MESON Chess Problem Database
Problem Display
PID: 193621 (3BR3/qP1krPPK/p1pNp1n1/P2NP2n/1Q4Bp/7P/8/8 w - - 0 1)
Proctor, C
Pittsburgh Gazette-Times, 1915
#2
13 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.b8S#
- 1...Qf2
- 2.b8S#
- 1...Qe3
- 2.b8S#
- 1...Qd4
- 2.b8S#
- 1...Qc5
- 2.b8S#
- 1...Qb6
- 2.Sxb6#
- 1...Qb8
- 2.Sb6#
- 1...Qxb7
- 2.Qxb7#
- 1...Qa8
- 2.Sb6#
- 1...Rxf7
- 2.Bxe6#
- 1...Rxe8
- 2.fxe8Q#
- 1...Sg3
- 2.Sf6#
- 1...Shf4
- 2.Sf6#
- 1...Sf6+
- 2.Sxf6#
- 1...Sxg7
- 2.Sf6#
- 1...Sgf4
- 2.f8S#
- 1...Sxe5
- 2.f8S#
- 1...Sf8+
- 2.gxf8S#
- 1...Sh8
- 2.f8S#
- 1...cxd5
- 2.Qa4#
- 1...c5
- 2.Qa4#
- 1...Qg1
- Tries
- 1.Kxg6?
- threat
- 2.f8S#
- 1...Rxf7
- 2.Bxe6#
- 1...Rxe8
- 2.fxe8Q#
- 1...cxd5
- 2.Qa4#
- 1...c5
- 2.Qa4#
- 1...Qf2
- 2.b8S#
- 1...Sf4+!
- threat
- 1.Kh6?
- 1...Qxb7
- 2.Qxb7#
- 1...Rxf7
- 2.Bxe6#
- 1...Rxe8
- 2.fxe8Q#
- 1...Sxg7
- 2.Sf6#
- 1...Sxe5
- 2.f8S#
- 1...cxd5
- 2.Qa4#
- 1...c5
- 2.Qa4#
- 1...Qg1
- 2.b8S#
- 1...Qf2
- 2.b8S#
- 1...Qd4
- 2.b8S#
- 1...Qc5
- 2.b8S#
- 1...Qb6
- 2.Sxb6#
- 1...Qb8
- 2.Sb6#
- 1...Qa8
- 2.Sb6#
- 1...Sg3
- 2.Sf6#
- 1...Shf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sgf4
- 2.f8S#
- 1...Sf8
- 2.gxf8S#
- 1...Sh8
- 2.f8S#
- 1...Qe3+!
- 1...Qxb7
- 1.Se4?
- threat
- 2.Qd6#
- 1...Sf6+
- 2.Sexf6#
- 2.Sdxf6#
- 1...Sf8+
- 2.gxf8S#
- 1...Qxb7
- 2.Qxb7#
- 1...c5
- 2.Qa4#
- 1...Qc5
- 2.Sxc5#
- 1...Qb8
- 2.Sc5#
- 2.Sb6#
- 1...Rxf7!
- threat
- 1.Bf5?
- 1...Sf6+
- 2.Sxf6#
- 1...Sf8+
- 2.gxf8S#
- 1...Qxb7
- 2.Qxb7#
- 1...Rxf7
- 2.Bxe6#
- 1...Rxe8
- 2.fxe8Q#
- 1...Sxg7
- 2.Sf6#
- 1...Sxe5
- 2.f8S#
- 1...cxd5
- 2.Qa4#
- 1...c5
- 2.Qa4#
- 1...Qc5
- 2.b8S#
- 1...Qg1
- 2.b8S#
- 1...Qf2
- 2.b8S#
- 1...Qe3
- 2.b8S#
- 1...Qd4
- 2.b8S#
- 1...Qb6
- 2.Sxb6#
- 1...Qb8
- 2.Sb6#
- 1...Qa8
- 2.Sb6#
- 1...Sg3
- 2.Sf6#
- 1...Shf4
- 2.Sf6#
- 1...Sgf4
- 2.f8S#
- 1...Sh8
- 2.f8S#
- 1...exf5!
- 1...Sf6+
- 1.Qa3?
