MESON Chess Problem Database
Problem Display
PID: 258425 (1n1NB1n1/4B2p/p1NpP3/P2k2KR/r2P1pp1/6bb/2Q1P3/3R4 w - - 0 1)
Guest, Francis Hubert
English Mechanic and World of Science, 1892
(First published on Fri Oct 28 1892)
#2
12 + 11
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Qf5#
- 1...Rxd4
- 2.Rxd4#
- 1...Rxa5
- 2.Sb4#
- 1...Be1
- 2.Kxf4#
- 1...Bf2
- 2.Kxf4#
- 1...Bh2
- 2.Kh4#
- 1...Bh4+
- 2.Kxh4#
- 1...Bf1
- 2.Kxg4#
- 1...Bg2
- 2.Kxg4#
- 1...Sxc6
- 2.Bxc6#
- 2.Qxc6#
- 1...Sf6
- 2.Kxf6#
- 1...Sh6
- 2.Kxh6#
- 1...Sxe7
- 2.Sxe7#
- 1...f3
- 2.e4#
- 1...h6+
- 2.Kg6#
- 1...Ra1
- Tries
- 1.Bf6?
- 1...Bh4+
- 2.Kxh4#
- 1...h6+
- 2.Kg6#
- 1...Rxd4
- 2.Sb4#
- 2.Rxd4#
- 1...Rxa5
- 2.Sb4#
- 1...Sxc6
- 2.Bxc6#
- 2.Qxc6#
- 1...Sxf6
- 2.Kxf6#
- 2.Se7#
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Qf5#
- 1...Be1
- 2.Kxf4#
- 1...Bf2
- 2.Kxf4#
- 1...Bh2
- 2.Kh4#
- 1...Bf1
- 2.Kxg4#
- 1...Bg2
- 2.Kxg4#
- 1...Sh6
- 2.Kxh6#
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.e4#
- 1...Sd7!
- 1...Bh4+
- 1.Bf8?
- 1...Bh4+
- 2.Kxh4#
- 1...h6+
- 2.Kg6#
- 1...Rxd4
- 2.Rxd4#
- 1...Rxa5
- 2.Sb4#
- 1...Sxc6
- 2.Bxc6#
- 2.Qxc6#
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Qf5#
- 1...Be1
- 2.Kxf4#
- 1...Bf2
- 2.Kxf4#
- 1...Bh2
- 2.Kh4#
- 1...Bf1
- 2.Kxg4#
- 1...Bg2
- 2.Kxg4#
- 1...Sf6
- 2.Kxf6#
- 2.Se7#
- 1...Sh6
- 2.Kxh6#
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.e4#
- 1...Sd7!
- 1...Bh4+
- 1.Bg6?
- threat
- 2.Be4#
- 1...Bh4+
- 2.Kxh4#
- 1...hxg6
- 2.Kxg6#
- 1...Bg2
- 2.Kxg4#
- 1...Sf6
- 2.Kxf6#
- 1...h6+!
- threat
- 1.Bd7?
- 1...Bh4+
- 2.Kxh4#
- 1...h6+
- 2.Kg6#
- 1...Rxd4
- 2.Rxd4#
- 1...Rxa5
- 2.Sb4#
- 1...Sxc6
- 2.Bxc6#
- 2.Qxc6#
- 1...Sxe7
- 2.Sxe7#
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Qf5#
- 1...Be1
- 2.Kxf4#
- 1...Bf2
- 2.Kxf4#
- 1...Bh2
- 2.Kh4#
- 1...Bf1
- 2.Kxg4#
- 1...Bg2
- 2.Kxg4#
- 1...Sf6
- 2.Kxf6#
- 1...Sh6
- 2.Kxh6#
- 1...f3
- 2.e4#
- 1...Sxd7!
- 1...Bh4+
- 1.Rd2?
- 1...Bh4+
- 2.Kxh4#
- 1...h6+
- 2.Kg6#
- 1...Rxd4
- 2.Rxd4#
- 1...Rxa5
- 2.Sb4#
- 1...Sxc6
- 2.Bxc6#
- 2.Qxc6#
- 1...Sxe7
- 2.Sxe7#
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Qf5#
- 1...Be1
- 2.Kxf4#
- 1...Bf2
- 2.Kxf4#
- 1...Bh2
- 2.Kh4#
- 1...Bf1
- 2.Kxg4#
- 1...Bg2
- 2.Kxg4#
- 1...Sf6
- 2.Kxf6#
- 1...Sh6
- 2.Kxh6#
- 1...f3
- 2.e4#
- 1...Sd7!
