MESON Chess Problem Database
Problem Display
PID: 287423 (8/8/7K/5kp1/2BPRp2/2Q3P1/8/8 w - - 0 1)
Zheltukhov, Viktor Ivanovich
Problem Paradise, 2019
#2
6 + 3
| 15601 | Albrecht-Leiss-Degener Collection | 2026 |
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Qd3#
- 1...Kg4
- 2.Be6#
- 1...fxg3
- 2.Qf3#
- 1...f3
- 2.Qxf3#
- 1...g4
- 2.Rxf4#
- 1...Kxe4
- Tries
- 1.Kh5?
- 1...Kxe4
- 2.Qd3#
- 1...fxg3
- 2.Qf3#
- 1...f3
- 2.Qxf3#
- 1...g4
- 2.Rxf4#
- 1...Kf6!
- 1...Kxe4
- 1.Kg7?
- 1...Kxe4
- 2.Qd3#
- 1...fxg3
- 2.Qf3#
- 1...f3
- 2.Qxf3#
- 1...g4
- 2.Re5#
- 1...Kg4!
- 1...Kxe4
- 1.Bd5?
- 1...Kg4
- 2.Be6#
- 1...fxg3
- 2.Qf3#
- 1...f3
- 2.Qxf3#
- 1...g4
- 2.Rxf4#
- 1...Kf6!
- 1...Kg4
- 1.Re5+?
- 1...Kg4
- 2.Be6#
- 1...Kf6!
- 1...Kg4
- 1.Re6?
- 1...fxg3
- 2.Qf3#
- 1...g4
- 2.Qa5#
- 2.Qc2#
- 2.Qd3#
- 1...f3
- 2.Qxf3#
- 1...Kg4!
- 1...fxg3
- 1.Re7?
- 1...Kg4
- 2.Be6#
- 1...Kf6
- 2.Rf7#
- 1...fxg3
- 2.Qf3#
- 1...f3
- 2.Qxf3#
- 1...g4!
- 1...Kg4
- 1.Qb3?
- 1...Kxe4
- 2.Qd3#
- 1...Kg4
- 2.Be6#
- 1...fxg3
- 2.Qf3#
- 1...g4
- 2.Rxf4#
- 1...f3
- 2.Qxf3#
- 1...Kf6!
- 1...Kxe4
- 1.Qd3?
- threat
- 2.Rxf4#
- 1...Kg4
- 2.Be6#
- 1...fxg3
- 2.Qf3#
- 1...f3
- 2.Rf4#
- 2.Qxf3#
- 1...Kf6!
- threat
- 1.Qf3?
- 1...g4
- 2.Rxf4#
- 2.Qxf4#
- 1...Kf6!
- 1...g4
- 1.Kh5?
- Keys
- 1.Qa3!
- 1...Kxe4
- 2.Qd3#
- 1...Kg4
- 2.Be6#
- 1...Kf6
- 2.Qf8#
- 1...fxg3
- 2.Qf3#
- 1...g4
- 2.Rxf4#
- 1...f3
- 2.Qxf3#
- 1...Kxe4
- 1.Qa3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,S_FLIGHT,XR(E)::QAB1(A)
- K(b);N_GUARD,P_SPINP(a),S_FLIGHT::B(C)
- P(a);OGATEB,XP(B)::QAR2(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);N_GUARD::R1(E),XP(a)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- K(b);OGATEB,S_FLIGHT,XR(E)::QAB1(A)
- P(a);OGATEB,XP(B)::QAR2(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);N_GUARD::R1(E),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- K(F);S_FLIGHT
- Vars
- K(b);OGATEB,S_FLIGHT,XR(E)::QAB1(A)
- P(a);OGATEB,XP(B)::QAR2(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);SBLOCK::R1(E)
- Refutation
- K(b);P_SPINP(a),S_FLIGHT
- Try
- B(C);
- Vars
- K(b);N_GUARD,P_SPINP(a),S_FLIGHT::B(C)
- P(a);OGATEB,XP(B)::QAR2(A)
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);N_GUARD::R1(E),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- R(E);CHECK
- Vars
- K(b);N_GUARD,S_FLIGHT::B(C)
- Refutation
- K(b);P-FLIGHT
- Try
- R(E);
- Vars
- P(a);OGATEB,XP(B)::QAR2(A)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- K(b);S_FLIGHT
- Try
- R(E);
- Vars
- K(b);N_GUARD,S_FLIGHT::B(C)
- K(b);N_GUARD,P-FLIGHT::R1(E)
- P(a);OGATEB,XP(B)::QAR2(A)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- K(b);OGATEB,S_FLIGHT,XR(E)::QAB1(A)
- K(b);N_GUARD,P_SPINP(a),S_FLIGHT::B(C)
- P(a);OGATEB,XP(B)::QAR2(A)
- P(c);N_GUARD::R1(E),XP(a)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Threat
- QAB(A)+R(E),DCHECK,XP(a)
- Vars
- K(b);N_GUARD,P_SPINP(a),S_FLIGHT::B(C)
- P(a);OGATEB,XP(B)::QAR2(A)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);P_PINP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(A);
- Vars
- K(b);OGATEB,S_FLIGHT,XR(E)::QAB1(A)
- K(b);N_GUARD,P_SPINP(a),S_FLIGHT::B(C)
- K(b);N_GUARD,P-FLIGHT::QAR2(A)
- P(a);OGATEB,XP(B)::QAR2(A)
- P(c);N_GUARD::R1(E),XP(a)
- P(a);OGATEB::QAR2(A),XP(a)
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).