MESON Chess Problem Database
Problem Display
PID: 158625 (2N1R3/5n1B/1K2n3/3krp1R/3P4/2PPpPQ1/4P3/8 w - - 0 1)
Amirov, Talip Khasanovich
Smena, 1961
#2
11 + 6
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Se7#
- 2.fxe4#
- 1...Sxd4
- 2.c4#
- 1...Sg5
- 2.Qxe5#
- 1...Sd6
- 2.Se7#
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...f4
- 2.Be4#
- 1...Re4
- Tries
- 1.Bg8?
- 1...Sxd4
- 2.Rxe5#
- 2.Qxe5#
- 2.c4#
- 1...Sc5
- 2.Rxe5#
- 2.Qxe5#
- 1...Re4
- 2.Se7#
- 2.fxe4#
- 1...Sf4
- 2.Rxe5#
- 1...Seg5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sc7
- 2.Rxe5#
- 2.Qxe5#
- 1...Sg7
- 2.Rxe5#
- 2.Qxe5#
- 1...Sed8
- 2.Rxe5#
- 2.Qxe5#
- 1...Sf8
- 2.Rxe5#
- 2.Qxe5#
- 1...Sfg5
- 2.Rd8#
- 2.Qxe5#
- 1...Sd6
- 2.Se7#
- 2.Qxe5#
- 1...Sh6
- 2.Rd8#
- 2.Qxe5#
- 1...Sfd8
- 2.Rxd8#
- 2.Qxe5#
- 1...Sh8
- 2.Rd8#
- 2.Qxe5#
- 1...f4!
- 1...Sxd4
- 1.Rd8+?
- 1...Sd6
- 2.Se7#
- 2.Rxd6#
- 2.Qxe5#
- 1...Sfxd8
- 2.Qxe5#
- 1...Sexd8!
- 1...Sd6
- 1.Qf4?
- threat
- 2.c4#
- 1...Re4
- 2.Se7#
- 2.Qxe4#
- 2.fxe4#
- 1...Sd6
- 2.Se7#
- 2.Qxe5#
- 1...Sxf4!
- threat
- 1.Qh4?
- threat
- 2.c4#
- 1...Re4
- 2.Qxe4#
- 2.fxe4#
- 1...Sd6
- 2.Se7#
- 1...f4
- 2.Be4#
- 1...Sf4!
- threat
- 1.Qg4?
- threat
- 2.c4#
- 1...fxg4
- 2.Be4#
- 1...Re4
- 2.Qxe4#
- 2.fxe4#
- 1...Sd6
- 2.Se7#
- 1...f4
- 2.Be4#
- 2.Qxe6#
- 1...Sf4!
- threat
- 1.Bg8?
- Keys
- 1.Qg8!
- 1...Sxd4
- 2.c4#
- 1...Sc5
- 2.Rxe5#
- 1...Re4
- 2.fxe4#
- 1...Sf4
- 2.Rxe5#
- 1...Seg5
- 2.Rxe5#
- 1...Sc7
- 2.Rxe5#
- 1...Sg7
- 2.Rxe5#
- 1...Sed8
- 2.Rxe5#
- 1...Sf8
- 2.Rxe5#
- 1...Sfg5
- 2.Rd8#
- 1...Sd6
- 2.Se7#
- 1...Sh6
- 2.Rd8#
- 1...Sfd8
- 2.Rxd8#
- 1...Sh8
- 2.Rd8#
- 1...f4
- 2.Be4#
- 1...Sxd4
- 1.Qg8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(e);SBLOCK,XP(F)::P(B)
- S(f);N_GUARD::QAR1(E),XR(c)
- P(d);OGATE,P_SPINR(c)::B(I)
- Tries
- Try
- B(I);
- Vars
- S(e);OGATE,P_SPINS(f)::R1(K),XR(c)
- Refutation
- P(d);P_SPINR(c)
- Try
- R(K);CHECK
- Vars
- S(f);XR(K)::QAR1(E),XR(c)
- Refutation
- S(e);XR(K)
- Try
- Q(E);
- Threat
- P(B)
- Refutation
- S(e);XQ(E)
- Try
- Q(E);
- Threat
- P(B)
- Vars
- S(f);SBLOCK::S(J)
- P(d);OGATE,P_SPINR(c)::B(I)
- Refutation
- S(e);
- Try
- Q(E);
- Threat
- P(B)
- Vars
- P(d);OGATE,P_SPINR(c),XQ(E)::B(I)
- S(f);SBLOCK::S(J)
- Refutation
- S(e);
- Try
- Actual
- Q(E);
- Vars
- S(e);P_SPINS(f),SBLOCK,XP(F)::P(B)
- S(e);OGATE,P_SPINS(f)::R1(K),XR(c)
- R(c);OGATE,P_SPINP(d)::P(D),XR(c)
- S(f);N_GUARD,P_SPINS(e)::R(K)
- S(f);P_SPINS(e),SBLOCK::S(J)
- S(f);N_GUARD,P_SPINS(e)::R(K),XS(f)
- P(d);OGATE,P_SPINR(c)::B(I)
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).