- 1...Bh4+
- 1.Qd3?
- 1...Bh4+
- 2.Kxh4#
- 1...h6+
- 2.Kg6#
- 1...Rxd4
- 2.Qxd4#
- 1...Rxa5
- 2.Sb4#
- 1...Sxc6
- 2.Bxc6#
- 1...Sxe7
- 2.Sxe7#
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Qf5#
- 1...Be1
- 2.Kxf4#
- 1...Bf2
- 2.Kxf4#
- 1...Bh2
- 2.Kh4#
- 1...Bf1
- 2.Kxg4#
- 1...Bg2
- 2.Kxg4#
- 1...Sf6
- 2.Kxf6#
- 1...Sh6
- 2.Kxh6#
- 1...f3
- 2.e4#
- 1...Sd7!
- 1...Bh4+
- 1.e3?
- threat
- 2.e4#
- 1...Bh4+
- 2.Kxh4#
- 1...h6+
- 2.Kg6#
- 1...Bg2
- 2.Kxg4#
- 1...Sf6
- 2.Kxf6#
- 1...fxe3!
- threat
- 1.Bf6?
- Keys
- 1.Bf7!
- 1...Bh4+
- 2.Kxh4#
- 1...h6+
- 2.Kg6#
- 1...Rxd4
- 2.Rxd4#
- 1...Rxa5
- 2.Sb4#
- 1...Sxc6
- 2.Qxc6#
- 1...Sxe7
- 2.Sxe7#
- 1...Sd7
- 2.exd7#
- 1...Ra1
- 2.Sb4#
- 1...Ra2
- 2.Sb4#
- 1...Ra3
- 2.Sb4#
- 1...Rb4
- 2.Sxb4#
- 1...Rc4
- 2.Qf5#
- 1...Be1
- 2.Kxf4#
- 1...Bf2
- 2.Kxf4#
- 1...Bh2
- 2.Kh4#
- 1...Bf1
- 2.Kxg4#
- 1...Bg2
- 2.Kxg4#
- 1...Sf6
- 2.Kxf6#
- 1...Sh6
- 2.Kxh6#
- 1...f3
- 2.e4#
- 1...Bh4+
- 1.Bf7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(H)
- R(c);N_GUARD::S(H),XR(c)
- R(c);SBLOCK::QAR2(B)
- R(c);OGATE,P_SPINR(c),XP(D)::R1(A),XR(c)
- R(c);N_GUARD,XP(E)::S(H)
- B(a);::R(G)+K(F),XP(d)
- B(a);::R(G)+K(F)
- B(a);CHECK::R(G)+K(F),XB(a)
- B(b);::R(G)+K(F),XP(e)
- S(k);::R(G)+K(F),XS(k)
- S(k);XB(J)::S(H),XS(k)
- P(d);N_GUARD::P(C)
- P(i);CHECK::R(G)+K(F)
- Tries
- Try
- B(J);
- Vars
- B(a);CHECK::R(G)+K(F),XB(a)
- P(i);CHECK::R(G)+K(F)
- R(c);N_GUARD,XP(E)::S(H)
- R(c);N_GUARD::S(H)
- R(c);N_GUARD::S(H),XR(c)
- R(c);SBLOCK::QAR2(B)
- B(a);::R(G)+K(F),XP(d)
- B(a);::R(G)+K(F)
- B(b);::R(G)+K(F),XP(e)
- S(k);N_GUARD::S(H),XS(k)
- P(d);N_GUARD::P(C)
- Refutation
- S(j);
- Try
- B(J);
- Vars
- B(a);CHECK::R(G)+K(F),XB(a)
- P(i);CHECK::R(G)+K(F)
- R(c);OGATE,P_SPINR(c),XP(D)::R1(A),XR(c)
- R(c);N_GUARD,XP(E)::S(H)
- R(c);N_GUARD::S(H)
- R(c);N_GUARD::S(H),XR(c)
- R(c);SBLOCK::QAR2(B)
- B(a);::R(G)+K(F),XP(d)
- B(a);::R(G)+K(F)
- B(b);::R(G)+K(F),XP(e)
- S(k);N_GUARD::S(H),XS(k)
- P(d);N_GUARD::P(C)
- Refutation
- S(j);
- Try
- B(L);
- Threat
- B(L)
