MESON Chess Problem Database
Problem Display
PID: 11945 (7k/1QBb3P/8/8/8/2K5/8/6R1 w - - 0 1)
Matveenko, N
2nd Prize, Shakhmaty, 1973
#2
5 + 2
| 3296 | Shakhmatny zadachi miniaturi | 1987 |
| 2838 | Fun with Chess Miniatures | 1996 |
| 145 | StrateGems | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bg4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Bh3
- Tries
- 1.Kb2?
- 1...Bg4
- 2.Be5#
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7!
- 1...Bg4
- 1.Kd2?
- 1...Bg4
- 2.Be5#
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7!
- 1...Bg4
- 1.Kb4?
- 1...Bg4
- 2.Be5#
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7!
- 1...Bg4
- 1.Kd4?
- 1...Bg4
- 2.Be5#
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7!
- 1...Bg4
- 1.Bh2?
- 1...Bh3
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Ba4
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bg4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bf5
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bc6
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Be6
- 2.Be5#
- 2.Qg7#
- 1...Bc8
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Be8
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Kxh7!
- 1...Bh3
- 1.Bf4?
- 1...Bh3
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Ba4
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bg4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bf5
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bc6
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Be6
- 2.Be5#
- 2.Qg7#
- 1...Bc8
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Be8
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Kxh7!
- 1...Bh3
- 1.Bb6?
- 1...Bh3
- 2.Bd4#
- 2.Rg8#
- 2.Qg7#
- 1...Ba4
- 2.Bd4#
- 2.Rg8#
- 2.Qg7#
- 1...Bg4
- 2.Bd4#
- 1...Bb5
- 2.Bd4#
- 2.Rg8#
- 2.Qg7#
- 1...Bf5
- 2.Bd4#
- 2.Rg8#
- 2.Qg7#
- 1...Bc6
- 2.Bd4#
- 2.Rg8#
- 2.Qg7#
- 1...Be6
- 2.Bd4#
- 2.Qg7#
- 1...Bc8
- 2.Bd4#
- 2.Rg8#
- 2.Qg7#
- 1...Be8
- 2.Bd4#
- 2.Rg8#
- 2.Qg7#
- 1...Kxh7!
- 1...Bh3
- 1.Bd6?
- 1...Bh3
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Ba4
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bg4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bf5
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bc6
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Be6
- 2.Be5#
- 2.Qg7#
- 1...Bc8
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Be8
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Kxh7!
- 1...Bh3
- 1.Bb8?
- 1...Bh3
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Ba4
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bg4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bf5
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Bc6
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Be6
- 2.Be5#
- 2.Qg7#
- 1...Bc8
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Be8
- 2.Be5#
- 2.Rg8#
- 2.Qg7#
- 1...Kxh7!
- 1...Bh3
- 1.Bd8?
- 1...Bh3
- 2.Bf6#
- 2.Rg8#
- 2.Qg7#
- 1...Ba4
- 2.Bf6#
- 2.Rg8#
- 2.Qg7#
- 1...Bg4
- 2.Bf6#
- 1...Bb5
- 2.Bf6#
- 2.Rg8#
- 2.Qg7#
- 1...Bf5
- 2.Bf6#
- 2.Rg8#
- 2.Qg7#
- 1...Bc6
- 2.Bf6#
- 2.Rg8#
- 2.Qg7#
- 1...Be6
- 2.Bf6#
- 2.Qg7#
- 1...Bc8
- 2.Bf6#
- 2.Rg8#
- 2.Qg7#
- 1...Be8
- 2.Bf6#
- 2.Rg8#
- 2.Qg7#
- 1...Kxh7!
- 1...Bh3
- 1.Rg2?
- 1...Bg4
- 2.Be5#
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7!
- 1...Bg4
- 1.Rg3?
- 1...Bg4
- 2.Be5#
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7!
- 1...Bg4
- 1.Rg5?
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bg4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7!
- 1...Bh3
- 1.Rg6?
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bg4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7!
- 1...Bh3
- 1.Qh1?
- threat
- 2.Be5#
- 2.Rg8#
- 1...Bg4
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bh3!
- threat
- 1.Qg2?
- threat
- 2.Qg7#
- 2.Qg8#
- 1...Kxh7
- 2.Qg7#
- 1...Be6
- 2.Qg7#
- 1...Bg4!
- threat
- 1.Qe4?
- threat
- 2.Be5#
- 2.Rg8#
- 1...Bg4
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bf5!
- threat
- 1.Qd5?
- threat
- 2.Qg8#
- 1...Kxh7
- 2.Qh5#
- 1...Be6!
- threat
- 1.Qb1?
- threat
- 2.Be5#
- 2.Rg8#
- 1...Bg4
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bf5!
- threat
- 1.Qa7?
- 1...Bg4
- 2.Be5#
- 1...Bh3
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7!
- 1...Bg4
- 1.Kb2?
- Keys
- 1.Rg4!
- 1...Kxh7
- 2.Qh1#
- 1...Bxg4
- 2.Be5#
- 1...Ba4
- 2.Be5#
- 1...Bb5
- 2.Be5#
- 1...Bf5
- 2.Be5#
- 1...Bc6
- 2.Be5#
- 1...Be6
- 2.Be5#
- 1...Bc8
- 2.Be5#
- 1...Be8
- 2.Be5#
- 1...Kxh7
- 1.Rg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(a);::B(D)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- K(B);S_FLIGHT
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- K(B);S_FLIGHT
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- K(B);S_FLIGHT
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- B(D);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a),XP(E)
- Try
- B(D);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a),XP(E)
- Try
- B(D);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a),XP(E)
- Try
- B(D);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a),XP(E)
- Try
- B(D);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a),XP(E)
- Try
- B(D);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,P_SPINB(a),XP(E)
- Try
- R(A);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- R(A);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- R(A);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- R(A);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(a);::B(D)
- Refutation
- B(a);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT,XP(E)::QAR1(C)
- B(a);::QAB1(C)
- Refutation
- B(a);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(a);::B(D)
- Refutation
- B(a);
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- K(b);OGATEB,P-FLIGHT,XP(E)::QAR2(C)
- Refutation
- B(a);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(a);::B(D)
- Refutation
- B(a);
- Try
- Q(C);
- Vars
- B(a);::B(D)
- Refutation
- K(b);P-FLIGHT,XP(E)
- Try
- Actual
- R(A);
- Vars
- K(b);OGATEB,P-FLIGHT,XP(E)::QAR(C)
- B(a);XR(A)::B(D)
- B(a);::B(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).