MESON Chess Problem Database
Problem Display
PID: 189422 (8/1n6/1n3B2/N7/Np6/1B1kpP1p/1R4qR/K4bQ1 w - - 0 1)
Anonymous
HM., Pittsburgh Gazette-Times, 1911
#2
9 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Bc2#
- 2.Qg6#
- 1...Qxf3
- 2.Bc2#
- 1...Qxg1
- 2.Bc2#
- 1...Qxb2+
- 2.Sxb2#
- 1...Qc2
- 2.Bxc2#
- 2.Qg6#
- 1...Qd2
- 2.Qg6#
- 1...Qe2
- 2.Qg6#
- 1...Qf2
- 2.Qg6#
- 1...Qxh2
- 2.Qg6#
- 1...Qg3
- 2.Bc2#
- 1...Qg4
- 2.Bc2#
- 1...Qg5
- 2.Bc2#
- 1...Qg6
- 2.Bc2#
- 2.Qxg6#
- 1...Qg7
- 2.Bc2#
- 1...Qg8
- 2.Bc2#
- 1...Be2
- 2.Qb1#
- 1...Sxa4
- 2.Bc4#
- 1...Sc4
- 2.Bxc4#
- 1...Sd5
- 2.Bc4#
- 1...Sd7
- 2.Bc4#
- 1...Sa8
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 1...Sxa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e2
- 2.Qd4#
- 1...Qh1
- Tries
- 1.Kb1?
- 1...Qxb2+
- 2.Sxb2#
- 1...Qc2+
- 2.Bxc2#
- 1...Qxf3
- 2.Bc2#
- 1...Qxg1
- 2.Bc2#
- 1...Qxh2
- 2.Qg6#
- 1...Sxa4
- 2.Bc4#
- 1...Sxa5
- 2.Sc5#
- 1...Qh1
- 2.Bc2#
- 2.Qg6#
- 1...Qd2
- 2.Qg6#
- 1...Qe2
- 2.Qg6#
- 1...Qf2
- 2.Qg6#
- 1...Qg3
- 2.Bc2#
- 1...Qg4
- 2.Bc2#
- 1...Qg5
- 2.Bc2#
- 1...Qg6
- 2.Bc2#
- 2.Qxg6#
- 1...Qg7
- 2.Bc2#
- 1...Qg8
- 2.Bc2#
- 1...Sc4
- 2.Bxc4#
- 1...Sd5
- 2.Bc4#
- 1...Sd7
- 2.Bc4#
- 1...Sa8
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e2
- 2.Qd4#
- 1...Be2!
- 1...Qxb2+
- 1.Ka2?
- 1...Qxb2+
- 2.Sxb2#
- 1...Qxf3
- 2.Bc2#
- 1...Qxg1
- 2.Bc2#
- 1...Qxh2
- 2.Qg6#
- 1...Sxa4
- 2.Bc4#
- 1...Sxa5
- 2.Sc5#
- 1...Qh1
- 2.Bc2#
- 2.Qg6#
- 1...Qc2
- 2.Bxc2#
- 2.Qg6#
- 1...Qd2
- 2.Qg6#
- 1...Qe2
- 2.Qg6#
- 1...Qf2
- 2.Qg6#
- 1...Qg3
- 2.Bc2#
- 1...Qg4
- 2.Bc2#
- 1...Qg5
- 2.Bc2#
- 1...Qg6
- 2.Bc2#
- 2.Qxg6#
- 1...Qg7
- 2.Bc2#
- 1...Be2
- 2.Qb1#
- 1...Sc4
- 2.Bxc4#
- 1...Sd5
- 2.Bc4#
- 1...Sd7
- 2.Bc4#
- 1...Sa8
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e2
- 2.Qd4#
- 1...Qg8!
- 1...Qxb2+
- 1.Ba2?