- 1...Sf6+
- 2.Sxf6#
- 1...Sf8+
- 2.gxf8S#
- 1...Rxf7
- 2.Bxe6#
- 1...Rxe8
- 2.fxe8Q#
- 1...Sxg7
- 2.Sf6#
- 1...Sxe5
- 2.f8S#
- 1...cxd5
- 2.Qa4#
- 1...c5
- 2.Qa4#
- 1...Qc5
- 2.b8S#
- 1...Qg1
- 2.b8S#
- 1...Qf2
- 2.b8S#
- 1...Qe3
- 2.b8S#
- 1...Qd4
- 2.b8S#
- 1...Qb6
- 2.Sxb6#
- 1...Qb8
- 2.Sb6#
- 1...Qa8
- 2.Sb6#
- 1...Sg3
- 2.Sf6#
- 1...Shf4
- 2.Sf6#
- 1...Sgf4
- 2.f8S#
- 1...Sh8
- 2.f8S#
- 1...Qxb7!
- 1...Sf6+
- 1.Qc5?
- 1...Sf6+
- 2.Sxf6#
- 1...Sf8+
- 2.gxf8S#
- 1...Qxc5
- 2.b8S#
- 1...Rxf7
- 2.Bxe6#
- 1...Rxe8
- 2.fxe8Q#
- 1...Sxg7
- 2.Sf6#
- 1...Sxe5
- 2.f8S#
- 1...cxd5
- 2.Qc7#
- 2.Qc8#
- 1...Qb6
- 2.Sxb6#
- 1...Qb8
- 2.Sb6#
- 1...Qa8
- 2.Sb6#
- 1...Sg3
- 2.Sf6#
- 1...Shf4
- 2.Sf6#
- 1...Sgf4
- 2.f8S#
- 1...Sh8
- 2.f8S#
- 1...Qxb7!
- 1...Sf6+
- 1.Qb3?
- 1...Sf6+
- 2.Sxf6#
- 1...Sf8+
- 2.gxf8S#
- 1...Qxb7
- 2.Qxb7#
- 1...Rxf7
- 2.Bxe6#
- 1...Rxe8
- 2.fxe8Q#
- 1...Sxg7
- 2.Sf6#
- 1...cxd5
- 2.Qa4#
- 1...c5
- 2.Qa4#
- 1...Qc5
- 2.b8S#
- 1...Qg1
- 2.b8S#
- 1...Qf2
- 2.b8S#
- 1...Qe3
- 2.b8S#
- 1...Qd4
- 2.b8S#
- 1...Qb6
- 2.Sxb6#
- 1...Qb8
- 2.Sb6#
- 1...Qa8
- 2.Sb6#
- 1...Sg3
- 2.Sf6#
- 1...Shf4
- 2.Sf6#
- 1...Sgf4
- 2.f8S#
- 1...Sh8
- 2.f8S#
- 1...Sxe5!
- 1...Sf6+
- 1.Qb6?
- threat
- 2.Qc7#
- 1...Sf6+
- 2.Sxf6#
- 1...Sf8+
- 2.gxf8S#
- 1...Qxb6
- 2.Sxb6#
- 1...Qxb7
- 2.Qxb7#
- 1...Qb8!
- threat
- 1.b8Q?
- threat
- 2.Qxa7#
- 2.Qc8#
- 1...Sf6+
- 2.Sxf6#
- 1...Sf8+
- 2.gxf8S#
- 1...Rxe8
- 2.Qc8#
- 2.fxe8Q#
- 2.fxe8B#
- 1...cxd5
- 2.Qa4#
- 2.Qc8#
- 1...c5
- 2.Qa4#
- 2.Qc8#
- 1...Qc5
- 2.Qc7#
- 2.Q4b7#
- 2.Q8b7#
- 2.Qc8#
- 1...Qg1
- 2.Qc7#
- 2.Q4b7#
- 2.Q8b7#
- 2.Qc8#
- 1...Qf2
- 2.Qc7#
- 2.Q4b7#
- 2.Q8b7#
- 2.Qc8#
- 1...Qe3
- 2.Qc7#
- 2.Q4b7#
- 2.Q8b7#
- 2.Qc8#
- 1...Qd4
- 2.Qc7#
- 2.Q4b7#
- 2.Q8b7#
- 2.Qc8#
- 1...Qb6
- 2.Sxb6#
- 2.Qc8#
- 1...Qb7
- 2.Q4xb7#
- 2.Q8xb7#
- 1...Qc7
- 2.Qxc7#
- 1...Qa8
- 2.Sb6#
- 2.Qc7#
- 1...Qxb8!
