21.Nxb5! [White attempts to exchange pieces by a little combination.]
[21.g3 f6 22.Qf5 Ne6 23.Ne4 Qc7 24.Qg4 Kh8 25.Qh4 Nd4 26.Bxd4 cxd4 27.Nxf6 gxf6 28.Qxf6+ Kg8 29.Re2 Rf8 30.Qg5+ Qg7 31.Rxe5 Rxf3µ; 21.Ne2 f6 22.Qg4 Bd7 23.Qg3 Nd5 24.Nc3 Nxc3 25.Bxc3 a4–+]
21...Bxb5 22.Bxe5 Ne6 [22...f6 23.Bxf4 Qd4 24.Qg3= Qa1+? 25.Kd2 Qxa2 26.Bh6 Ra7 27.Rxe8+ Bxe8 28.Re1+–; 22...Rxe5 23.Qxe5 Qh6 24.Qe3„ =]
23.Bxd6 Nxg5 24.a4 Ba6 25.Bxc5? [25.Rxe8+ would be correct: 25...Rxe8 26.Bxc5= Rc8 27.d4 Ne6 28.Bb6 Bd3 29.Kd2! Bg6 (29...Bxc2 30.Rc1 Rb8 31.d5 Bxb3 32.dxe6 fxe6 33.Bxa5=) 30.Rc1 with equality.]
25...Rec8 26.Be3 [26.d4 Ne6 27.Re5 Nxc5 28.dxc5 Bb7-/+]
26...Bxd3 27.Kd2 Bxc2?!-/+ [27...Bg6! 28.Bxg5 Rxc2+ 29.Ke3 f6 30.Bh4 Rb8–+]
[21.g3 f6 22.Qf5 Ne6 23.Ne4 Qc7 24.Qg4 Kh8 25.Qh4 Nd4 26.Bxd4 cxd4 27.Nxf6 gxf6 28.Qxf6+ Kg8 29.Re2 Rf8 30.Qg5+ Qg7 31.Rxe5 Rxf3µ; 21.Ne2 f6 22.Qg4 Bd7 23.Qg3 Nd5 24.Nc3 Nxc3 25.Bxc3 a4–+]
21...Bxb5 22.Bxe5 Ne6 [22...f6 23.Bxf4 Qd4 24.Qg3= Qa1+? 25.Kd2 Qxa2 26.Bh6 Ra7 27.Rxe8+ Bxe8 28.Re1+–; 22...Rxe5 23.Qxe5 Qh6 24.Qe3„ =]
23.Bxd6 Nxg5 24.a4 Ba6 25.Bxc5? [25.Rxe8+ would be correct: 25...Rxe8 26.Bxc5= Rc8 27.d4 Ne6 28.Bb6 Bd3 29.Kd2! Bg6 (29...Bxc2 30.Rc1 Rb8 31.d5 Bxb3 32.dxe6 fxe6 33.Bxa5=) 30.Rc1 with equality.]
25...Rec8 26.Be3 [26.d4 Ne6 27.Re5 Nxc5 28.dxc5 Bb7-/+]
26...Bxd3 27.Kd2 Bxc2?!-/+ [27...Bg6! 28.Bxg5 Rxc2+ 29.Ke3 f6 30.Bh4 Rb8–+]
33...Re8+! [33...Rac8 34.Bxa5 Re8+ 35.Kd4 Rxc5 36.Kxc5 Re5+ 37.Kb4 Bf7 38.Rc1 Re2 39.Rc8+ Be8 40.h4 Kf7 41.Rc7+ Kf8 42.g4 h5³; 33...Rdc8 34.Rxa5 Rxa5 35.Bxa5=]
34.Kd2 a4 35.Ra1 Rac8 36.Bb6 Rb8 37.Ba5 Rb7 38.Rc7 Rb5 39.Ra7 Rd5+ 40.Kc3 Rc8+ 41.Kb4 Rc4+–+
0–1
34.Kd2 a4 35.Ra1 Rac8 36.Bb6 Rb8 37.Ba5 Rb7 38.Rc7 Rb5 39.Ra7 Rd5+ 40.Kc3 Rc8+ 41.Kb4 Rc4+–+
0–1
21...Nc4! [A well-timed move. The following continuation would only help White:]
[21...exf5?? 22.exf5 Ng3 23.Qe1! Nxf5 24.Nxf5 Bxf5 25.Bxf5 gxf5 26.Bxb6!+– △Nd5]
22.fxe6 Bxe6! [In order to exchange White's active Bishop.]