- 1...Qxb2+
- 2.Sxb2#
- 1...Qxf3
- 2.Bb1#
- 1...Qxg1
- 2.Bb1#
- 2.Rb3#
- 1...Qxh2
- 2.Qg6#
- 1...Sxa4
- 2.Bc4#
- 1...Sxa5
- 2.Sc5#
- 1...Qh1
- 2.Bb1#
- 2.Rb3#
- 2.Qg6#
- 1...Qc2
- 2.Qg6#
- 1...Qd2
- 2.Qg6#
- 1...Qe2
- 2.Qg6#
- 1...Qf2
- 2.Qg6#
- 1...Qg3
- 2.Bb1#
- 2.Rb3#
- 1...Qg4
- 2.Bb1#
- 2.Rb3#
- 1...Qg5
- 2.Bb1#
- 2.Rb3#
- 1...Qg6
- 2.Bb1#
- 2.Rb3#
- 2.Qxg6#
- 1...Qg7
- 2.Bb1#
- 2.Rb3#
- 1...Qg8
- 2.Bb1#
- 1...Be2
- 2.Bb1#
- 2.Qb1#
- 1...Sc4
- 2.Bxc4#
- 1...Sd5
- 2.Bc4#
- 1...Sd7
- 2.Bc4#
- 1...Sa8
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e2
- 2.Bb1#
- 2.Qd4#
- 1...b3!
- 1...Qxb2+
- 1.Bd5?
- threat
- 2.Be4#
- 1...Qxb2+
- 2.Sxb2#
- 1...Qxf3
- 2.Rb3#
- 1...Sxa5
- 2.Sc5#
- 1...Qg4
- 2.Rb3#
- 1...Qg6
- 2.Rb3#
- 2.Qxg6#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sxd5!
- threat
- 1.Be6?
- threat
- 2.Bf5#
- 1...Qxb2+
- 2.Sxb2#
- 1...Sxa5
- 2.Sc5#
- 1...Qg4
- 2.Rb3#
- 1...Qg5
- 2.Rb3#
- 1...Qg6
- 2.Rb3#
- 2.Qxg6#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Qxf3!
- threat
- 1.Bg7?
- 1...Qxb2+
- 2.Sxb2#
- 1...Qxf3
- 2.Bc2#
- 1...Qxg1
- 2.Bc2#
- 1...Qxh2
- 2.Qg6#
- 1...Sxa4
- 2.Bc4#
- 1...Sxa5
- 2.Sc5#
- 1...Qh1
- 2.Bc2#
- 2.Qg6#
- 1...Qc2
- 2.Bxc2#
- 2.Qg6#
- 1...Qd2
- 2.Qg6#
- 1...Qe2
- 2.Qg6#
- 1...Qf2
- 2.Qg6#
- 1...Qg3
- 2.Bc2#
- 1...Qg4
- 2.Bc2#
- 1...Qg5
- 2.Bc2#
- 1...Qg6
- 2.Bc2#
- 2.Qxg6#
- 1...Be2
- 2.Qb1#
- 1...Sc4
- 2.Bxc4#
- 1...Sd5
- 2.Bc4#
- 1...Sd7
- 2.Bc4#
- 1...Sa8
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e2
- 2.Qd4#
- 1...Qxg7!
- 1...Qxb2+
- 1.Bh8?
- 1...Qxb2+
- 2.Sxb2#
- 1...Qxf3
- 2.Bc2#
- 1...Qxg1
- 2.Bc2#
- 1...Qxh2
- 2.Qg6#
- 1...Sxa4
- 2.Bc4#
- 1...Sxa5
- 2.Sc5#
- 1...Qh1
- 2.Bc2#
- 2.Qg6#
- 1...Qc2
- 2.Bxc2#
- 2.Qg6#
- 1...Qd2
- 2.Qg6#
- 1...Qe2
- 2.Qg6#
- 1...Qf2
- 2.Qg6#
- 1...Qg3
- 2.Bc2#
- 1...Qg4
- 2.Bc2#
- 1...Qg5
- 2.Bc2#
- 1...Qg6
- 2.Bc2#
- 2.Qxg6#
- 1...Qg8
- 2.Bc2#
- 1...Be2
- 2.Qb1#
- 1...Sc4
- 2.Bxc4#
- 1...Sd5
- 2.Bc4#
- 1...Sd7
- 2.Bc4#
- 1...Sa8
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e2
- 2.Qd4#
- 1...Qg7!
- 1...Qxb2+
- 1.Ra2?
