MESON Chess Problem Database
Problem Display
PID: 169146 (1bQ5/1PpPrp1R/8/6RK/2B1k2N/4P3/3ppP2/2nr2N1 w - - 0 1)
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Sp. Comm., Liylu-75 JT (SuperProblem), 2016
#2
11 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Re8
- 2.Qxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Sd3
- 2.Bd5#
- 1...c5
- 2.Qc6#
- 1...c6
- 2.Qxc6#
- 1...f5
- 2.Rxe7#
- 1...f6
- 2.Rxe7#
- 1...Re8
- Tries
- 1.Sxe2?
- threat
- 2.Sc3#
- 2.Sg3#
- 1...f5
- 2.Rxe7#
- 1...Rg1
- 2.Sc3#
- 1...Sa2
- 2.Sg3#
- 1...c5
- 2.Sc3#
- 2.Qc6#
- 1...c6
- 2.Sc3#
- 2.Qxc6#
- 1...Sxe2!
- threat
- 1.Rxf7?
- threat
- 2.Rf4#
- 2.Rxe7#
- 1...Rxd7
- 2.Rf4#
- 1...Re5
- 2.Rf4#
- 1...Re6
- 2.Rf4#
- 1...Re8
- 2.Rf4#
- 2.Qxe8#
- 2.dxe8Q#
- 2.dxe8R#
- 1...Sd3
- 2.Bd5#
- 1...c5
- 2.Qc6#
- 1...c6
- 2.Qxc6#
- 1...Rxf7!
- threat
- 1.Qxc7?
- threat
- 2.Rg4#
- 2.Qc6#
- 1...Rxg1
- 2.Qc6#
- 1...Rxd7
- 2.Rg4#
- 2.Re5#
- 1...Re5
- 2.Rxe5#
- 1...Re6
- 2.Rg4#
- 1...Sd3
- 2.Bd5#
- 2.Qc6#
- 1...f5
- 2.Rxe7#
- 1...Bxc7!
- threat
- 1.Qh8?
- threat
- 2.Rg4#
- 2.Qd4#
- 1...Rxg1
- 2.Qd4#
- 1...Rxd7
- 2.Rg4#
- 2.Re5#
- 2.Qe5#
- 1...Re5
- 2.Rxe5#
- 2.Qxe5#
- 1...Ba7
- 2.Rg4#
- 1...Sb3
- 2.Rg4#
- 1...Sd3
- 2.Bd5#
- 2.Qd4#
- 1...c6
- 2.Qd4#
- 1...f5
- 2.Rxe7#
- 2.Qd4#
- 1...f6
- 2.Rxe7#
- 1...c5!
- threat
- 1.d8Q?
- threat
- 2.Qg4#
- 2.Qf5#
- 2.Qxe7#
- 2.Qd4#
- 2.Qd5#
- 1...Rxg1
- 2.Qf5#
- 2.Qxe7#
- 2.Qd4#
- 2.Qd5#
- 1...f5
- 2.Rxe7#
- 2.Qxf5#
- 2.Qxe7#
- 2.Qd4#
- 2.Qd5#
- 1...Re5
- 2.Qg4#
- 2.Qd4#
- 1...Re6
- 2.Qd4#
- 2.Qd5#
- 1...Re8
- 2.Qg4#
- 2.Qf5#
- 2.Qd4#
- 2.Qd5#
- 2.Qxe8#
- 1...Ba7
- 2.Qg4#
- 2.Qf5#
- 2.Qxe7#
- 2.Qd5#
- 1...Sb3
- 2.Bd3#
- 2.Qg4#
- 2.Qf5#
- 2.Qxe7#
- 2.Qd3#
- 2.Qd5#
- 1...Sd3
- 2.Bxd3#
- 2.Bd5#
- 2.Qf5#
- 2.Qxd3#
- 2.Qd4#
- 2.Qd5#
- 1...c5
- 2.Qf5#
- 2.Qc6#
- 2.Qd5#
- 1...c6
- 2.Qf5#
- 2.Qxc6#
- 2.Qd4#
- 1...Rd7!
- threat
- 1.d8R?
- threat
- 2.Rd4#
- 2.Qg4#
- 2.Qf5#
- 1...Rxg1
- 2.Rd4#
- 2.Qf5#
- 1...f5
- 2.Rxe7#
- 2.Qxf5#
- 1...Re6
- 2.Rd4#
- 1...Re5
- 2.Rd4#
- 2.Qg4#
- 1...Ba7
- 2.Qg4#
- 2.Qf5#
- 1...Sb3
- 2.Bd3#
- 2.Qg4#
- 2.Qf5#
- 1...Sd3
- 2.Bxd3#
- 2.Bd5#
- 2.Rd4#
- 2.Qf5#
- 1...c5
- 2.Qf5#
- 2.Qc6#
- 1...c6
- 2.Rd4#
- 2.Qf5#
- 2.Qxc6#
- 1...Rd7!
- threat
- 1.Sxe2?
- Keys
- 1.Sgf3!
- threat
- 2.Rg4#
- 1...Rg1
- 2.Sxd2#
- 1...Re5
- 2.Rxe5#
- 1...Sd3
- 2.Bd5#
- 1...c5
- 2.Qc6#
- 1...c6
- 2.Qxc6#
- 1...f5
- 2.Rxe7#
- threat
- 1.Sgf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(a);SBLOCK::B(D)
- P(f);OGATE::QAB(K)
- P(f);OGATE::QAB(K),XP(f)
- P(h);OGATE::R(J),XR(g)
- Tries
- Try
- S(A);XP(d)
- Threat
- DUALS(2)
- Vars
- P(h);OGATE::R(J),XR(g)
- R(b);::S(A)
- S(a);::S(A)
- Refutation
- S(a);XS(A)
- Try
- R(J);XP(h)
- Threat
- DUALS(2)
- Vars
- R(g);XP(I)::R1(J)
- R(g);P_PINR(F)::R1(J)
- R(g);::R1(J)
- S(a);SBLOCK::B(D)
- P(f);OGATE::QAB(K)
- P(f);OGATE::QAB(K),XP(f)
- Refutation
- R(g);XR(J)
- Try
- Q(K);XP(f)
- Threat
- DUALS(2)
- Vars
- R(b);XS(A)::QAB(K)
- R(g);N_GUARD,P_PINR(F)::R1(F),XR(g)
- R(g);::R(F)
- P(h);OGATE::R(J),XR(g)
- Refutation
- B(i);XQ(K)
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- R(b);XS(A)::QAR1(K)
- B(i);::R(F)
- S(a);::R(F)
- P(f);::QAR1(K)
- P(h);OGATE::R(J),XR(g)
- Refutation
- P(f);
- Try
- P(I);
- Threat
- DUALS(5)
- Refutation
- R(g);
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- R(g);::R1(I)
- Refutation
- R(g);
- Try
- Actual
- S(A);
- Threat
- R(F)
- Vars
- R(b);N_GUARD::S(A),XP(c)
- R(g);N_GUARD,P_PINR(F)::R1(F),XR(g)
- S(a);SBLOCK::B(D)
- P(f);OGATE::QAB(K)
- P(f);OGATE::QAB(K),XP(f)
- P(h);OGATE::R(J),XR(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).