[22...fxe6!? 23.b3 Nxe3 24.Qxe3 Nf4!³ △B×g5]
23.Bxe6 fxe6 24.b3 Nxe3 25.Qxe3 Qc5! [△e5]
26.Kb2! Bxg5?!= [¹26...e5! 27.Nf5™ gxf5 28.Qf3 Nf4 △B×g5 29.exf5 Bxg5 30.Qa8+ Kd7 31.Qf8 Be7³]
[21...exf5?? 22.exf5 Ng3 23.Qe1! Nxf5 24.Nxf5 Bxf5 25.Bxf5 gxf5 26.Bxb6!+– △Nd5]
22.fxe6 Bxe6! [In order to exchange White's active Bishop.]
[22...fxe6!? 23.b3 Nxe3 24.Qxe3 Nf4!³ △B×g5]
23.Bxe6 fxe6 24.b3 Nxe3 25.Qxe3 Qc5! [△e5]
26.Kb2! Bxg5?!= [¹26...e5! 27.Nf5™ gxf5 28.Qf3 Nf4 △B×g5 29.exf5 Bxg5 30.Qa8+ Kd7 31.Qf8 Be7³]
Unity Chess Strategy Multiple Choice 267
public poll
A) e6 – 10
👍👍👍👍👍👍👍 71%
Nikhil, Majid, @Steve1234567890qwerty, @MerissaWongso, @SophiaCat_does_Chess, majeed, Michael, Hansika, @Kasyapat1, Arianna
B) Kg1 – 2
👍 14%
@A_Somewhat_Cool_Guy, @vahike
C) Q×h7 – 2
👍 14%
Ebi, اوین
👥 14 people voted so far.
public poll
A) e6 – 10
👍👍👍👍👍👍👍 71%
Nikhil, Majid, @Steve1234567890qwerty, @MerissaWongso, @SophiaCat_does_Chess, majeed, Michael, Hansika, @Kasyapat1, Arianna
B) Kg1 – 2
👍 14%
@A_Somewhat_Cool_Guy, @vahike
C) Q×h7 – 2
👍 14%
Ebi, اوین
👥 14 people voted so far.
Unity Chess Endgame Multiple Choice 267
public poll
B) c4 – 11
👍👍👍👍👍👍👍 61%
Ebi, @soheil_hooshdaran, Nikhil, Majid, @Steve1234567890qwerty, @MerissaWongso, @A_Somewhat_Cool_Guy, Michael, Hansika, @Kasyapat1, @vahike
C) Qb5 – 7
👍👍👍👍 39%
@RahmaniArapardaz, اوین, @SophiaCat_does_Chess, Srikar, majeed, Alan, Arianna
A) R×b3
▫️ 0%
👥 18 people voted so far.
public poll
B) c4 – 11
👍👍👍👍👍👍👍 61%
Ebi, @soheil_hooshdaran, Nikhil, Majid, @Steve1234567890qwerty, @MerissaWongso, @A_Somewhat_Cool_Guy, Michael, Hansika, @Kasyapat1, @vahike
C) Qb5 – 7
👍👍👍👍 39%
@RahmaniArapardaz, اوین, @SophiaCat_does_Chess, Srikar, majeed, Alan, Arianna
A) R×b3
▫️ 0%
👥 18 people voted so far.
19.e6! [White restricts the opponent's bishop and tries to take down it completely out of play.]
