MESON Chess Problem Database
Problem Display
PID: 104539 (4K3/p5pN/Pn1R3P/2P2P1r/3PkBB1/4P3/2r1P3/nQ2bN2 w - - 0 1)
Pickup, F
Bolton Football Field, 1894
(First published on Sat Aug 18 1894)
#2
14 + 8
| 6490 | yacpdb | 2009 |
| 15239 | Valois Notebooks | 2026 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rxf5
- 2.Bf3#
- 1...Rg5
- 2.Sxg5#
- 1...Rxh6
- 2.Sg5#
- 1...Bd2
- 2.Sxd2#
- 2.Sg3#
- 1...Bf2
- 2.Sd2#
- 1...Bc3
- 2.Sg3#
- 1...Bg3
- 2.Sd2#
- 2.Sxg3#
- 1...Bb4
- 2.Sg3#
- 1...Bh4
- 2.Sd2#
- 1...Ba5
- 2.Sg3#
- 1...Sb3
- 2.Qxc2#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Sd5
- 2.Re6#
- 1...Sd7
- 2.Qb7#
- 1...Sa8
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...gxh6
- 2.Sf6#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Rh1
- Tries
- 1.Kf7?
- 1...Rxh6
- 2.Sg5#
- 1...gxh6
- 2.Sf6#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Bd2
- 2.Sxd2#
- 2.Sg3#
- 1...Bf2
- 2.Sd2#
- 1...Bc3
- 2.Sg3#
- 1...Bg3
- 2.Sd2#
- 2.Sxg3#
- 1...Bb4
- 2.Sg3#
- 1...Bh4
- 2.Sd2#
- 1...Ba5
- 2.Sg3#
- 1...Sb3
- 2.Qxc2#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Sd5
- 2.Re6#
- 1...Sd7
- 2.Qb7#
- 1...Sa8
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Rxf5+!
- 1...Rxh6
- 1.Kd8?
- 1...Rxf5
- 2.Bf3#
- 1...Rxh6
- 2.Sg5#
- 1...gxh6
- 2.Sf6#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Bd2
- 2.Sxd2#
- 2.Sg3#
- 1...Bf2
- 2.Sd2#
- 1...Bc3
- 2.Sg3#
- 1...Bg3
- 2.Sd2#
- 2.Sxg3#
- 1...Bb4
- 2.Sg3#
- 1...Ba5
- 2.Sg3#
- 1...Sb3
- 2.Qxc2#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Sd5
- 2.Re6#
- 1...Sd7
- 2.Qb7#
- 1...Sa8
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Bh4+!
- 1...Rxf5
- 1.Bh3?
- 1...Rxf5
- 2.Bg2#
- 1...Rxh6
- 2.Sg5#
- 1...gxh6
- 2.Sf6#
- 1...Bd2
- 2.Sxd2#
- 2.Sg3#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Bf2
- 2.Sd2#
- 1...Bc3
- 2.Sg3#
- 1...Bg3
- 2.Sd2#
- 2.Sxg3#
- 1...Bb4
- 2.Sg3#
- 1...Bh4
- 2.Sd2#
- 1...Ba5
- 2.Sg3#
- 1...Sb3
- 2.Qxc2#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Sd5
- 2.Re6#
- 1...Sd7
- 2.Qb7#
- 1...Sa8
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Rxh3!
- 1...Rxf5
- 1.Rd7?
- 1...Rxf5
- 2.Bf3#
- 1...Rxh6
- 2.Sg5#
- 1...Sxd7
- 2.Qb7#
- 1...gxh6
- 2.Sf6#
- 1...Bd2
- 2.Sxd2#
- 2.Sg3#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Bf2
- 2.Sd2#
- 1...Bc3
- 2.Sg3#
- 1...Bg3
- 2.Sd2#
- 2.Sxg3#
- 1...Bb4
- 2.Sg3#
- 1...Bh4
- 2.Sd2#
- 1...Ba5
- 2.Sg3#
- 1...Sb3
- 2.Qxc2#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Sa8
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Sd5!
- 1...Rxf5
- 1.Rd8?
- 1...Rxf5
- 2.Bf3#
- 1...Rxh6
- 2.Sg5#
- 1...gxh6
- 2.Sf6#
- 1...Sd7
- 2.Qb7#
- 1...Bd2
- 2.Sxd2#
- 2.Sg3#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Bf2
- 2.Sd2#
- 1...Bc3
- 2.Sg3#
- 1...Bg3
- 2.Sd2#
- 2.Sxg3#
- 1...Bb4
- 2.Sg3#
- 1...Bh4
- 2.Sd2#
- 1...Ba5
- 2.Sg3#
- 1...Sb3
- 2.Qxc2#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Sa8
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Sd5!
