MESON Chess Problem Database
Problem Display
PID: 118687 (1bn5/n1R3Q1/2Pk4/1p3P2/1P2Pq2/pB3PN1/P2P4/3RK3 w - - 0 1)
Slater, George James
Leeds Mercury, 1896
#2
13 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2+
- 2.Rxd2#
- 1...Qe3+
- 2.dxe3#
- 1...Qxg3+
- 2.Qxg3#
- 1...Qe5
- 2.Qd7#
- 1...Qg5
- 2.e5#
- 1...Qh6
- 2.e5#
- 1...Qxf3
- 2.e5#
- 1...Qxe4+
- 2.Sxe4#
- 1...Qg4
- 2.e5#
- 1...Qh4
- 2.e5#
- 1...Qxf5
- 2.Sxf5#
- 1...Bxc7
- 2.Qf6#
- 1...Sxc6
- 2.Rd7#
- 1...Sb6
- 2.Qe7#
- 1...Se7
- 2.Qxe7#
- 1...Qxd2+
- Tries
- 1.Kf1?
- 1...Qxd2
- 2.Rxd2#
- 2.e5#
- 1...Qxg3
- 2.Qxg3#
- 1...Qxe4
- 2.Sxe4#
- 1...Qxf5
- 2.Sxf5#
- 1...Bxc7
- 2.Qf6#
- 1...Sxc6
- 2.Rd7#
- 1...Se7
- 2.Qxe7#
- 1...Qe3
- 2.dxe3#
- 1...Qe5
- 2.Qd7#
- 1...Qg5
- 2.e5#
- 1...Qh6
- 2.e5#
- 1...Qg4
- 2.e5#
- 1...Qh4
- 2.e5#
- 1...Sb6
- 2.Qe7#
- 1...Qxf3+!
- 1...Qxd2
- 1.Ke2?
- 1...Qxd2+
- 2.Rxd2#
- 1...Qe3+
- 2.dxe3#
- 1...Qxe4+
- 2.Sxe4#
- 1...Qxg3
- 2.Qxg3#
- 1...Qxf5
- 2.Sxf5#
- 1...Bxc7
- 2.Qf6#
- 1...Sxc6
- 2.Rd7#
- 1...Se7
- 2.Qxe7#
- 1...Qe5
- 2.Qd7#
- 1...Qg5
- 2.e5#
- 1...Qh6
- 2.e5#
- 1...Qg4
- 2.e5#
- 1...Qh4
- 2.e5#
- 1...Sb6
- 2.Qe7#
- 1...Qxf3+!
- 1...Qxd2+
- 1.Kf2?
- 1...Qxd2+
- 2.Rxd2#
- 1...Qe3+
- 2.dxe3#
- 1...Qxg3+
- 2.Qxg3#
- 1...Qxe4
- 2.Sxe4#
- 1...Qxf5
- 2.Sxf5#
- 1...Bxc7
- 2.Qf6#
- 1...Sxc6
- 2.Rd7#
- 1...Se7
- 2.Qxe7#
- 1...Qe5
- 2.Qd7#
- 1...Qg5
- 2.e5#
- 1...Qh6
- 2.e5#
- 1...Qg4
- 2.e5#
- 1...Qh4
- 2.e5#
- 1...Sb6
- 2.Qe7#
- 1...Qxf3+!
- 1...Qxd2+
- 1.Bc4?
- 1...Qxd2+
- 2.Rxd2#
- 1...Qe3+
- 2.dxe3#
- 1...Qxg3+
- 2.Qxg3#
- 1...Qxe4+
- 2.Sxe4#
- 1...Qxf3
- 2.e5#
- 1...Qxf5
- 2.Sxf5#
- 1...Bxc7
- 2.Qf6#
- 1...Sxc6
- 2.Rd7#
- 1...Se7
- 2.Qxe7#
- 1...Qe5
- 2.Qd7#
- 1...Qg5
- 2.e5#
- 1...Qh6
- 2.e5#
- 1...Qg4
- 2.e5#
- 1...Qh4
- 2.e5#
- 1...Sb6
- 2.Qe7#
- 1...bxc4!
- 1...Qxd2+
- 1.Qf8+?
- 1...Ke5
- 2.d4#
- 1...Se7
- 2.Qxe7#
- 1...Kxc7!
- 1...Ke5
- 1.Qg6+?
- 1...Ke5
- 2.d4#
- 1...Kxc7!
- 1...Ke5
- 1.Kf1?
- Keys
- 1.Bg8!