- threat
- 1.Kxg6?
- Keys
- 1.Kg8!
- 1...Rxe8+
- 2.fxe8Q#
- 1...Sf6+
- 2.Sxf6#
- 1...Qxb7
- 2.Qxb7#
- 1...Rxf7
- 2.Bxe6#
- 1...Sxg7
- 2.Sf6#
- 1...Sxe5
- 2.f8S#
- 1...cxd5
- 2.Qa4#
- 1...c5
- 2.Qa4#
- 1...Qg1
- 2.b8S#
- 1...Qf2
- 2.b8S#
- 1...Qe3
- 2.b8S#
- 1...Qd4
- 2.b8S#
- 1...Qc5
- 2.b8S#
- 1...Qb6
- 2.Sxb6#
- 1...Qb8
- 2.Sb6#
- 1...Qa8
- 2.Sb6#
- 1...Sg3
- 2.Sf6#
- 1...Shf4
- 2.Sf6#
- 1...Sgf4
- 2.f8S#
- 1...Sf8
- 2.gxf8S#
- 1...Sh8
- 2.f8S#
- 1...Rxe8+
- 1.Kg8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(g);N_GUARD::P=S
- Q(g);N_GUARD::S(E),XQ(g)
- Q(g);N_GUARD::S(E)
- Q(g);OGATE,XP(H)::QAR2(B),XQ(g)
- R(i);N_GUARD,P_PINP(J),XP(I)::B(C),XP(e)
- R(i);OGATE,XR(M)::PXR(i)=Q
- S(b);N_GUARD::S(E)
- S(b);CHECK,N_GUARD::S(E),XS(b)
- S(b);N_GUARD,XP(J)::S(E)
- S(f);N_GUARD::P=S
- S(f);N_GUARD,XP(F)::P=S
- S(f);CHECK,OGATE::PXS(f)=S
- P(d);OGATEB,XS(E)::QAB(B)
- P(d);OGATEB::QAB(B)
- Tries
- Try
- K(K);S_FLIGHT,XS(f)
- Threat
- P=S
- Vars
- R(i);N_GUARD,XP(I)::B(C),XP(e)
- R(i);OGATE,XR(M)::PXR(i)=Q
- P(d);OGATEB,XS(E)::QAB(B)
- P(d);OGATEB::QAB(B)
- Q(g);N_GUARD::P=S
- Refutation
- S(b);CHECK
- Try
- K(K);P-FLIGHT
- Vars
- Q(g);OGATE,XP(H)::QAR2(B),XQ(g)
- R(i);N_GUARD,XP(I)::B(C),XP(e)
- R(i);OGATE,XR(M)::PXR(i)=Q
- S(b);N_GUARD,XP(J)::S(E)
- S(f);N_GUARD,XP(F)::P=S
- P(d);OGATEB,XS(E)::QAB(B)
- P(d);OGATEB::QAB(B)
- Q(g);N_GUARD::P=S
- Q(g);N_GUARD::S(E),XQ(g)
- Q(g);N_GUARD::S(E)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(f);N_GUARD::P=S
- S(f);OGATE::PXS(f)=S
- Refutation
- Q(g);CHECK
- Try
- S(G);
- Threat
- QAR1(B)
- Vars
- S(f);CHECK,OGATE::PXS(f)=S
- Q(g);OGATE,XP(H)::QAR2(B),XQ(g)
- P(d);OGATEB::QAB(B)
- Q(g);N_GUARD::S(G),XQ(g)
- Refutation
- R(i);P_PINP(J),XP(I)
- Try
- B(C);
- Vars
- S(b);CHECK,N_GUARD::S(E),XS(b)
- S(f);CHECK,OGATE::PXS(f)=S
- Q(g);OGATE,XP(H)::QAR2(B),XQ(g)
- R(i);N_GUARD,P_PINP(J),XP(I)::B(C),XP(e)
- R(i);OGATE,XR(M)::PXR(i)=Q
- S(b);N_GUARD,XP(J)::S(E)
- S(f);N_GUARD,XP(F)::P=S
- P(d);OGATEB,XS(E)::QAB(B)
- P(d);OGATEB::QAB(B)
- Q(g);N_GUARD::P=S
- Q(g);N_GUARD::S(E),XQ(g)