- 1...Rxf5
- 1.Qxe1?
- threat
- 2.Sg3#
- 1...Rh3
- 2.Sg5#
- 1...Rxe2!
- threat
- 1.Qb3?
- threat
- 2.Re6#
- 2.Qe6#
- 2.Qd3#
- 1...Rxe2
- 2.Re6#
- 1...Rxc5
- 2.Qd3#
- 1...Rxf5
- 2.Bf3#
- 2.Qd3#
- 1...Rxh6
- 2.Sg5#
- 2.Qd3#
- 1...Rd2
- 2.Re6#
- 2.Qe6#
- 1...Rc3
- 2.Re6#
- 2.Qe6#
- 1...Rc4
- 2.Qd3#
- 1...Bc3
- 2.Sg3#
- 2.Re6#
- 2.Qe6#
- 1...Sc4
- 2.Qd3#
- 2.Qb7#
- 1...Sd5
- 2.Re6#
- 2.Qxd5#
- 2.Qd3#
- 1...Sd7
- 2.Qd5#
- 2.Qd3#
- 2.Qb7#
- 1...Sxb3!
- threat
- 1.cxb6?
- 1...Rxf5
- 2.Bf3#
- 1...Rxh6
- 2.Sg5#
- 1...gxh6
- 2.Sf6#
- 1...Bd2
- 2.Sxd2#
- 2.Sg3#
- 1...Rh1
- 2.Sg5#
- 1...Rh2
- 2.Sg5#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Bf2
- 2.Sd2#
- 1...Bc3
- 2.Sg3#
- 1...Bg3
- 2.Sd2#
- 2.Sxg3#
- 1...Bb4
- 2.Sg3#
- 1...Bh4
- 2.Sd2#
- 1...Ba5
- 2.Sg3#
- 1...Sb3
- 2.Qxc2#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...axb6!
- 1...Rxf5
- 1.hxg7?
- threat
- 2.Sf6#
- 1...Rxf5
- 2.Bf3#
- 1...Rh6
- 2.Sg5#
- 1...Bh4
- 2.Sd2#
- 1...Sd5
- 2.Re6#
- 1...Sd7
- 2.Qb7#
- 1...Rxh7!
- threat
- 1.Kf7?
- Keys
- 1.Sh2!
- 1...Rxh2
- 2.Sg5#
- 1...Rxf5
- 2.Bf3#
- 1...Rxh6
- 2.Sg5#
- 1...gxh6
- 2.Sf6#
- 1...Rh3
- 2.Sg5#
- 1...Rh4
- 2.Sg5#
- 1...Rg5
- 2.Sxg5#
- 1...Bd2
- 2.Qh1#
- 1...Bf2
- 2.Qh1#
- 1...Bc3
- 2.Qh1#
- 1...Bg3
- 2.Qh1#
- 1...Bb4
- 2.Qh1#
- 1...Bh4
- 2.Qh1#
- 1...Ba5
- 2.Qh1#
- 1...Sb3
- 2.Qxc2#
- 1...Sa4
- 2.Qb7#
- 1...Sc4
- 2.Qb7#
- 1...Sd5
- 2.Re6#
- 1...Sd7
- 2.Qb7#
- 1...Sa8
- 2.Qb7#
- 1...Sc8
- 2.Qb7#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Rxh2
- 1.Sh2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD::S(M)
- R(e);SBLOCK,XP(I)::B(G)
- R(e);N_GUARD::S(M),XR(e)
- R(e);N_GUARD,XP(L)::S(M)
- B(b);N_GUARD::S(B)
- S(a);N_GUARD::QAB(A),XR(c)
- S(f);OGATE::QAB(A)
- S(f);SBLOCK::R(K)
- P(h);N_GUARD,XP(L)::S(M)
- P(h);N_GUARD::S(M)
- Tries
- Try
- K(N);S_FLIGHT
- Vars
- R(e);N_GUARD,XP(L)::S(M)
- P(h);N_GUARD,XP(L)::S(M)
- R(e);N_GUARD::S(M)
- R(e);N_GUARD::S(M),XR(e)
- B(b);N_GUARD::S(B)
- S(a);N_GUARD::QAB(A),XR(c)
- S(f);OGATE::QAB(A)
- S(f);SBLOCK::R(K)
- P(h);N_GUARD::S(M)
- Refutation
- R(e);CHECK,XP(I)
- Try
- K(N);P-FLIGHT
- Vars
- R(e);SBLOCK,XP(I)::B(G)
