MESON Chess Problem Database
Problem Display
PID: 37722 (4R3/4B3/4N1PK/1Qp1k1pR/2pN4/2P2r1P/8/7B w - - 0 1)
Kopaev, Viacheslav Georgievich
1st Place, USSR, 1973
#2
11 + 5
| 3753 | FIDE Album (1971-1973) | 1978 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Qxc5#
- 2.Qb8#
- 1...Rf2
- 2.Qxc5#
- 2.Qb8#
- 1...Rxc3
- 2.Rxg5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rd3
- 2.Rxg5#
- 2.Qxc5#
- 2.Qb8#
- 1...Re3
- 2.Rxg5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rg3
- 2.Qxc5#
- 2.Qb8#
- 1...Rxh3
- 2.Qxc5#
- 2.Qb8#
- 1...Rf4
- 2.Qxc5#
- 2.Qb8#
- 1...Rf5
- 2.Qxc5#
- 2.Qb8#
- 1...Rf6
- 2.Qxc5#
- 2.Qb8#
- 1...Rf7
- 2.Qxc5#
- 2.Qb8#
- 1...Rf8
- 2.Qxc5#
- 2.Qb8#
- 1...Rf1
- Tries
- 1.Sf4?
- 1...Ke4
- 2.Bxg5#
- 2.Bd6#
- 1...Kxf4
- 2.Bd6#
- 1...Rxh3
- 2.Qb8#
- 1...Rxf4
- 2.Qxc5#
- 2.Qb8#
- 1...Rf1
- 2.Qb8#
- 1...Rf2
- 2.Qb8#
- 1...Rd3
- 2.Qb8#
- 1...Re3
- 2.Qb8#
- 1...Rg3
- 2.Qb8#
- 1...Rxc3!
- 1...Ke4
- 1.Sxg5?
- 1...Kf4
- 2.Bd6#
- 1...Kd5
- 2.Qxc5#
- 1...Rxc3
- 2.Sge6#
- 1...Rxh3
- 2.Sxh3#
- 2.Qb8#
- 1...Rf1
- 2.Qb8#
- 1...Rf2
- 2.Qb8#
- 1...Rd3
- 2.Sge6#
- 2.Qb8#
- 1...Re3
- 2.Sge6#
- 2.Qb8#
- 1...Rg3
- 2.Qb8#
- 1...Rf4
- 2.Sf7#
- 2.Qxc5#
- 2.Qb8#
- 1...Rf5
- 2.Qb8#
- 1...Rf7
- 2.Qb8#
- 1...Rf8
- 2.Qb8#
- 1...Rf6!
- 1...Kf4
- 1.Bxc5?
- 1...Kd5
- 2.Sf4#
- 2.Sc7#
- 1...Kf6
- 2.Be7#
- 1...Rxc3
- 2.Be7#
- 1...Rxh3
- 2.Be7#
- 1...Rf1
- 2.Be7#
- 1...Rf2
- 2.Be7#
- 1...Rd3
- 2.Be7#
- 1...Re3
- 2.Be7#
- 1...Rg3
- 2.Be7#
- 1...Rf4
- 2.Be7#
- 1...Rf5
- 2.Be7#
- 1...Rf6
- 2.Ba3#
- 2.Bb4#
- 2.Be7#
- 2.Bf8#
- 2.Qb8#
- 1...Rf7
- 2.Be7#
- 1...Rf8
- 2.Be7#
- 1...Ke4!
- 1...Kd5
- 1.Bxg5?
- 1...Ke4
- 2.Sf4#
- 1...Kd6
- 2.Be7#
- 1...Rxc3
- 2.Be7#
- 2.Qxc5#
- 2.Qb8#
- 1...Rxh3
- 2.Qxc5#
- 2.Qb8#
- 1...Rf1
- 2.Qxc5#
- 2.Qb8#
- 1...Rf2
- 2.Qxc5#
- 2.Qb8#
- 1...Rd3
- 2.Be7#
- 2.Qxc5#
- 2.Qb8#
- 1...Re3
- 2.Be7#
- 2.Qxc5#
- 2.Qb8#
- 1...Rg3
- 2.Qxc5#
- 2.Qb8#
- 1...Rf4
- 2.Qxc5#
- 2.Qb8#
- 1...Rf5
- 2.Qxc5#
- 2.Qb8#
- 1...Rf6
- 2.Bf4#
- 2.Qxc5#
- 2.Qb8#
- 1...Rf7
- 2.Qxc5#
- 1...Rf8
- 2.Qxc5#
- 2.Qb8#
- 1...Kd5!
