MESON Chess Problem Database
Problem Display
PID: 160728 (kq5Q/p1R5/2R5/7K/8/8/8/8 w - - 0 1)
Antipov, Viacheslav Pavlovich
Sa ogneupory, 1987
#2
4 + 3
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qe8+
- 2.Qxe8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qc8
- Tries
- 1.Kg4?
- 1...Qc8+
- 2.Qxc8#
- 1...Qg8+
- 2.Qxg8#
- 1...Qd8
- 2.Qxd8#
- 1...Qe8
- 2.Qxe8#
- 1...Qf8
- 2.Qxf8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8!
- 1...Qc8+
- 1.Kh4?
- 1...Qd8+
- 2.Qxd8#
- 1...Qc8
- 2.Qxc8#
- 1...Qe8
- 2.Qxe8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qd8+
- 1.Kg5?
- 1...Qd8+
- 2.Qxd8#
- 1...Qg8+
- 2.Qxg8#
- 1...Qc8
- 2.Qxc8#
- 1...Qe8
- 2.Qxe8#
- 1...Qf8
- 2.Qxf8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8!
- 1...Qd8+
- 1.Kg6?
- 1...Qe8+
- 2.Qxe8#
- 1...Qg8+
- 2.Qxg8#
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8!
- 1...Qe8+
- 1.Kh6?
- 1...Qf8+
- 2.Qxf8#
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qe8
- 2.Qxe8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qf8+
- 1.Ra6?
- threat
- 2.Raxa7#
- 2.Rcxa7#
- 1...Qe8+
- 2.Qxe8#
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...Qxh8+!
- threat
- 1.Rd6?
- 1...Qe8+
- 2.Qxe8#
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Rxd8#
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qe8+
- 1.Re6?
- 1...Qe8+
- 2.Rxe8#
- 2.Qxe8#
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qe8+
- 1.Rf6?
- 1...Qe8+
- 2.Qxe8#
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Rxf8#
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qe8+
- 1.Rg6?
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qe8
- 2.Qxe8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Rxg8#
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qc8
- 1.Rd7?
- 1...Qe8+
- 2.Qxe8#
- 1...Qc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qe8+
- 1.Re7?
- 1...Qe8+
- 2.Qxe8#
- 1...Qc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qe8+
- 1.Rf7?
- 1...Qc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qe8
- 2.Qxe8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qc8
- 1.Rg7?
- 1...Qe8+
- 2.Qxe8#
- 1...Qc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8+!
- 1...Qe8+
- 1.Rh7?
- 1...Qe8+
- 2.Qxe8#
- 1...Qc8
- 2.Rxc8#
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxh8!
- 1...Qe8+
- 1.Qc8?
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxc8!
- 1...a5
- 1.Qd8?
- 1...Qc8
- 2.Qxc8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxd8!
- 1...Qc8
- 1.Qe8?
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxe8+!
- 1...Qc8
- 1.Qf8?
- 1...Qe8+
- 2.Qxe8#
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxf8!
- 1...Qe8+
- 1.Qg8?
- 1...Qe8+
- 2.Qxe8#
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qxg8!
- 1...Qe8+
- 1.Kg4?
- Keys
- 1.Rh6!
- 1...Qe8+
- 2.Qxe8#
- 1...Qxh8
- 2.Rxh8#
- 1...Qc8
- 2.Qxc8#
- 1...Qd8
- 2.Qxd8#
- 1...Qf8
- 2.Qxf8#
- 1...Qg8
- 2.Qxg8#
- 1...a5
- 2.Ra6#
- 1...a6
- 2.Rxa6#
- 1...Qe8+
- 1.Rh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- Q(c);CHECK,OGATEB::QAR2(D),XQ(c)
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);N_SPINQ(c),XQ(D)
- Try
- K(A);P-FLIGHT
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- K(A);P-FLIGHT
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);N_SPINQ(c),XQ(D)
- Try
- K(A);S_FLIGHT
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);N_SPINQ(c),XQ(D)
- Try
- K(A);P-FLIGHT
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(B);P_PINP(a)
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(B);
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(B);
- Vars
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(B);
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(B);
- Vars
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB,P_PINR(B)::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(C);
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(C);
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(C);
- Vars
- Q(c);OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB,P_PINR(C)::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(C);
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- R(C);
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);N_SPINQ(c),P_PINR(C),XQ(D)
- Try
- Q(D);
- Vars
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);N_SPINQ(c),XQ(D)
- Try
- Q(D);
- Vars
- Q(c);OGATEB::QAR2(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);N_SPINQ(c),XQ(D)
- Try
- Q(D);
- Vars
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);CHECK,N_SPINQ(c),XQ(D)
- Try
- Q(D);
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);N_SPINQ(c),XQ(D)
- Try
- Q(D);
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),XP(a)
- Refutation
- Q(c);N_SPINQ(c),XQ(D)
- Try
- Actual
- R(B);
- Vars
- Q(c);CHECK,OGATEB::QAR(D),XQ(c)
- Q(c);N_SPINQ(c),OGATE,P_PINR(B),XQ(D)::R(B),XQ(c)
- Q(c);OGATEB::QAR2(D),XQ(c)
- Q(c);OGATEB::QAR(D),XQ(c)
- P(a);OGATEB::R(B)
- P(a);OGATEB::R(B),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).