- Q(g);N_GUARD::S(E)
- S(b);N_GUARD::S(E)
- S(f);N_GUARD::P=S
- Refutation
- P(e);N_SPINP(e),XB(C)
- Try
- Q(B);
- Vars
- S(b);CHECK,N_GUARD::S(E),XS(b)
- S(f);CHECK,OGATE::PXS(f)=S
- R(i);N_GUARD,P_PINP(J),XP(I)::B(C),XP(e)
- R(i);OGATE,XR(M)::PXR(i)=Q
- S(b);N_GUARD,XP(J)::S(E)
- S(f);N_GUARD,XP(F)::P=S
- P(d);OGATEB,XS(E)::QAB(B)
- P(d);OGATEB::QAB(B)
- Q(g);N_GUARD::P=S
- Q(g);N_GUARD::S(E),XQ(g)
- Q(g);N_GUARD::S(E)
- S(b);N_GUARD::S(E)
- S(f);N_GUARD::P=S
- Refutation
- Q(g);XP(H)
- Try
- Q(B);
- Vars
- S(b);CHECK,N_GUARD::S(E),XS(b)
- S(f);CHECK,OGATE::PXS(f)=S
- Q(g);N_GUARD,XQ(B)::P=S
- R(i);N_GUARD,P_PINP(J),XP(I)::B(C),XP(e)
- R(i);OGATE,XR(M)::PXR(i)=Q
- S(b);N_GUARD,XP(J)::S(E)
- S(f);N_GUARD,XP(F)::P=S
- Q(g);N_GUARD::S(E),XQ(g)
- Q(g);N_GUARD::S(E)
- S(b);N_GUARD::S(E)
- S(f);N_GUARD::P=S
- Refutation
- Q(g);XP(H)
- Try
- Q(B);
- Vars
- S(b);CHECK,N_GUARD::S(E),XS(b)
- S(f);CHECK,OGATE::PXS(f)=S
- Q(g);OGATE,XP(H)::QAR2(B),XQ(g)
- R(i);N_GUARD,P_PINP(J),XP(I)::B(C),XP(e)
- R(i);OGATE,XR(M)::PXR(i)=Q
- S(b);N_GUARD,XP(J)::S(E)
- P(d);OGATEB,XS(E)::QAB(B)
- P(d);OGATEB::QAB(B)
- Q(g);N_GUARD::P=S
- Q(g);N_GUARD::S(E),XQ(g)
- Q(g);N_GUARD::S(E)
- S(b);N_GUARD::S(E)
- S(f);N_GUARD::P=S
- Refutation
- S(f);XP(F)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- S(b);CHECK,N_GUARD::S(E),XS(b)
- S(f);CHECK,OGATE::PXS(f)=S
- Q(g);XQ(B)::S(E),XQ(g)
- Q(g);OGATE,XP(H)::QAR2(B),XQ(g)
- Refutation
- Q(g);
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,N_GUARD::S(E),XS(b)
- S(f);CHECK,OGATE::PXS(f)=S
- Q(g);N_GUARD::QAR1(H),XQ(g)
- Refutation
- Q(g);XQ(H)
- Try
- Actual
- K(K);S_FLIGHT
- Vars
- R(i);CHECK,OGATE,XR(M)::PXR(i)=Q
- S(b);CHECK,N_GUARD::S(E),XS(b)
- Q(g);OGATE,XP(H)::QAR2(B),XQ(g)
- R(i);N_GUARD,XP(I)::B(C),XP(e)
- S(b);N_GUARD,XP(J)::S(E)
- S(f);N_GUARD,XP(F)::P=S
- P(d);OGATEB,XS(E)::QAB(B)
- P(d);OGATEB::QAB(B)
- Q(g);N_GUARD::P=S
- Q(g);N_GUARD::S(E),XQ(g)
- Q(g);N_GUARD::S(E)
- S(b);N_GUARD::S(E)
- S(f);N_GUARD::P=S
- S(f);OGATE::PXS(f)=S
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).