- 1...Ke4
- 1.Bd6+?
- 1...Ke4
- 2.Sf4#
- 1...Kd5
- 2.Qc6#
- 1...Kf6
- 2.Rf8#
- 1...Kxd6!
- 1...Ke4
- 1.Rxg5+?
- 1...Rf5
- 2.Rxf5#
- 2.Qxc5#
- 2.Qb8#
- 1...Ke4!
- 1...Rf5
- 1.Rd8?
- 1...Rxc3
- 2.Rxg5#
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rxh3
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rf1
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rf2
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rd3
- 2.Rxg5#
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Re3
- 2.Rxg5#
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rg3
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rf4
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rf5
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rf6
- 2.Bd6#
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rf7
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Rf8
- 2.Rd5#
- 2.Qxc5#
- 2.Qb8#
- 1...Ke4!
- 1...Rxc3
- 1.Qc6?
- 1...Rxc3
- 2.Rxg5#
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rxh3
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rf1
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rf2
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rd3
- 2.Rxg5#
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Re3
- 2.Rxg5#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rg3
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rf4
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rf5
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rf6
- 2.Bd6#
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rf7
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...Rf8
- 2.Qe4#
- 2.Qd5#
- 2.Qxc5#
- 2.Qd6#
- 2.Qc7#
- 1...cxd4!
- 1...Rxc3
- 1.Qb1?
- 1...Kd5
- 2.Rxg5#
- 2.Qf5#
- 1...Rxc3
- 2.Rxg5#
- 2.Qe4#
- 2.Qf5#
- 2.Qb8#
- 1...Rxh3
- 2.Qe4#
- 2.Qf5#
- 2.Qb8#
- 1...Rf1
- 2.Qe4#
- 2.Qb8#
- 1...Rf2
- 2.Qe4#
- 2.Qb8#
- 1...Rd3
- 2.Rxg5#
- 2.Qb8#
- 1...Re3
- 2.Rxg5#
- 2.Qf5#
- 2.Qb8#
- 1...Rg3
- 2.Qe4#
- 2.Qf5#
- 2.Qb8#
- 1...Rf4
- 2.Qb8#
- 1...Rf5
- 2.Qe4#
- 2.Qxf5#
- 2.Qe1#
- 2.Qb8#
- 1...Rf6
- 2.Qe4#
- 2.Qe1#
- 2.Qb8#
- 1...Rf7
- 2.Qe4#
- 2.Qe1#
- 2.Qb8#
- 1...Rf8
- 2.Qe4#
- 2.Qe1#
- 2.Qb8#
- 1...cxd4!
- 1...Kd5
- 1.Qb7?
- 1...Rxc3
- 2.Rxg5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rxh3
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rf1
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rf2
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rd3
- 2.Rxg5#
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Re3
- 2.Rxg5#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rg3
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rf4
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rf5
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rf6
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rf7
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...Rf8
- 2.Qe4#
- 2.Qd5#
- 2.Qc7#
- 2.Qb8#
- 1...cxd4!
- 1...Rxc3
- 1.Qb8+?
- 1...Kd5
- 2.Bxf3#
- 1...Ke4!
- 1...Kd5
- 1.Sf4?
- Keys
- 1.Sxc5!
