US Women's Champs: Tactics Quiz

[pgn][Event "US Championship (Women, Tiebreaks)"]
[Site "St Louis, MO USA"]
[Date "2018.04.30"]
[Round "2"]
[White "Nazi Paikidze"]
[Black "Annie Wang"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2352"]
[BlackElo "2321"]
[SetUp "1"]
[FEN "1krb1r2/pq1n4/Rp2p2p/6pP/2PP2P1/5P2/Q4BKN/1R6 w - - 0 34"]
[PlyCount "9"]
[EventDate "2018.04.30"]34. Bg3+ ({Paikidze went on to win with:} 34. Ra1 Rc7 35. c5 Re8 36. Rc1 e5 37. Bg3
Rc6 38. Ra1 Rc7 39. cxb6 Nxb6 40. Bxe5 Rxe5 41. dxe5 Qc8 42. Rxb6+) 34... Bc7
35. Ra1 {Adding 34. Bg3+ first makes it impossible for Black to defend the
a7-pawn after 35. Ra1.} Bxg3 36. Rxa7 Qc6 37. Kxg3 Qxc4 (37... Rcd8 38. d5 exd5
39. cxd5 Qf6 40. Rxd7) 38. Rxd7 {and White is winning.} 1/2-1/2[/pgn]

[pgn]

[Event "US Championship (Women, Tiebreaks)"]
[Site "St Louis, MO USA"]
[Date "2018.04.30"]
[Round "1"]
[White "Annie Wang"]
[Black "Nazi Paikidze"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2321"]
[BlackElo "2352"]
[SetUp "1"]
[FEN "Q7/1pkn1p1p/2q5/4p3/1Br1P3/P4P2/1P4rP/1K1R3R w - - 0 26"]
[PlyCount "5"]
[EventDate "2018.04.30"]

26. Be7 $1 ({In the game, Wang played} 26. Ba5+ {and went on to win after} b6
27. Qa7+ Kd8 28. Bxb6+ Ke8 29. Bf2 f6 30. Rd2 Rg7 31. Rhd1 Re7 32. Rg1 Kf7 33.
Qe3 Nf8 34. Qh6 Ke8 35. Rgd1 Nd7 36. Qh5+ Kd8 37. Qg4 Kc7 38. Qg8 Qb5 39. Qg4
Qc6 40. Rd5 Nb8 41. Qg8 Nd7 42. Be1 Rc5 43. Bb4 Rxd5 44. exd5 Qa4 45. Rc1+)
26... Nb8 (26... Qe6 27. Bd8+ Kc6 28. Qc8+ Kb5 29. Qxb7+ Nb6 30. Rd5+ Rc5 31.
Rxc5+ Kxc5 32. Bxb6+ Kb5 (32... Qxb6 33. Qd5#) 33. Bf2+ Kc4 34. Qb4+ Kd3 35.
Qc3+ Ke2 36. Qe3#) 27. Bd6+ Kb6 (27... Qxd6 28. Qa5+ Kc6 (28... Qb6 29. Qxe5+
Kc8 30. Qe8+ Kc7 31. Qd8+ Kc6 32. Rd6+) 29. Rxd6+ Kxd6 30. Qd5+) 28. Bxb8
1/2-1/2[/pgn]

[pgn][Event "US Championship (Women)"]
[Site "St Louis, MO USA"]
[Date "2018.04.28"]
[Round "10"]
[White "Rusudan Goletiani"]
[Black "Irina Krush"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2306"]
[BlackElo "2422"]
[SetUp "1"]
[FEN "2r3k1/p1r2ppp/1q2pb2/8/Ppb1P2P/6PB/3R1PN1/1QB1N1K1 b - - 0 33"]
[PlyCount "19"]
[EventDate "2018.04.18"]33... Ba2 $1 34. Qxa2 b3 35. Qa3 Rxc1 36. e5 Bxe5 37. a5 Qb8 38. Rd8+ Rxd8 39.
Qxc1 b2 40. Qb1 Qc7 41. Nc2 Qxa5 42. Nge3 Qa1 $1 0-1[/pgn]