MESON Chess Problem Database
Problem Display
PID: 106186 (KB6/2RP2pN/2B5/p2rkPQ1/P1bRrpP1/1p3p2/1N3P2/8 w - - 0 1)
Kovacik, Jozef
Praca, 1955
#2
13 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qxf4#
- 1...Re2
- 2.Qxf4#
- 1...Re3
- 2.Qxf4#
- 1...Rexd4
- 2.Qe7#
- 1...Rb5
- 2.Qxg7#
- 1...Rc5
- 2.Qxg7#
- 1...Rd6
- 2.Rxe4#
- 1...Rxd7
- 2.Rcxd7#
- 1...Bf1
- 2.Rxd5#
- 1...Be2
- 2.Rxd5#
- 1...Bd3
- 2.Rxd5#
- 1...Bb5
- 2.Rxd5#
- 1...Ba6
- 2.Rxd5#
- 1...g6
- 2.Qf6#
- 1...Re1
- Tries
- 1.Sd3+?
- 1...Kd6
- 2.Rc8#
- 2.d8Q#
- 2.d8R#
- 1...Bxd3
- 2.Rxd5#
- 1...Kxd4!
- 1...Kd6
- 1.Rxc4?
- threat
- 2.Qe7#
- 1...Kd6
- 2.Ra7#
- 2.Rb7#
- 2.Rc8#
- 1...Rxd7
- 2.Rxd7#
- 1...Rd6
- 2.Rxe4#
- 1...Rxc4!
- threat
- 1.Rxe4+?
- 1...Kd6
- 2.Qe7#
- 1...Kxe4!
- 1...Kd6
- 1.Ra7+?
- 1...Rd6
- 2.Rxe4#
- 2.Qxg7#
- 1...Kxd4!
- 1...Rd6
- 1.Rb7+?
- 1...Rd6
- 2.Rxe4#
- 2.Qxg7#
- 1...Kxd4!
- 1...Rd6
- 1.Rc8+?
- 1...Rd6
- 2.Rxe4#
- 2.Qxg7#
- 1...Kxd4!
- 1...Rd6
- 1.d8Q?
- threat
- 2.Qxg7#
- 1...Rexd4
- 2.Re7#
- 2.Qge7#
- 2.Qde7#
- 1...Rd6
- 2.Rxe4#
- 2.Qxd6#
- 1...Rd7
- 2.Rcxd7#
- 1...g6
- 2.Qgf6#
- 2.Qdf6#
- 1...Kxd4!
- threat
- 1.d8R?
- threat
- 2.Qxg7#
- 1...Rexd4
- 2.Re7#
- 2.Qe7#
- 1...Rd6
- 2.Rxe4#
- 1...Rd7
- 2.Rc7xd7#
- 1...g6
- 2.Qf6#
- 1...Kxd4!
- threat
- 1.Sd3+?
- Keys
- 1.Bb7!
- 1...Kxd4
- 2.Rxc4#
- 1...Kd6
- 2.Sxc4#
- 1...Rexd4
- 2.Qe7#
- 1...Rdxd4
- 2.Rc5#
- 1...Rxd7
- 2.Rcxd7#
- 1...Re1
- 2.Qxf4#
- 1...Re2
- 2.Qxf4#
- 1...Re3
- 2.Qxf4#
- 1...Rb5
- 2.Rcxc4#
- 2.Qxg7#
- 1...Rc5
- 2.Qxg7#
- 1...Rd6
- 2.Rxe4#
- 1...Bf1
- 2.Rxd5#
- 1...Be2
- 2.Rxd5#
- 1...Bd3
- 2.Rxd5#
- 1...Bb5
- 2.Rxd5#
- 1...Ba6
- 2.Rxd5#
- 1...g6
- 2.Qf6#
- 1...Kxd4
- 1.Bb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(d);N_GUARD::QAB1(G),XP(e)
- R(d);SBLOCK,XR(D)::QAR2(G)
- R(g);::QAB(G),XP(i)
- R(g);SBLOCK::R1(D),XR(d)
- R(g);OGATE,XP(J)::B(M)+R(I),XR(g)
- B(c);N_GUARD::R1(D),XR(g)
- P(i);N_GUARD::QAB1(G)
- Tries
- Try
- S(A);CHECK
- Vars
- B(c);XS(A)::R1(D),XR(g)
- Refutation
- K(h);S_FLIGHT,XR(D)
- Try
- R(D);XB(c)
- Threat
- QAR2(G)
- Vars
- R(g);OGATE,XP(J)::B(M)+R(I),XR(g)
- R(g);SBLOCK::R1(D),XR(d)
- Refutation
- R(d);XR(D)
- Try
- R(D);CHECK,XR(d)
- Vars
- K(h);S_FLIGHT::QAB1(G)
- Refutation
- K(h);P-FLIGHT,P_SPINR(g),XR(D)
- Try
- R(I);CHECK
- Refutation
- K(h);S_FLIGHT,XR(D)
- Try
- R(I);CHECK
- Refutation
- K(h);S_FLIGHT,XR(D)
- Try
- R(I);CHECK
- Refutation
- K(h);S_FLIGHT,XR(D)
- Try
- P(J);
- Threat
- QAB(G),XP(i)
- Vars
- R(g);N_GUARD::B(M)+R(I),XR(g)
- Refutation
- K(h);P_SPINR(g),S_FLIGHT,XR(D)
- Try
- P(J);
- Threat
- QAB(G),XP(i)
- Vars
- R(g);::R1(D),XR(d)
- R(g);N_GUARD::B(M)+R(I),XR(g)
- P(i);N_GUARD::QAB1(G)
- Refutation
- K(h);P_SPINR(g),S_FLIGHT,XR(D)
- Try
- Actual
- B(H);
- Vars
- K(h);S_FLIGHT,XR(D)::R1(I),XB(c)
- K(h);P_SPINR(g),S_FLIGHT::S(A),XB(c)
- R(d);SBLOCK,XR(D)::QAR2(G)
- R(g);SBLOCK,XR(D)::B(M)+R(I),DCHECK
- R(g);OGATE,XP(J)::B(M)+R(I),XR(g)
- R(d);N_GUARD::QAB1(G),XP(e)
- R(g);::QAB(G),XP(i)
- R(g);SBLOCK::R1(D),XR(d)
- B(c);N_GUARD::R1(D),XR(g)
- P(i);N_GUARD::QAB1(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).