- 1...Kf4
- 2.Bd6#
- 1...Kd5
- 2.Rxg5#
- 1...Rxc3
- 2.Sce6#
- 1...Rxh3
- 2.Sd3#
- 2.Sce6#
- 2.Qb8#
- 1...Rf1
- 2.Sd3#
- 2.Sce6#
- 2.Qb8#
- 1...Rf2
- 2.Sd3#
- 2.Sce6#
- 2.Qb8#
- 1...Rd3
- 2.Sxd3#
- 2.Sce6#
- 2.Qb8#
- 1...Re3
- 2.Sd3#
- 2.Sce6#
- 2.Qb8#
- 1...Rg3
- 2.Sd3#
- 2.Sce6#
- 2.Qb8#
- 1...Rf4
- 2.Scb3#
- 2.Sd3#
- 2.Sa4#
- 2.Se4#
- 2.Sa6#
- 2.Sce6#
- 2.Sb7#
- 2.Sd7#
- 2.Qb8#
- 1...Rf5
- 2.Sd3#
- 2.Sce6#
- 2.Qb8#
- 1...Rf6
- 2.Sd3#
- 2.Sce6#
- 1...Rf7
- 2.Sd3#
- 2.Sce6#
- 2.Qb8#
- 1...Rf8
- 2.Sd3#
- 2.Sce6#
- 2.Qb8#
- 1...Kf4
- 1.Sxc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(G);
- Vars
- K(d);N_SPINP(c),S_FLIGHT,XS(G)::B(J)
- R(a);P_PINR(F),XP(C)::QAB(E)
- R(a);::QAB(E)
- Refutation
- R(a);XP(B)
- Try
- S(G);XP(e)
- Vars
- K(d);N_SPINP(c),S_FLIGHT::B(J)
- K(d);P-FLIGHT,P_SPINR(a)::QAR1(E),XP(c)
- R(a);N_GUARD,XP(B)::R(F)+S(G)
- R(a);::QAB(E)
- Refutation
- R(a);P_PINP(H)
- Try
- B(J);P_PINP(e),XP(c)
- Vars
- K(d);N_SPINP(e),S_FLIGHT::B(J)
- R(a);XP(B)::QAR(E)+B(J)
- R(a);P_PINR(F),XP(C)::QAR(E)+B(J)
- R(a);::QAR(E)+B(J)
- R(a);N_SPINP(e)::QAR(E)+B(J)
- Refutation
- K(d);N_SPINP(e),P-FLIGHT,P_SPINR(a)
- Try
- B(J);XP(e)
- Vars
- K(d);N_SPINP(c),P-FLIGHT,P_SPINR(a)::R(K)+S(G)
- K(d);N_SPINP(c),S_FLIGHT::B(J)
- R(a);::QAR2(E),XP(c)
- Refutation
- K(d);P-FLIGHT,P_SPINR(a)
- Try
- B(J);CHECK
- Vars
- K(d);N_SPINP(c),P-FLIGHT,P_SPINR(a)::R(K)+S(G)
- K(d);P-FLIGHT,P_SPINR(a)::QAB1(E)
- K(d);N_SPINP(c),S_FLIGHT::R(K)
- Refutation
- K(d);N_SPINP(c),S_FLIGHT,XB(J)
- Try
- R(F);CHECK,XP(e)
- Refutation
- K(d);N_SPINP(c),P-FLIGHT,P_SPINR(a)
- Try
- R(K);
- Refutation
- K(d);N_SPINP(c),P-FLIGHT,P_SPINR(a)
- Try
- Q(E);N_PINP(c),P_PINP(e)
- Refutation
- P(c);XS(D)
- Try
- Q(E);N_PINP(c),P_PINP(e)
- Vars
- R(a);::QAB(E)
- Refutation
- P(c);XS(D)
- Try
- Q(E);N_PINP(c),P_PINP(e)
- Refutation
- P(c);XS(D)
- Try
- Q(E);CHECK,N_PINP(c),P_PINP(e)
- Vars
- K(d);P-FLIGHT,P_SPINR(a)::B(A),XR(a)
- Refutation
- K(d);N_SPINP(e),P-FLIGHT,P_SPINR(a)
- Try
- Actual
- S(G);P_PINP(e),XP(c)
- Vars
- K(d);N_SPINP(e),S_FLIGHT::B(J)
- K(d);P-FLIGHT,P_SPINR(a)::R(F),XP(e)
- R(a);XP(B)::QAR(E)+S(G)
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).