- 1...Qb2+
- 2.Sxb2#
- 1...Qxf3
- 2.Bc2#
- 1...Qxg1
- 2.Sb2#
- 2.Bc2#
- 1...Qxh2
- 2.Qg6#
- 1...Sxa4
- 2.Bc4#
- 1...Sxa5
- 2.Sc5#
- 1...Qh1
- 2.Sb2#
- 2.Bc2#
- 2.Qg6#
- 1...Qc2
- 2.Bxc2#
- 2.Qg6#
- 1...Qd2
- 2.Qg6#
- 1...Qe2
- 2.Qg6#
- 1...Qf2
- 2.Qg6#
- 1...Qg3
- 2.Sb2#
- 2.Bc2#
- 1...Qg4
- 2.Sb2#
- 2.Bc2#
- 1...Qg5
- 2.Sb2#
- 2.Bc2#
- 1...Qg6
- 2.Sb2#
- 2.Bc2#
- 2.Qxg6#
- 1...Qg7
- 2.Sb2#
- 2.Bc2#
- 1...Qg8
- 2.Sb2#
- 2.Bc2#
- 1...Be2
- 2.Qb1#
- 1...Sc4
- 2.Bxc4#
- 1...Sd5
- 2.Bc4#
- 1...Sd7
- 2.Bc4#
- 1...Sa8
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e2
- 2.Qd4#
- 1...Qxa2+!
- 1...Qb2+
- 1.Rhxg2?
- threat
- 2.Bc2#
- 1...Bxg2
- 2.Qb1#
- 2.Qd1#
- 1...Sxa5
- 2.Sc5#
- 1...Be2
- 2.Qb1#
- 1...e2
- 2.Qd4#
- 1...hxg2!
- threat
- 1.Kb1?
- Keys
- 1.Be5!
- 1...Qxb2+
- 2.Sxb2#
- 1...Qxf3
- 2.Bc2#
- 1...Qxg1
- 2.Bc2#
- 1...Qxh2
- 2.Qg6#
- 1...Sxa4
- 2.Bc4#
- 1...Sxa5
- 2.Sc5#
- 1...Qh1
- 2.Bc2#
- 2.Qg6#
- 1...Qc2
- 2.Bxc2#
- 2.Qg6#
- 1...Qd2
- 2.Qg6#
- 1...Qe2
- 2.Qg6#
- 1...Qf2
- 2.Qg6#
- 1...Qg3
- 2.Bc2#
- 1...Qg4
- 2.Bc2#
- 1...Qg5
- 2.Bc2#
- 1...Qg6
- 2.Bc2#
- 2.Qxg6#
- 1...Qg7
- 2.Bc2#
- 1...Qg8
- 2.Bc2#
- 1...Be2
- 2.Qb1#
- 1...Sc4
- 2.Bxc4#
- 1...Sd5
- 2.Bc4#
- 1...Sd7
- 2.Bc4#
- 1...Sa8
- 2.Bc4#
- 1...Sc8
- 2.Bc4#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e2
- 2.Qd4#
- 1...Qxb2+
- 1.Be5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(b);N_GUARD,XP(F)::B(E)
- Q(b);N_GUARD,XQ(B)::B(E)
- Q(b);CHECK,XR(C)::S(G),XQ(b)
- Q(b);OGATE::QAB(B)
- Q(b);OGATE,XR(D)::QAB(B)
- Q(b);N_GUARD::B(E)
- B(a);OGATE::QAB(B)
- S(g);N_GUARD,XS(G)::B(E)
- S(g);N_GUARD::B(E),XS(g)
- S(g);N_GUARD::B(E)
- S(h);N_GUARD,XS(H)::S(G)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- P(d);OGATE::QAR1(B)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- Q(b);CHECK,XR(C)::S(G),XQ(b)
- Q(b);CHECK,N_GUARD::B(E),XQ(b)
- Q(b);N_GUARD,XP(F)::B(E)
- Q(b);N_GUARD,XQ(B)::B(E)
- Q(b);OGATE,XR(D)::QAB(B)
- S(g);N_GUARD,XS(G)::B(E)
- S(h);N_GUARD,XS(H)::S(G)
- Q(b);OGATE::QAB(B)
- Q(b);N_GUARD::B(E)
- S(g);N_GUARD::B(E),XS(g)
- S(g);N_GUARD::B(E)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- P(d);OGATE::QAR1(B)
- Refutation
- B(a);
- Try
- K(A);P-FLIGHT,P_SPINR(C)
- Vars
- Q(b);CHECK,XR(C)::S(G),XQ(b)
- Q(b);N_GUARD,N_PINR(C),XP(F)::B(E)
- Q(b);N_GUARD,N_PINR(C),XQ(B)::B(E)
- Q(b);OGATE,XR(D)::QAB(B)
- S(g);N_GUARD,XS(G)::B(E)
- S(h);N_GUARD,XS(H)::S(G)
- Q(b);OGATE::QAB(B)
- Q(b);N_GUARD,N_PINR(C)::B(E)
- B(a);N_PINR(C),OGATE::QAB(B)
- S(g);N_GUARD::B(E),XS(g)