- 1...Qxd2+
- 2.Rxd2#
- 1...Qe3+
- 2.dxe3#
- 1...Qxg3+
- 2.Qxg3#
- 1...Qxe4+
- 2.Sxe4#
- 1...Qxf3
- 2.e5#
- 1...Qxf5
- 2.Sxf5#
- 1...Bxc7
- 2.Qf6#
- 1...Sxc6
- 2.Rd7#
- 1...Se7
- 2.Qxe7#
- 1...Qe5
- 2.Qd7#
- 1...Qg5
- 2.e5#
- 1...Qh6
- 2.e5#
- 1...Qg4
- 2.e5#
- 1...Qh4
- 2.e5#
- 1...Sb6
- 2.Qe7#
- 1...Qxd2+
- 1.Bg8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(b);CHECK,OGATE,P_SPINQ(b),XP(D)::R(A),XQ(b)
- Q(b);CHECK,OGATE::R(A)+P(D),XQ(b)
- Q(b);CHECK,OGATE,XS(G)::QAB(M),XQ(b)
- Q(b);P_PINP(I),SBLOCK::QAR1(M)
- Q(b);N_GUARD::P(I)
- Q(b);N_GUARD,XP(F)::P(I)
- Q(b);CHECK,XP(I)::S(G),XQ(b)
- Q(b);N_GUARD,P_PINS(G)::P(I)
- Q(b);XP(J)::S(G),XQ(b)
- B(f);SBLOCK,XR(L)::QAR2(M)
- S(e);SBLOCK,XP(K)::R1(L)
- S(g);N_GUARD::QAB1(M)
- S(g);N_GUARD::QAB1(M),XS(g)
- Tries
- Try
- K(B);P-FLIGHT,P_SPINP(F)
- Vars
- Q(b);N_PINP(F),OGATE,XS(G)::QAB(M),XQ(b)
- Q(b);N_PINP(F),XP(I)::S(G),XQ(b)
- Q(b);XP(J)::S(G),XQ(b)
- B(f);SBLOCK,XR(L)::QAR2(M)
- S(e);SBLOCK,XP(K)::R1(L)
- S(g);N_GUARD::QAB1(M),XS(g)
- Q(b);N_PINP(F),OGATE::R(A)+P(D),XQ(b)
- Q(b);N_PINP(F),SBLOCK::QAR1(M)
- Q(b);N_GUARD,N_PINP(F)::P(I)
- S(g);N_GUARD::QAB1(M)
- Refutation
- Q(b);CHECK,XP(F)
- Try
- K(B);P-FLIGHT
- Vars
- Q(b);CHECK,OGATE,P_SPINQ(b),XP(D)::R(A),XQ(b)
- Q(b);CHECK,OGATE::R(A)+P(D),XQ(b)
- Q(b);CHECK,XP(I)::S(G),XQ(b)
- Q(b);OGATE,XS(G)::QAB(M),XQ(b)
- Q(b);XP(J)::S(G),XQ(b)
- B(f);SBLOCK,XR(L)::QAR2(M)
- S(e);SBLOCK,XP(K)::R1(L)
- S(g);N_GUARD::QAB1(M),XS(g)
- Q(b);P_PINP(I),SBLOCK::QAR1(M)
- Q(b);N_GUARD::P(I)
- Q(b);N_GUARD,P_PINP(F)::P(I)
- S(g);N_GUARD::QAB1(M)
- Refutation
- Q(b);CHECK,XP(F)
- Try
- K(B);P_SPINP(F),S_FLIGHT
- Vars
- Q(b);CHECK,N_PINP(F),OGATE,P_SPINQ(b),XP(D)::R(A),XQ(b)
- Q(b);CHECK,N_PINP(F),OGATE::R(A)+P(D),XQ(b)
- Q(b);CHECK,N_PINP(F),OGATE,XS(G)::QAB(M),XQ(b)
- Q(b);N_PINP(F),XP(I)::S(G),XQ(b)
- Q(b);XP(J)::S(G),XQ(b)
- B(f);SBLOCK,XR(L)::QAR2(M)
- S(e);SBLOCK,XP(K)::R1(L)
- S(g);N_GUARD::QAB1(M),XS(g)
- Q(b);N_PINP(F),SBLOCK::QAR1(M)
- Q(b);N_GUARD,N_PINP(F)::P(I)
- Q(b);N_GUARD,N_PINP(F),P_PINS(G)::P(I)
- S(g);N_GUARD::QAB1(M)
- Refutation
- Q(b);CHECK,XP(F)
- Try
- B(E);
- Vars
- Q(b);CHECK,OGATE,P_SPINQ(b),XP(D)::R(A),XQ(b)
- Q(b);CHECK,OGATE::R(A)+P(D),XQ(b)
- Q(b);CHECK,OGATE,XS(G)::QAB(M),XQ(b)
- Q(b);CHECK,XP(I)::S(G),XQ(b)
- Q(b);N_GUARD,XP(F)::P(I)
- Q(b);XP(J)::S(G),XQ(b)
- B(f);SBLOCK,XR(L)::QAR2(M)
- S(e);SBLOCK,XP(K)::R1(L)
- S(g);N_GUARD::QAB1(M),XS(g)
- Q(b);P_PINP(I),SBLOCK::QAR1(M)
- Q(b);N_GUARD::P(I)
- Q(b);N_GUARD,P_PINS(G)::P(I)
- S(g);N_GUARD::QAB1(M)
- Refutation
- P(c);XB(E)
- Try
- Q(M);CHECK
- Vars
- K(d);S_FLIGHT::P(D)
- S(g);N_GUARD,P_SPINS(g)::QAB1(M),XS(g)
- Refutation
- K(d);S_FLIGHT,XR(L)
- Try
- Q(M);CHECK
- Vars
- K(d);S_FLIGHT::P(D)
- Refutation
- K(d);S_FLIGHT,XR(L)
- Try
- Actual
- B(E);
- Vars
- Q(b);CHECK,OGATE,P_SPINQ(b),XP(D)::R(A),XQ(b)
- Q(b);CHECK,OGATE::R(A)+P(D),XQ(b)
- Q(b);CHECK,OGATE,XS(G)::QAB(M),XQ(b)
- Q(b);CHECK,XP(I)::S(G),XQ(b)
- Q(b);N_GUARD,XP(F)::P(I)
- Q(b);XP(J)::S(G),XQ(b)
- B(f);SBLOCK,XR(L)::QAR2(M)
- S(e);SBLOCK,XP(K)::R1(L)
- S(g);N_GUARD::QAB1(M),XS(g)
- Q(b);P_PINP(I),SBLOCK::QAR1(M)
- Q(b);N_GUARD::P(I)
- Q(b);N_GUARD,P_PINS(G)::P(I)
- S(g);N_GUARD::QAB1(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).