MESON Chess Problem Database
Problem Display
PID: 208824 (q1n3B1/b4N2/Q4R1B/4p3/4k3/3brn2/1P2N3/K2R4 w - - 0 1)
Anonymous
Buffalo Globe, 1876
#2
9 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Bh7#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Rxe2
- 2.Qxd3#
- 1...Bb1
- 2.Sg3#
- 2.Bh7#
- 1...Bc2
- 2.Sg3#
- 2.Bh7#
- 1...Bxe2
- 2.Bh7#
- 1...Bc4
- 2.Sg3#
- 2.Bh7#
- 1...Bb5
- 2.Sg3#
- 2.Bh7#
- 1...Bxa6
- 2.Sg3#
- 2.Bh7#
- 1...Bd4
- 2.Qxa8#
- 1...Bc5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bb8
- 2.Qxa8#
- 1...Se1
- 2.Sg5#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Qd5
- Tries
- 1.Bg7?
- 1...Rxe2
- 2.Qxd3#
- 1...Bxe2
- 2.Bh7#
- 1...Bxa6
- 2.Sg3#
- 2.Bh7#
- 1...Se1
- 2.Sg5#
- 1...Qd5
- 2.Bh7#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Bb1
- 2.Sg3#
- 2.Bh7#
- 1...Bc2
- 2.Sg3#
- 2.Bh7#
- 1...Bc4
- 2.Sg3#
- 2.Bh7#
- 1...Bb5
- 2.Sg3#
- 2.Bh7#
- 1...Bd4
- 2.Qxa8#
- 1...Bc5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bb8
- 2.Qxa8#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Kd5!
- 1...Rxe2
- 1.Rd2?
- 1...Rxe2
- 2.Qxd3#
- 1...Bxe2
- 2.Bh7#
- 1...Bxa6
- 2.Sg3#
- 2.Bh7#
- 1...Sxd2
- 2.Sg5#
- 1...Se1
- 2.Sg5#
- 1...Qd5
- 2.Bh7#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Bb1
- 2.Sg3#
- 2.Bh7#
- 1...Bc2
- 2.Sg3#
- 2.Bh7#
- 1...Bc4
- 2.Sg3#
- 2.Bh7#
- 1...Bb5
- 2.Sg3#
- 2.Bh7#
- 1...Bd4
- 2.Qxa8#
- 1...Bc5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bb8
- 2.Qxa8#
- 1...Sg1
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Kd5!
- 1...Rxe2
- 1.Rf4+?
- 1...Kd5
- 2.Qc4#
- 1...exf4!
- 1...Kd5
- 1.Qc4+?
- 1...Bxc4
- 2.Sg3#
- 2.Bh7#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 2.Bh7#
- 1...Bd4+!
- 1...Bxc4
- 1.Qa2?
- threat
- 2.Bh7#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Rxe2!
- threat
- 1.Qa4+?
- 1...Bc4
- 2.Sg3#
- 2.Bh7#
- 1...Bd4
- 2.Sc3#
- 2.Qxa8#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 1...Kd5!
- 1...Bc4
- 1.Qa5?
- threat
- 2.Bh7#
- 1...Bc5
- 2.Qxa8#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 2.Qxe5#
- 1...Sh4
- 2.Sg5#
- 2.Qxe5#
- 1...Sg5
- 2.Sxg5#
- 2.Qxe5#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Rxe2!
- threat
- 1.b3?
- 1...Kd5
- 2.Qc4#
- 1...Rxe2
- 2.Qxd3#
- 1...Bxe2
- 2.Bh7#
- 1...Bxa6
- 2.Sg3#
- 2.Bh7#
- 1...Se1
- 2.Sg5#
- 1...Qd5
- 2.Bh7#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Bb1
- 2.Sg3#
- 2.Bh7#
- 1...Bc2
- 2.Sg3#
- 2.Bh7#
- 1...Bc4
- 2.Sg3#
- 2.Bh7#
- 1...Bb5
- 2.Sg3#
- 2.Bh7#
- 1...Bc5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bb8
- 2.Qxa8#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Bd4+!
- 1...Kd5
- 1.b4?
- 1...Kd5
- 2.Sg5#
- 2.Sd6#
- 1...Rxe2
- 2.Qxd3#
- 1...Bxe2
- 2.Bh7#
- 1...Bxa6
- 2.Sg3#
- 2.Bh7#
- 1...Se1
- 2.Sg5#
- 1...Qd5
- 2.Bh7#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Bb1
- 2.Sg3#
- 2.Bh7#
- 1...Bc2
- 2.Sg3#
- 2.Bh7#
- 1...Bc4
- 2.Sg3#
- 2.Bh7#
- 1...Bb5
- 2.Sg3#
- 2.Bh7#
- 1...Bc5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bb8
- 2.Qxa8#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Bd4+!
- 1...Kd5
- 1.Bg7?
- Keys
- 1.Bf8!
