MESON Chess Problem Database
Problem Display
PID: 214529 (3n4/1p2BpQ1/1Np1pP2/2Prk3/3R4/2r1PbKn/5N2/1B1R4 w - - 0 1)
Stafford, JA
Prize, Cincinnati Commercial, 1880
#2
11 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Rxe3
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Rxd4
- 2.exd4#
- 1...Rxc5
- 2.Sd7#
- 2.Bd6#
- 1...Rd6
- 2.Bxd6#
- 1...Rd7
- 2.Sxd7#
- 1...Bh1
- 2.Sg4#
- 1...Bg2
- 2.Sg4#
- 1...Bg4
- 2.Sxg4#
- 1...Sg1
- 2.Qg5#
- 1...Sxf2
- 2.Qg5#
- 1...Sf4
- 2.Qg5#
- 2.exf4#
- 1...Sg5
- 2.Qxg5#
- 1...Ra3
- Tries
- 1.Rxd5+?
- 1...Bxd5
- 2.Sg4#
- 2.Sd7#
- 2.Bd6#
- 1...cxd5
- 2.Sd7#
- 2.Bd6#
- 1...exd5!
- 1...Bxd5
- 1.Qg6?
- 1...Rxe3
- 2.Sc4#
- 1...Rcxc5
- 2.Sd3#
- 1...Rxd4
- 2.exd4#
- 1...Rdxc5
- 2.Sd7#
- 2.Bd6#
- 1...Bxd1
- 2.Re4#
- 2.Qe4#
- 1...Sxf2
- 2.Qg5#
- 1...Rc1
- 2.Sd3#
- 1...Rc2
- 2.Sd3#
- 1...Ra3
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Rd3
- 2.Sxd3#
- 2.Sc4#
- 1...Rc4
- 2.Sd3#
- 2.Sxc4#
- 1...Rd6
- 2.Bxd6#
- 1...Rd7
- 2.Sxd7#
- 1...Bh1
- 2.Sg4#
- 1...Be2
- 2.Re4#
- 2.Qe4#
- 1...Bg2
- 2.Sg4#
- 1...Be4
- 2.Sg4#
- 2.Rxe4#
- 2.Qxe4#
- 1...Bg4
- 2.Sxg4#
- 2.Re4#
- 2.Qe4#
- 1...Bh5
- 2.Re4#
- 2.Qe4#
- 1...Sg1
- 2.Qg5#
- 1...Sf4
- 2.Qg5#
- 2.exf4#
- 1...Sg5
- 2.Qxg5#
- 1...fxg6!
- 1...Rxe3
- 1.Rxd5+?
- Keys
- 1.Bh7!
- 1...Rxe3
- 2.Sc4#
- 1...Rcxc5
- 2.Sd3#
- 1...Rxd4
- 2.exd4#
- 1...Rdxc5
- 2.Sd7#
- 2.Bd6#
- 1...Bxd1
- 2.Re4#
- 1...Sxf2
- 2.Qg5#
- 1...Rc1
- 2.Sd3#
- 1...Rc2
- 2.Sd3#
- 1...Ra3
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Rd3
- 2.Sxd3#
- 2.Sc4#
- 1...Rc4
- 2.Sd3#
- 2.Sxc4#
- 1...Rd6
- 2.Bxd6#
- 1...Rd7
- 2.Sxd7#
- 1...Bh1
- 2.Sg4#
- 1...Be2
- 2.Re4#
- 1...Bg2
- 2.Sg4#
- 1...Be4
- 2.Sg4#
- 2.Rxe4#
- 1...Bg4
- 2.Sxg4#
- 2.Re4#
- 1...Bh5
- 2.Re4#
- 1...Sg1
- 2.Qg5#
- 1...Sf4
- 2.Qg5#
- 2.exf4#
- 1...Sg5
- 2.Qxg5#
- 1...Rxe3
- 1.Bh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD::S(H)
- R(a);N_GUARD,XP(D)::S(H)
- R(a);N_GUARD::S(H),XR(a)
- R(d);OGATE,XR(F)::P(D),XR(d)
- R(d);N_GUARD::B(J),XR(d)
- R(d);N_GUARD::S(H),XR(d)
- B(b);N_GUARD,P_PINP(D)::S(C)
- B(b);N_GUARD,P_PINP(D)::S(C),XB(b)
- S(c);N_GUARD::QAR2(K)
- S(c);N_GUARD,XS(C)::QAR2(K)
- S(c);N_GUARD::QAR2(K),XS(c)
- Tries
- Try
- R(F);CHECK,XR(d)
- Refutation
- P(g);XR(F)
- Try
- Q(K);
- Vars
- R(a);N_GUARD,XP(D)::S(H)
- R(a);N_GUARD,XP(G)::S(C)
- R(d);OGATE,XR(F)::P(D),XR(d)
- S(c);N_GUARD,XS(C)::QAR2(K)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(H)
- R(d);N_GUARD::B(J),XR(d)
- R(d);N_GUARD::S(H),XR(d)
- B(b);N_GUARD,P_PINP(D)::S(C)
- S(c);N_GUARD::QAR2(K)
- S(c);N_GUARD::QAR2(K),XS(c)
- Refutation
- P(i);XQ(K)
- Try
- Actual
- B(A);
- Vars
- R(a);N_GUARD,XP(D)::S(H)
- R(a);N_GUARD,XP(G)::S(C)
- R(d);OGATE,XR(F)::P(D),XR(d)
- B(b);N_GUARD,P_PINP(D),XR(B)::R1(F)
- S(c);N_GUARD,XS(C)::QAR2(K)
- R(a);N_GUARD::S(C)
- R(a);N_GUARD::S(H)
- R(d);N_GUARD::B(J),XR(d)
- R(d);N_GUARD::S(H),XR(d)
- B(b);N_GUARD,P_PINP(D)::S(C)
- B(b);N_GUARD,P_PINP(D)::R1(F)
- S(c);N_GUARD::QAR2(K)
- S(c);N_GUARD::QAR2(K),XS(c)
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).