[19.Qxh7!? Kd8 20.Kg1 Bd7 21.Qg6 Rc8 22.Bf7 Nxe5 23.dxe5 Qxe5 24.Rd1 Rxc3 25.Qb6+ Ke7 26.Bd5 Qe3+ 27.Qxe3+ Rxe3 28.Bxb7 Be6 29.Bd5 Bxd5 30.Rxd5 Ra3 31.Rd2²; 19.Kg1 Be6 20.d5 Qc5+ 21.Kh1 Bg8 22.e6 Ne7 23.Rb1 Rc8 24.Bb3 Qd6 25.c4 Kd8 26.Rf1„]
19...Qf6+?? [19...Qd6!? 20.Qxh7 Kd8 (20...Bxe6?? 21.Bxe6 Qxe6 22.Re1) 21.Qxg7²]
20.Kg1 Qg6 21.Qf3 Qf6 22.Qe3 Qh6 23.Qe2 Na5 24.Bd5 Qg5 25.Qf3 Qf6 26.Qh5+ Qg6 27.Qe5 Nc6 28.Qd6 Ne7 29.Rf1 Qh5 30.Bxb7
1–0
[19.Qxh7!? Kd8 20.Kg1 Bd7 21.Qg6 Rc8 22.Bf7 Nxe5 23.dxe5 Qxe5 24.Rd1 Rxc3 25.Qb6+ Ke7 26.Bd5 Qe3+ 27.Qxe3+ Rxe3 28.Bxb7 Be6 29.Bd5 Bxd5 30.Rxd5 Ra3 31.Rd2²; 19.Kg1 Be6 20.d5 Qc5+ 21.Kh1 Bg8 22.e6 Ne7 23.Rb1 Rc8 24.Bb3 Qd6 25.c4 Kd8 26.Rf1„]
19...Qf6+?? [19...Qd6!? 20.Qxh7 Kd8 (20...Bxe6?? 21.Bxe6 Qxe6 22.Re1) 21.Qxg7²]
20.Kg1 Qg6 21.Qf3 Qf6 22.Qe3 Qh6 23.Qe2 Na5 24.Bd5 Qg5 25.Qf3 Qf6 26.Qh5+ Qg6 27.Qe5 Nc6 28.Qd6 Ne7 29.Rf1 Qh5 30.Bxb7
1–0
35...Qb5? [35...c4! 36.Rc1 Rxb3 37.Qxb3 cxd3 38.Qd1 (38.Rxc6 Rxb3–+) 38...Rb2+ 39.Kf1 Qb7 40.Nxd3 Rxh2 41.Kg1 Ra2 42.Ne1 Qb6 43.Qd4 Qxd4 44.exd4 Rd2 45.Rc7 Rxd4–+; 35...Rxb3 36.Qxb3 Rxb3 37.Rxb3 e5 38.Nd5 Qa4 39.Rbb1 Qa2+ 40.Kf1 Bd8 41.Rb7+ Ke6 42.Nc7+ Bxc7 43.Rxc7 Qxh2 44.Rc6+ Kf7 45.Rc7+ Kg6 46.Rdd7„]
36.Ra1? Rxb3? [36...c4 37.bxc4 Rxc4 38.Qd2 Rbc7 39.Ra2 Qb1-/+]
37.Qxb3 Qxb3 38.Rxb3 Rxb3 39.Ra6„
½–½
36.Ra1? Rxb3? [36...c4 37.bxc4 Rxc4 38.Qd2 Rbc7 39.Ra2 Qb1-/+]
37.Qxb3 Qxb3 38.Rxb3 Rxb3 39.Ra6„
½–½
22...Rxd4! [Isik wants to trade off his own two rooks for the opponent's queen which in this position is in Black's favor.]
23.cxd4 Rc8 24.Nb3 [24.Qxc8+? Kxc8 △Q×a2 25.Kb1 Qd3+!–+ △Q×d4]
24...Rxc2+ 25.Kxc2 Ne7?!-/+ [It is a hasty move. Black could have moved his queen to the center and gained a decisive advantage:]
[25...Qe2+! 26.Rd2 Qe4+ 27.Kc1 b6!–+ △Ne7]
23.cxd4 Rc8 24.Nb3 [24.Qxc8+? Kxc8 △Q×a2 25.Kb1 Qd3+!–+ △Q×d4]
24...Rxc2+ 25.Kxc2 Ne7?!-/+ [It is a hasty move. Black could have moved his queen to the center and gained a decisive advantage:]
[25...Qe2+! 26.Rd2 Qe4+ 27.Kc1 b6!–+ △Ne7]