Rb8 Qf3+! -+ 11... Nxd7 12. Rb8+! 12. Ne6+? Kf7! 13. Rb8 Qd5! 14. Rf8+ Nxf8 -+; 12. Nc7? Qc8! -+ 12... Nxb8 13. Ne6+ Kg8 14. f7+! 14. Nac7? Qf3! 15. f7+ Qxf7 -+ 14... Kxf7 15. Nac7! =

domination

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(3)
Martin Minski
Boris Ilyich Oleynik-82 MT
2017
1st Prize

White wins

1. g7! Rh4+ 2. Kd5 Qd1+! 3. Bd3! Nxd3 4. Ra5! Ne5+! Switchback 4... Nf4+ 5. Kc6+ +- 5. Kxe5 Qe1+ Switchback

6. Qe2+!! 6. Kf6+? Qxa5 7. Qf3+ Rg4 8. g8=Q Qa1+ 9. Ke7 Qa7+ = 6... Qxe2+ 7. Kf6+ Kh6 7... Kg4 8. g8=Q+ +- 8. g8=N#

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(4)
Martin Minski
43rd World Chess Olympiad
2018
2nd Prize

Draw

1. Qh5! 1. Bh2? Qe3+ -+; 1. Bf4? Qxf4 -+ 1... Qxh5 2. h8=Q Bh7! 2... Qg4 3. Qh2+ Bg2+ 4. Qf4 Qd7+ 5. Bd6 exd6 6. Qe3+ = 3. Bf4 Kf2! 3... Kf3 4. Qe5 = 4. Qf8! 4. Qe5? Qd1+ 5. Bd2 Qxd2# 4... Qg4

5. Qf6!! 5. Ke5? Qe2+ 6. Be3+ Kxe3 -+ 5... Kf1! 5... Bb1 6. Qg5 Qd1+ 7. Bd2 = 6. Qf8! Logical try: 6. Qf7? Bg6! 7. Qf8 Kf2! 8. Qf6! Qd1+! 9. Bd2+ Ke2! 10. Qxe7+ (10. Qxg6 Qxd2+ 11. Ke5 Qe3+ 12. Qe4 Qxe4+ 13. Kxe4 Kd2 14. Kd4 Kc2 -+) 10... Kxd2 -+

position X

6... Kf2 6... Bb1 7. Ke5 Qe2+ 8. Be3+ =; 6... Kg2 7. Qh6! Qd7+ 8. Bd6! e5+! 9. Ke3! = 7. Qf6! 7. Qh6? Qd7+ 8. Bd6 e5+! 9. Kxe5 Qf5+ 10. Kd4 Qe4#

The study ends with three variations all featuring ideal pin stalemates:

a. 7... exf6 stalemate;

stalemate

b. 7... Qd7+ 8. Bd6+ exf6 stalemate

stalemate

c. 7... Qd1+ 8. Bd2+ Ke2 8... exf6 stalemate

stalemate

9. Qxe7+ Kxd2

position X'

10. Qxh7 Qg1+ 11. Ke5 Qxc5+ 12. Ke6 =

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(4a)
G. Kasparyan
Shakhmaty v SSSR
1935

Draw (BTM)

1... Bg4+ 2. Kd2! b2 3. d7! Nb3+ 4. Ke1! (4. Kc3? b1=N+! 5. Kc2 Bd1+ -+) 4... b1=Q+ 5. Bc1 Qe4+ (5... Rb8 6. d8=Q+ Rxd8 7. Qf8+ Rxf8 stalemate) 6. Be3 Qh1+ (6... Rb8 7. d8=Q+ Rxd8 8. Qf8+ Rxf8 stalemate) 7. Bg1 Qh4+ (7... Rb8 8. d8=Q+ Rxd8 9. Qf8+ Rxf8 stalemate) 8. Bf2 Qh1+ 9. Bg1 Qe4+ 10. Be3 Qb1+ 11. Bc1 positional draw - perpetual stalemate