- S(g);N_GUARD::B(E)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- P(d);N_PINR(C),OGATE::QAR1(B)
- Refutation
- Q(b);N_PINR(C),P_PINB(E)
- Try
- B(E);
- Vars
- Q(b);CHECK,XR(C)::S(G),XQ(b)
- Q(b);N_GUARD,XP(F)::B(E)
- Q(b);OGATE,XR(D)::QAB(B)
- S(g);N_GUARD,XS(G)::B(E)
- S(h);N_GUARD,XS(H)::S(G)
- Q(b);OGATE::QAB(B)
- Q(b);N_GUARD::B(E)
- S(g);N_GUARD::B(E),XS(g)
- S(g);N_GUARD::B(E)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- Refutation
- P(f);
- Try
- B(E);
- Threat
- B(E)
- Vars
- Q(b);CHECK,XR(C)::S(G),XQ(b)
- Q(b);XP(F)::R(C)
- S(h);N_GUARD,XS(H)::S(G)
- Q(b);::R(C)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- Refutation
- S(g);XB(E)
- Try
- B(E);
- Threat
- B(E)
- Vars
- Q(b);CHECK,XR(C)::S(G),XQ(b)
- S(h);N_GUARD,XS(H)::S(G)
- Q(b);::R(C)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- Refutation
- Q(b);XP(F)
- Try
- B(I);
- Vars
- Q(b);CHECK,XR(C)::S(G),XQ(b)
- Q(b);N_GUARD,XP(F)::B(E)
- Q(b);N_GUARD,XQ(B)::B(E)
- Q(b);OGATE,XR(D)::QAB(B)
- S(g);N_GUARD,XS(G)::B(E)
- S(h);N_GUARD,XS(H)::S(G)
- Q(b);OGATE::QAB(B)
- Q(b);N_GUARD::B(E)
- B(a);OGATE::QAB(B)
- S(g);N_GUARD::B(E),XS(g)
- S(g);N_GUARD::B(E)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- P(d);OGATE::QAR1(B)
- Refutation
- Q(b);P_PINR(C),XB(I)
- Try
- B(I);
- Vars
- Q(b);CHECK,XR(C)::S(G),XQ(b)
- Q(b);N_GUARD,XP(F)::B(E)
- Q(b);N_GUARD,XQ(B)::B(E)
- Q(b);OGATE,XR(D)::QAB(B)
- S(g);N_GUARD,XS(G)::B(E)
- S(h);N_GUARD,XS(H)::S(G)
- Q(b);OGATE::QAB(B)
- Q(b);N_GUARD::B(E)
- B(a);OGATE::QAB(B)
- S(g);N_GUARD::B(E),XS(g)
- S(g);N_GUARD::B(E)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- P(d);OGATE::QAR1(B)
- Refutation
- Q(b);P_PINR(C)
- Try
- R(C);
- Vars
- Q(b);CHECK,N_GUARD::S(G),XQ(b)
- Q(b);N_GUARD,XP(F)::B(E)
- Q(b);OGATE,XR(D)::QAB(B)
- S(g);N_GUARD,XS(G)::B(E)
- S(h);N_GUARD,XS(H)::S(G)
- Q(b);OGATE::QAB(B)
- B(a);OGATE::QAB(B)
- S(g);N_GUARD::B(E),XS(g)
- S(g);N_GUARD::B(E)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- P(d);OGATE::QAR1(B)
- Refutation
- Q(b);CHECK,XR(C)
- Try
- R(D);XQ(b)
- Threat
- B(E)
- Vars
- S(h);N_GUARD,XS(H)::S(G)
- B(a);OGATE::QAB(B)
- P(d);OGATE::QAR1(B)
- Refutation
- P(e);XR(D)
- Try
- Actual
- B(I);
- Vars
- Q(b);CHECK,XR(C)::S(G),XQ(b)
- Q(b);N_GUARD,XP(F)::B(E)
- Q(b);N_GUARD,XQ(B)::B(E)
- Q(b);OGATE,XR(D)::QAB(B)
- S(g);N_GUARD,XS(G)::B(E)
- S(h);N_GUARD,XS(H)::S(G)
- Q(b);OGATE::QAB(B)
- Q(b);N_GUARD::B(E)
- B(a);OGATE::QAB(B)
- S(g);N_GUARD::B(E),XS(g)
- S(g);N_GUARD::B(E)
- S(h);N_GUARD::S(G),XS(h)
- S(h);N_GUARD::S(G)
- P(d);OGATE::QAR1(B)
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).