- Vars
- B(a);CHECK::R(G)+K(F),XB(a)
- P(i);XB(L)::R(G)+K(F),XP(i)
- B(b);::R(G)+K(F),XP(e)
- S(k);::R(G)+K(F),XS(k)
- Refutation
- P(i);CHECK
- Try
- B(L);
- Vars
- B(a);CHECK::R(G)+K(F),XB(a)
- P(i);CHECK::R(G)+K(F)
- R(c);OGATE,P_SPINR(c),XP(D)::R1(A),XR(c)
- R(c);N_GUARD,XP(E)::S(H)
- S(k);XB(J)::S(H),XS(k)
- R(c);N_GUARD::S(H)
- R(c);N_GUARD::S(H),XR(c)
- R(c);SBLOCK::QAR2(B)
- B(a);::R(G)+K(F),XP(d)
- B(a);::R(G)+K(F)
- B(b);::R(G)+K(F),XP(e)
- S(k);::R(G)+K(F),XS(k)
- P(d);N_GUARD::P(C)
- Refutation
- S(j);XB(L)
- Try
- R(A);
- Vars
- B(a);CHECK::R(G)+K(F),XB(a)
- P(i);CHECK::R(G)+K(F)
- R(c);OGATE,P_SPINR(c),XP(D)::R1(A),XR(c)
- R(c);N_GUARD,XP(E)::S(H)
- S(k);XB(J)::S(H),XS(k)
- R(c);N_GUARD::S(H)
- R(c);N_GUARD::S(H),XR(c)
- R(c);SBLOCK::QAR2(B)
- B(a);::R(G)+K(F),XP(d)
- B(a);::R(G)+K(F)
- B(b);::R(G)+K(F),XP(e)
- S(k);::R(G)+K(F),XS(k)
- P(d);N_GUARD::P(C)
- Refutation
- S(j);
- Try
- Q(B);
- Vars
- B(a);CHECK::R(G)+K(F),XB(a)
- P(i);CHECK::R(G)+K(F)
- R(c);OGATE,P_SPINR(c),XP(D)::QAR1(B),XR(c)
- R(c);N_GUARD,XP(E)::S(H)
- S(j);OGATE,XS(H)::B(L),XS(j)
- S(k);XB(J)::S(H),XS(k)
- R(c);N_GUARD::S(H)
- R(c);N_GUARD::S(H),XR(c)
- R(c);SBLOCK::QAR2(B)
- B(a);::R(G)+K(F),XP(d)
- B(a);::R(G)+K(F)
- B(b);::R(G)+K(F),XP(e)
- S(k);::R(G)+K(F),XS(k)
- P(d);N_GUARD::P(C)
- Refutation
- S(j);
- Try
- P(C);
- Threat
- P(C)
- Vars
- B(a);CHECK::R(G)+K(F),XB(a)
- P(i);CHECK::R(G)+K(F)
- B(b);::R(G)+K(F),XP(e)
- S(k);::R(G)+K(F),XS(k)
- Refutation
- P(d);XP(C)
- Try
- Actual
- B(L);
- Vars
- B(a);CHECK::R(G)+K(F),XB(a)
- P(i);CHECK::R(G)+K(F)
- R(c);OGATE,P_SPINR(c),XP(D)::R1(A),XR(c)
- R(c);N_GUARD,XP(E)::S(H)
- S(j);OGATE,XS(H)::QAB1(B),XS(j)
- S(k);XB(J)::S(H),XS(k)
- S(j);OGATE::B(L)+P(I),XS(j)
- R(c);N_GUARD::S(H)
- R(c);N_GUARD::S(H),XR(c)
- R(c);SBLOCK::QAR2(B)
- B(a);::R(G)+K(F),XP(d)
- B(a);::R(G)+K(F)
- B(b);::R(G)+K(F),XP(e)
- S(k);::R(G)+K(F),XS(k)
- P(d);N_GUARD::P(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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