MESON Chess Problem Database
Problem Display
PID: 36239 (r2k2r1/6N1/P2P4/7Q/3p2B1/1R3R2/3b2n1/7K w - - 0 1)
Rukhlis, Efim Naumovich
HM., Schach, 1976
#2
8 + 6
| 3771 | FIDE Album (1974-1976) | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Rxa6
- 2.Rb8#
- 1...Ra7
- 2.Rb8#
- 1...Rb8
- 2.Rxb8#
- 1...Rxg7
- 2.Rf8#
- 1...Re8
- 2.Qxe8#
- 1...Rf8
- 2.Rxf8#
- 1...Rh8
- 2.Qxh8#
- 1...Bc1
- 2.Qa5#
- 1...Be1
- 2.Qg5#
- 1...Bc3
- 2.Qg5#
- 1...Be3
- 2.Qa5#
- 1...Bb4
- 2.Qg5#
- 1...Bf4
- 2.Qa5#
- 1...Ba5
- 2.Qxa5#
- 2.Qg5#
- 1...Bg5
- 2.Qxg5#
- 1...Bh6
- 2.Qa5#
- 1...Se3
- 2.Qh4#
- 2.Qg5#
- 1...Sf4
- 2.Qh4#
- 2.Qg5#
- 1...Rxa6
- Tries
- 1.Rbc3?
- threat
- 2.Qa5#
- 1...Rxa6
- 2.Rc8#
- 1...Rxg7
- 2.Rf8#
- 1...Bxc3
- 2.Qg5#
- 1...Rc8
- 2.Rxc8#
- 1...Ra7
- 2.Rc8#
- 1...Rh8
- 2.Qxh8#
- 1...Bg5
- 2.Qxg5#
- 1...Rb8!
- threat
- 1.Rbe3?
- threat
- 2.Qg5#
- 1...Rxg7
- 2.Re8#
- 2.Rf8#
- 2.Qe8#
- 1...Bxe3
- 2.Qa5#
- 1...Re8
- 2.Rxe8#
- 2.Qxe8#
- 1...Rf8
- 2.Rxf8#
- 1...Rh8
- 2.Qxh8#
- 1...Ra7!
- threat
- 1.Rb4?
- threat
- 2.Qa5#
- 1...Rxa6
- 2.Rb8#
- 1...Rxg7
- 2.Rf8#
- 1...Bxb4
- 2.Qg5#
- 1...Ra7
- 2.Rb8#
- 1...Rb8
- 2.Rxb8#
- 1...Rh8
- 2.Qxh8#
- 1...Bg5
- 2.Qxg5#
- 1...Rc8!
- threat
- 1.Rfc3?
- threat
- 2.Qa5#
- 1...Rxa6
- 2.Rb8#
- 2.Rc8#
- 1...Bxc3
- 2.Qg5#
- 1...Rc8
- 2.Rxc8#
- 1...Ra7
- 2.Rb8#
- 2.Rc8#
- 1...Rb8
- 2.Rxb8#
- 1...Rh8
- 2.Qxh8#
- 1...Bg5
- 2.Qxg5#
- 1...Rxg7!
- threat
- 1.Rfe3?
- threat
- 2.Qg5#
- 1...Rxg7
- 2.Re8#
- 2.Qe8#
- 1...Bxe3
- 2.Qa5#
- 1...Ra7
- 2.Rb8#
- 1...Re8
- 2.Rxe8#
- 2.Qxe8#
- 1...Rh8
- 2.Qxh8#
- 1...Rf8!
- threat
- 1.Qg6?
- threat
- 2.Qf6#
- 1...Rxg7
- 2.Rf8#
- 1...Ra7
- 2.Rb8#
- 1...Re8
- 2.Qxe8#
- 1...Rf8
- 2.Rxf8#
- 1...Bg5
- 2.Qxg5#
- 1...Rh8+!
- threat
- 1.Qf7?
- threat
- 2.Qxg8#
- 2.Qf6#
- 2.Qc7#
- 2.Qd7#
- 2.Qe7#
- 1...Rxg7
- 2.Qf8#
- 1...Rc8
- 2.Se6#
- 2.Qxg8#
- 2.Qf6#
- 2.Qd7#
- 2.Qe7#
- 1...Ra7
- 2.Rb8#
- 2.Qxg8#
- 1...Re8
- 2.Qxe8#
- 2.Qc7#
- 2.Qd7#
- 1...Rf8
- 2.Qc7#
- 2.Qd7#
- 2.Qe7#
- 2.Qxf8#
- 1...Ba5
- 2.Qxg8#
- 2.Qf6#
- 2.Qd7#
- 2.Qe7#
- 1...Bg5
- 2.Qxg8#
- 2.Qc7#
- 2.Qd7#
- 1...Rh8+!
