MESON Chess Problem Database
Problem Display
PID: 53263 (2R4B/1R6/8/p2P4/Pprq1p2/2kN1bpQ/2P5/2K5 w - - 0 1)
Mendes da Costa, Henri
Shakhmatny Zhurnal, 0000
#2
9 + 8
| 58 | Tijdschrift vd NSB | 1893 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Bxe5#
- 1...Qf6
- 2.Bxf6#
- 1...Qg7
- 2.Bxg7#
- 1...Qxh8
- 2.Qxh8#
- 1...Rc5
- 2.Rxc5#
- 1...Rc6
- 2.Rxc6#
- 1...Rc7
- 2.Rbxc7#
- 2.Rcxc7#
- 1...Rxc8
- 2.Qxc8#
- 1...b3
- 2.Rxb3#
- 1...Qe5
- Tries
- 1.Sb2?
- threat
- 2.Rxc4#
- 1...Rxc8
- 2.Qxc8#
- 1...Bxd5
- 2.Sd1#
- 1...Rc5
- 2.Rxc5#
- 1...Rc6
- 2.Rxc6#
- 1...Rc7
- 2.Rbxc7#
- 2.Rcxc7#
- 1...Be2!
- threat
- 1.Sxb4?
- threat
- 2.Sa2#
- 1...Qxh8
- 2.Qxh8#
- 1...Rxc8
- 2.Qxc8#
- 1...Qe5
- 2.Bxe5#
- 1...Qf6
- 2.Bxf6#
- 1...Qg7
- 2.Bxg7#
- 1...Rc5
- 2.Rxc5#
- 1...Rc6
- 2.Rxc6#
- 1...Rc7
- 2.Rcxc7#
- 1...axb4!
- threat
- 1.Rxb4?
- threat
- 2.Rb3#
- 2.Rbxc4#
- 2.Rcxc4#
- 1...Qxh8
- 2.Rbxc4#
- 2.Rcxc4#
- 2.Qxh8#
- 1...Rxc8
- 2.Bxd4#
- 2.Qxc8#
- 1...Bxd5
- 2.Rb3#
- 1...Qe5
- 2.Bxe5#
- 2.Rbxc4#
- 2.Rcxc4#
- 1...Qf6
- 2.Bxf6#
- 2.Rbxc4#
- 2.Rcxc4#
- 1...Qg7
- 2.Bxg7#
- 2.Rbxc4#
- 2.Rcxc4#
- 1...Rc5
- 2.Bxd4#
- 2.Rxc5#
- 1...Rc6
- 2.Bxd4#
- 2.Rxc6#
- 1...Rc7
- 2.Bxd4#
- 2.Rxc7#
- 1...axb4!
- threat
- 1.Rbc7?
- threat
- 2.Rxc4#
- 1...Rxc7
- 2.Rxc7#
- 1...Rc5
- 2.Rxc5#
- 1...Rc6
- 2.Rxc6#
- 1...Bxd5!
- threat
- 1.Sb2?
- Keys
- 1.Sf2!
- 1...Qxh8
- 2.Qxh8#
- 1...Rxc8
- 2.Qxc8#
- 1...Bxd5
- 2.Sd1#
- 1...gxf2
- 2.Qxf3#
- 1...Qe5
- 2.Bxe5#
- 1...Qf6
- 2.Bxf6#
- 1...Qg7
- 2.Bxg7#
- 1...Rc5
- 2.Rxc5#
- 1...Rc6
- 2.Rxc6#
- 1...Rc7
- 2.Rbxc7#
- 2.Rcxc7#
- 1...Bd1
- 2.Sxd1#
- 2.Se4#
- 1...Bh1
- 2.Sd1#
- 1...Be2
- 2.Se4#
- 1...Bg2
- 2.Sd1#
- 1...Be4
- 2.Sd1#
- 2.Sxe4#
- 1...Bg4
- 2.Se4#
- 1...Bh5
- 2.Se4#
- 1...g2
- 2.Sd1#
- 2.Se4#
- 2.Qxf3#
- 1...b3
- 2.Rxb3#
- 1...Qxh8
- 1.Sf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- Q(f);OGATEB::B(I),XQ(f)
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(D),XQ(f)
- R(e);OGATEB::R(H),XR(e)
- R(e);N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- P(d);OGATE::R1(G),XP(d)
- Tries
- Try
- S(C);
- Threat
- R1(H),XR(e)
- Vars
- R(e);N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- B(b);N_GUARD,P_SPINP(c),XP(F)::S(C)
- R(e);OGATEB::R(H),XR(e)
- Refutation
- B(b);P_SPINP(c)
- Try
- S(C);XP(d)
- Threat
- S(C)
- Vars
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(D),XQ(f)
- R(e);N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- Q(f);OGATEB::B(I),XQ(f)
- R(e);OGATEB::R(H),XR(e)
- Refutation
- P(h);XS(C)
- Try
- R(G);XP(d)
- Threat
- DUALS(3)
- Vars
- B(b);XP(F)::R1(G)
- Refutation
- P(h);XR(G)
- Try
- R(G);
- Threat
- R1(G),XR(e)
- Vars
- R(e);OGATE,XR(G)::R(H),XR(e)
- R(e);OGATEB::R(G),XR(e)
- Refutation
- B(b);XP(F)
- Try
- Actual
- S(C);
- Vars
- Q(f);N_SPINQ(f),OGATE,XB(I)::QAB(D),XQ(f)
- R(e);N_SPINR(e),OGATE,XR(H)::QAR(D),XR(e)
- B(b);N_GUARD,P_SPINP(c),XP(F)::S(C)
- P(c);OGATE,P_SPINB(b),XS(C)::QAR(D),XB(b)
- Q(f);OGATEB::B(I),XQ(f)
- R(e);OGATEB::R(H),XR(e)
- B(b);N_GUARD,P_SPINP(c)::S(C)
- P(d);OGATE::R1(G),XP(d)
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).