- R(e);N_GUARD,XP(L)::S(M)
- P(h);N_GUARD,XP(L)::S(M)
- R(e);N_GUARD::S(M)
- R(e);N_GUARD::S(M),XR(e)
- B(b);N_GUARD::S(B)
- S(a);N_GUARD::QAB(A),XR(c)
- S(f);OGATE::QAB(A)
- S(f);SBLOCK::R(K)
- P(h);N_GUARD::S(M)
- Refutation
- B(b);CHECK
- Try
- B(G);
- Vars
- R(e);SBLOCK,XP(I)::B(G)
- R(e);N_GUARD,XP(L)::S(M)
- P(h);N_GUARD,XP(L)::S(M)
- R(e);N_GUARD::S(M)
- R(e);N_GUARD::S(M),XR(e)
- B(b);N_GUARD::S(B)
- S(a);N_GUARD::QAB(A),XR(c)
- S(f);OGATE::QAB(A)
- S(f);SBLOCK::R(K)
- P(h);N_GUARD::S(M)
- Refutation
- R(e);XB(G)
- Try
- R(K);
- Vars
- R(e);SBLOCK,XP(I)::B(G)
- R(e);N_GUARD,XP(L)::S(M)
- S(f);OGATE,XR(K)::QAB(A)
- P(h);N_GUARD,XP(L)::S(M)
- R(e);N_GUARD::S(M)
- R(e);N_GUARD::S(M),XR(e)
- B(b);N_GUARD::S(B)
- S(a);N_GUARD::QAB(A),XR(c)
- S(f);OGATE::QAB(A)
- P(h);N_GUARD::S(M)
- Refutation
- S(f);
- Try
- R(K);
- Vars
- R(e);SBLOCK,XP(I)::B(G)
- R(e);N_GUARD,XP(L)::S(M)
- P(h);N_GUARD,XP(L)::S(M)
- S(f);OGATE::QAB(A)
- R(e);N_GUARD::S(M)
- R(e);N_GUARD::S(M),XR(e)
- B(b);N_GUARD::S(B)
- S(a);N_GUARD::QAB(A),XR(c)
- P(h);N_GUARD::S(M)
- Refutation
- S(f);
- Try
- Q(A);N_PINR(c),XB(b)
- Threat
- S(B)
- Vars
- R(e);N_GUARD::S(M)
- Refutation
- R(c);XP(C)
- Try
- Q(A);N_PINR(c)
- Threat
- DUALS(3)
- Vars
- R(c);XP(C)::R(K)
- R(c);XP(H)::QAB1(A)
- R(c);::QAB1(A)
- Refutation
- S(a);XQ(A)
- Try
- P(H);XS(f)
- Vars
- R(e);SBLOCK,XP(I)::B(G)
- R(e);N_GUARD,XP(L)::S(M)
- P(h);N_GUARD,XP(L)::S(M)
- R(e);N_GUARD::S(M)
- R(e);N_GUARD::S(M),XR(e)
- B(b);N_GUARD::S(B)
- S(a);N_GUARD::QAB(A),XR(c)
- P(h);N_GUARD::S(M)
- Refutation
- P(g);XP(H)
- Try
- P(L);XP(h)
- Threat
- S(M)
- Vars
- R(e);SBLOCK,XP(I)::B(G)
- R(e);N_GUARD::S(M)
- B(b);N_GUARD::S(B)
- S(f);SBLOCK::R(K)
- S(f);OGATE::QAB(A)
- Refutation
- R(e);XS(M)
- Try
- Actual
- S(B);
- Vars
- R(e);N_GUARD,XS(B)::S(M)
- R(e);SBLOCK,XP(I)::B(G)
- R(e);N_GUARD,XP(L)::S(M)
- P(h);N_GUARD,XP(L)::S(M)
- R(e);N_GUARD::S(M)
- R(e);N_GUARD::S(M),XR(e)
- B(b);OGATE::QAB(A)
- S(a);N_GUARD::QAB(A),XR(c)
- S(f);OGATE::QAB(A)
- S(f);SBLOCK::R(K)
- P(h);N_GUARD::S(M)
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).