- threat
- 1.Qh4+?
- 1...Bg5
- 2.Qxg5#
- 1...Sxh4!
- 1...Bg5
- 1.Qb5?
- threat
- 2.Qd7#
- 2.Qb6#
- 1...Rxa6
- 2.Qd7#
- 2.Qb8#
- 1...Rxg7
- 2.Rf8#
- 1...Rc8
- 2.Se6#
- 2.Qd7#
- 1...Ra7
- 2.Qb8#
- 1...Rb8
- 2.Qd7#
- 2.Qxb8#
- 1...Ba5
- 2.Qd7#
- 2.Qxa5#
- 2.Qg5#
- 1...Rh8+!
- threat
- 1.Qc5?
- threat
- 2.Qb6#
- 2.Qc7#
- 1...Rxa6
- 2.Rb8#
- 2.Qc7#
- 2.Qc8#
- 1...Rxg7
- 2.Rf8#
- 1...Rc8
- 2.Qxc8#
- 1...Ra7
- 2.Rb8#
- 2.Qc8#
- 1...Rb8
- 2.Rxb8#
- 2.Qc7#
- 1...Ba5
- 2.Qxa5#
- 2.Qg5#
- 1...Rh8+!
- threat
- 1.Qd5?
- threat
- 2.Qxa8#
- 2.Qxg8#
- 1...Rxa6
- 2.Rb8#
- 2.Qxg8#
- 1...Rxg7
- 2.Rf8#
- 2.Qxa8#
- 1...Rc8
- 2.Qxg8#
- 1...Ra7
- 2.Rb8#
- 2.Qxg8#
- 1...Rb8
- 2.Rxb8#
- 2.Qxg8#
- 1...Re8
- 2.Qxa8#
- 1...Rf8
- 2.Rxf8#
- 2.Qxa8#
- 1...Rh8+!
- threat
- 1.Qe5?
- threat
- 2.Qf6#
- 2.Qe7#
- 1...Rxg7
- 2.Rf8#
- 1...Ra7
- 2.Rb8#
- 1...Re8
- 2.Qxe8#
- 1...Rf8
- 2.Rxf8#
- 2.Qe7#
- 1...Bg5
- 2.Qa5#
- 2.Qxg5#
- 1...Rh8+!
- threat
- 1.Qf5?
- threat
- 2.Qd7#
- 2.Qf6#
- 1...Rxg7
- 2.Qf8#
- 1...Ra7
- 2.Rb8#
- 2.Qc8#
- 1...Re8
- 2.Qd7#
- 1...Rf8
- 2.Qd7#
- 2.Qxf8#
- 1...Bg5
- 2.Qd7#
- 2.Qa5#
- 2.Qxg5#
- 1...Rh8+!
- threat
- 1.Qh7?
- threat
- 2.Qxg8#
- 1...Rxg7
- 2.Rf8#
- 1...Rf8
- 2.Rxf8#
- 1...Rh8
- 2.Qxh8#
- 1...Re8!
- threat
- 1.Qh8?
- threat
- 2.Qxg8#
- 1...Re8
- 2.Qxe8#
- 1...Rf8
- 2.Rxf8#
- 2.Qxf8#
- 1...Rxh8+!
- threat
- 1.Rbc3?
- Keys
- 1.Rf4!
