WCCI 2016-18: Sergey Borodavkin (UKR)

(1)
Sergey Borodavkin
Nau Era-10
2016
2nd Prize

White wins

1. a4+! Ka5 2. Nd2! Bb5 (2... Bxa4+ 3. Kc4 Bd1 4. Kc5 Nf3 5. Nb6! Nxd2 6. b4#) 3. Nc4+ Bxc4+ 4. Ka3! Bb3 5. Kxb3 Nf3 6. Ka3 Nd4 7. b4#

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(2)
Sergey Borodavkin
Selivanov-50 JT
2017
Special Prize

White wins

1. e7 f1=Q 2. e8=Q Rxe8 3. fxe8=B! 3. fxe8=Q? Qa1+ 4. Kb3 Qa4+! 5. Kxa4 stalemate 3... Qa1+ 3... Qf4 4. Bc6! Qc7 (4... Kxa5 5. b4+ Ka6 6. Ka4 Qxd4 7. b8=N#) 5. Nb3 Qxc6 6. b8=N+! +- (6. b8=Q? Qa4+! 7. Kxa4 stalemate) 4. Kb3 Qxa5 5. b8=R! 5. b8=Q? Qb4+! 6. Qxb4 stalemate 5... Qc7 6. Rb4 +- (Allumwandlung)

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(3)
Sergey Borodavkin
19th Team Championship of Ukraine
2018
4th Place

Draw

1. Ne5!! Rxe5 1... Rxg6 2. f8=Q Rg1+ 3. Kh2 Rxe5 4. Qxf6+ Rf5+ 5. Qxb8 Rg2+ 6. Kh1! (6. Kh3? Rxf6 7. Qf4+ Rf2! -+ (7... Rxf4? stalemate)) 6... Rxf6 7. Qb1+ Kf2 8. Qf1+! Kxf1 stalemate 2. Qxe5 Bxe5 3. f8=Q Rxg6 4. Qg7! Ng4 4... Rxg7 stalemate 5. Qf6+! 5. Qxg6? Nf2# 5... Bf4! 6. Qxa6+! 6. Qxf4+? Nf2+ -+ 6... Rxa6 stalemate

"The theme of counter sacrifice is represented by six thematic moves including 4 for white and 2 for black, accompanied by a synthesis of mate and 5 stalemates." (Sergey Borodavkin)

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(4)
Sergey Borodavkin
19th Team Championship of Ukraine
2018
7th Place

Draw

1. Be4+! Kf4 2. Ne3!! Kxe3 3. Kxc4+ Kxe4 4. Bf2 Ng5 5. h4 Nh3 6. Be1 =

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