- 1...Kd5
- 2.Sg5#
- 1...Rxe2
- 2.Qxd3#
- 1...Bxe2
- 2.Bh7#
- 1...Bxa6
- 2.Sg3#
- 2.Bh7#
- 1...Se1
- 2.Sg5#
- 1...Qd5
- 2.Bh7#
- 1...Qc6
- 2.Qxc6#
- 1...Qb7
- 2.Qxb7#
- 1...Qb8
- 2.Qc6#
- 1...Bb1
- 2.Sg3#
- 2.Bh7#
- 1...Bc2
- 2.Sg3#
- 2.Bh7#
- 1...Bc4
- 2.Sg3#
- 2.Bh7#
- 1...Bb5
- 2.Sg3#
- 2.Bh7#
- 1...Bd4
- 2.Qxa8#
- 1...Bc5
- 2.Qxa8#
- 1...Bb6
- 2.Qxa8#
- 1...Bb8
- 2.Qxa8#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sc3#
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Se7
- 2.Sd6#
- 1...Kd5
- 1.Bf8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(g);SBLOCK::B(I)
- Q(g);N_GUARD::QAB(E),XQ(g)
- Q(g);N_GUARD::QAB(E)
- R(b);N_GUARD,XS(D)::QAB1(E),XB(a)
- B(a);XS(D)::B(I)
- B(f);OGATE,P_PINP(C),P_PINQ(E)::QAB(E),XQ(g)
- B(f);OGATE,P_PINQ(E)::QAB(E),XQ(g)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- Tries
- Try
- B(G);
- Vars
- R(b);N_GUARD,XS(D)::QAB1(E),XB(a)
- B(a);XS(D)::B(I)
- S(c);N_GUARD::S(H)
- Q(g);SBLOCK::B(I)
- Q(g);N_GUARD::QAB(E),XQ(g)
- Q(g);N_GUARD::QAB(E)
- B(f);OGATE,P_PINP(C),P_PINQ(E)::QAB(E),XQ(g)
- B(f);OGATE,P_PINQ(E)::QAB(E),XQ(g)
- S(c);N_GUARD::S(H),XS(c)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- Refutation
- K(d);P_SPINB(a),S_FLIGHT
- Try
- R(B);
- Vars
- R(b);N_GUARD,XS(D)::QAB1(E),XB(a)
- B(a);XS(D)::B(I)
- S(c);N_GUARD,XR(B)::S(H)
- S(c);N_GUARD::S(H)
- Q(g);SBLOCK::B(I)
- Q(g);N_GUARD::QAB(E),XQ(g)
- Q(g);N_GUARD::QAB(E)
- B(f);OGATE,P_PINP(C),P_PINQ(E)::QAB(E),XQ(g)
- B(f);OGATE,P_PINQ(E)::QAB(E),XQ(g)
- S(c);N_GUARD::S(H),XS(c)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- Refutation
- K(d);P_SPINB(a),S_FLIGHT
- Try
- R(F);CHECK
- Vars
- K(d);P_SPINB(a),S_FLIGHT::QAB1(E)
- Refutation
- P(e);XR(F)
- Try
- Q(E);CHECK
- Refutation
- B(f);CHECK,P_PINP(C),P_SPINB(f)
- Try
- Q(E);
- Threat
- B(I)
- Vars
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(h);N_GUARD::S(H),XS(h)
- S(h);N_GUARD::S(H)
- Refutation
- R(b);XS(D)
- Try
- Q(E);CHECK
- Refutation
- K(d);P_SPINB(a),S_FLIGHT
- Try
- Q(E);
- Threat
- B(I)
- Vars
- B(f);OGATE,P_PINQ(E)::QAB(E),XQ(g)
- S(h);N_GUARD::S(H),XS(h)
- S(h);N_GUARD::S(H)
- Refutation
- R(b);XS(D)
- Try
- P(C);
- Vars
- K(d);P_SPINB(a),S_FLIGHT::QAB1(E)
- R(b);N_GUARD,XS(D)::QAB1(E),XB(a)
- B(a);XS(D)::B(I)
- S(c);N_GUARD::S(H)
- Q(g);SBLOCK::B(I)
- Q(g);N_GUARD::QAB(E),XQ(g)
- Q(g);N_GUARD::QAB(E)
- B(f);OGATE,P_PINQ(E)::QAB(E),XQ(g)
- S(c);N_GUARD::S(H),XS(c)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- Refutation
- B(f);CHECK,P_PINQ(E)
- Try
- P(C);
- Vars
- R(b);N_GUARD,XS(D)::QAB1(E),XB(a)
- B(a);XS(D)::B(I)
- S(c);N_GUARD::S(H)
- Q(g);SBLOCK::B(I)
- Q(g);N_GUARD::QAB(E),XQ(g)
- Q(g);N_GUARD::QAB(E)
- B(f);OGATE,P_PINQ(E)::QAB(E),XQ(g)
- S(c);N_GUARD::S(H),XS(c)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- Refutation
- B(f);CHECK,P_PINQ(E)
- Try
- Actual
- B(G);
- Vars
- K(d);P_SPINB(a),S_FLIGHT::B(I)+S(H)
- R(b);N_GUARD,XS(D)::QAB1(E),XB(a)
- B(a);XS(D)::B(I)
- S(c);N_GUARD::S(H)
- Q(g);SBLOCK::B(I)
- Q(g);N_GUARD::QAB(E),XQ(g)
- Q(g);N_GUARD::QAB(E)
- B(f);OGATE,P_PINP(C),P_PINQ(E)::QAB(E),XQ(g)
- B(f);OGATE,P_PINQ(E)::QAB(E),XQ(g)
- S(c);N_GUARD::S(H),XS(c)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
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).