- threat
- 2.Qg5#
- 1...Rxg7
- 2.Rf8#
- 1...Bxf4
- 2.Qa5#
- 1...Ra7
- 2.Rb8#
- 1...Re8
- 2.Qxe8#
- 1...Rf8
- 2.Rxf8#
- 1...Rh8
- 2.Qxh8#
- threat
- 1.Rf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- R(d);N_GUARD,XP(F)::R(B)
- R(d);N_GUARD::R(B)
- R(d);N_GUARD::R(B),XR(d)
- R(f);N_GUARD,XS(H)::R(C)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::R(C),XR(f)
- R(f);OGATEB,P_PINQ(E)::QAR(E),XR(f)
- B(a);N_GUARD::QAB(E)
- B(a);N_GUARD::QAB(E),XB(a)
- Tries
- Try
- R(B);
- Threat
- QAB(E)
- Vars
- R(d);N_GUARD,XP(F)::R1(B)
- R(f);N_GUARD,XS(H)::R(C)
- B(a);N_GUARD,XR(B)::QAB(E)
- R(d);N_GUARD::R1(B),XR(d)
- R(d);N_GUARD::R1(B)
- R(f);OGATEB,P_PINQ(E)::QAR(E),XR(f)
- B(a);N_GUARD::QAB(E),XB(a)
- Refutation
- R(d);
- Try
- R(B);
- Threat
- QAB(E)
- Vars
- B(a);N_GUARD,XR(B)::QAB(E)
- R(f);N_GUARD::R(C),XR(f)
- R(f);OGATEB,P_PINQ(E)::QAR(E),XR(f)
- Refutation
- R(d);
- Try
- R(B);
- Threat
- QAB(E)
- Vars
- R(d);N_GUARD,XP(F)::R(B)
- R(f);N_GUARD,XS(H)::R(C)
- B(a);N_GUARD,XR(B)::QAB(E)
- R(d);N_GUARD::R(B)
- R(d);N_GUARD::R(B),XR(d)
- R(f);OGATEB,P_PINQ(E)::QAR(E),XR(f)
- B(a);N_GUARD::QAB(E),XB(a)
- Refutation
- R(d);
- Try
- R(C);
- Threat
- QAB(E)
- Vars
- B(a);N_GUARD,XR(C)::QAB(E)
- R(d);N_GUARD::R1(C),XR(d)
- R(d);N_GUARD::R(B),XR(d)
- R(f);OGATEB,P_PINQ(E)::QAR(E),XR(f)
- B(a);N_GUARD::QAB(E),XB(a)
- Refutation
- R(f);XS(H)
- Try
- R(C);
- Threat
- QAB(E)
- Vars
- B(a);N_GUARD,XR(C)::QAB(E)
- R(d);N_GUARD::R(B)
- R(f);OGATEB,P_PINQ(E)::QAR(E),XR(f)
- Refutation
- R(f);
- Try
- Q(E);
- Threat
- QAB(E)
- Vars
- R(f);N_GUARD,XS(H)::R(C)
- R(d);N_GUARD::R(B)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::R(C),XR(f)
- B(a);N_GUARD::QAB(E),XB(a)
- Refutation
- R(f);CHECK
- Try
- Q(E);
- Threat
- DUALS(5)
- Vars
- R(f);N_GUARD,XS(H)::QAR2(E)
- Refutation
- R(f);CHECK
- Try
- Q(E);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB(E),XB(a)
- Refutation
- S(b);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD,XS(H)::R(C)
- R(d);N_GUARD::QAR2(E)
- Refutation
- R(f);CHECK
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD,XS(H)::R(C)
- R(d);N_GUARD::QAR1(E),XR(d)
- Refutation
- R(f);CHECK
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(d);::QAR(E),XR(f)
- R(f);::QAR(E),XR(d)
- Refutation
- R(f);CHECK
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD,XS(H)::R(C)
- R(d);N_GUARD::R(B)
- R(f);N_GUARD::QAR1(E),XR(f)
- Refutation
- R(f);CHECK
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD,XS(H)::QAR2(E)
- R(f);::QAR1(E)
- Refutation
- R(f);CHECK
- Try
- Q(E);
- Threat
- QAR(E),XR(f)
- Vars
- R(f);N_GUARD,XS(H)::R(C)
- R(f);N_GUARD::R(C),XR(f)
- R(f);OGATEB,P_PINQ(E)::QAR(E),XR(f)
- Refutation
- R(f);
- Try
- Q(E);P_PINR(f)
- Threat
- QAR(E),XR(f)
- Vars
- R(f);OGATE::QAR1(E),XR(f)
- Refutation
- R(f);CHECK,N_SPINR(f),XQ(E)
- Try
- Actual
- R(C);
- Threat
- QAB(E)
- Vars
- R(f);N_GUARD,XS(H)::R(C)
- B(a);N_GUARD,XR(C)::QAB(E)
- R(d);N_GUARD::R(B)
- R(f);N_GUARD::QAR1(E),XR(f)
- R(f);N_GUARD::R(C),XR(f)
- R(f);OGATEB,P_PINQ(E)::QAR(E),XR(f)
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).