(4b)
G. Kasparyan
Shakhmaty v SSSR
1935

Draw

1. f7 e2 2. f8=Q e1=Q 3. Qf3+ Kh2 4. Nf2! Be2 5. Kh4!! (5. Ng4+? Kg1 -+) 5...Qb4+ (5... Bxf3 stalemate) 6. Ne4 Qe7+ (6... Bxf3 stalemate) 7. Nf6 Qb4+ (7... Bxf3 stalemate) 8. Ne4 Qe1+ 9. Nf2 positional draw - perpetual stalemate

(5)
Martin Minski
StrateGems
2016
1st Prize

White wins

1. Rb6! 1. bxc4?? Rd8# Rxb6 1... Rd8+ 2. Kb7 Rd7+ 3. Kc8 +- 2. Qxe7 Re5! 2... Rd7 3. Qxd7 Bg8 4. Qb7! Rxb3 5. Qb8 +- zz see mainline

3. Qd8+! Logical try: 3. Qxe5? Bg8! zz 4. Qb8 Rxb3 zz 5. Qxb3 Bxb3 6. Kb8 Bd5 = 3... Re8! 3... Bg8 4. Qxb6 +- 4. Qxe8+ Bg8 5. Qe5! zugzwang for Black 5. Qb8? Rxb3 = zz; 5. Qd8? Rb8+! 6. axb8=Q stalemate 5... Rb4! 5... Rxb3 6. Qb8 +- zz 6. Qd6! 6. Qb8? Rxb3 = zz 6... Rxb3 6... Rb5 7. b4! Bd5+ 8. Qxd5 +- 7. Qb8! zz

mutual zugzwang

7... Rxb8+ 7... Ra3 8. Kb7 Rxa7+ 9. Qxa7 +- (9. Kxa7? stalemate) 8. axb8=N! 8. axb8=Q? stalemate; 8. Kxb8? Bd5 = 8... Bd5+ 9. Ka7 +-

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(6)
Martin Minski
Chess Informant-50 AT
2016
2nd Prize

White wins

1. f6+ 1. Qc3+? Kg8 2. Kd6 e1=Q 3. Be6+ Qxe6+ 4. Kxe6 (4. fxe6 Qxg2 =) 4... Qxg2 5. Qc7 Qa8 6. Qf7+ Kh8 = 1... Kh8 2. g6! e1=Q+ 2... Bc4+! 3. Qxc4 e1=Q+ 4. Kf7 +- see mainline 3. Kf7 Bc4+! 3... Qh5 4. Qb8 +- 4. Qxc4 Qe8+! 4... Qh5 5. Be6! +- 5. Kxe8 Qe1+

6. Qe2!! 6. Qe6? Qxe6+! 7. Bxe6 stalemate; 6. Be6? Qxe6+! 7. Qxe6 stalemate; 6. Kf7? Qe8+/Qe7+! 7. Kxe8 stalemate 6... Qxe2+ 7. Kf8 Qxg2 8. g7+ Kh7 9. Bb7! 9. Bf5+? Kh6 10. g8=Q Qa8+ 11. Ke7! Qa3+! -+ (11... Qxg8? 12. f7 +-); 9. Be6? Qa8+ = 9... Qg1 9... Qg6 10. Be4! Qxe4 11. g8=Q+ +-; 9... Qxb7 10. g8=Q+ +-; 9... Qg4 10. Be4+ Kh6 11. g8=Q Qc8+ 12. Ke7! +- see mainline 10. Be4+ Kh6 11. g8=Q Qc5+ 12. Ke8 12. Kf7? Qc4+! 13. Ke7 Qxe4+ = (13... Qxg8? 14. f7 +-) 12... Qc8+

13. Ke7!! 13. Kf7? Qd7+/Qc4+= 13... Qxg8 13... Qc7+ 14. Ke6 Qc4+ (14... Qf7+ 15. Kxf7 +- (15. Qxf7? stalemate)) 15. Bd5 +- 14. f7 Qg7 15. Ke8 +-

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