MESON Chess Problem Database
Problem Display
PID: 193649 (4n2N/2p1q1pp/2p3p1/2N1k3/4n1P1/pBPRBRP1/K7/4Q3 w - - 0 1)
Fink, Adolf Jay
Pittsburgh Gazette-Times, 1915
#2
11 + 10
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qh4
- 2.Sd7#
- 2.Sf7#
- 1...Qxc5
- 2.Sf7#
- 1...Qg5
- 2.Sd7#
- 2.Sf7#
- 1...Qd6
- 2.Sf7#
- 1...Qf6
- 2.Sd7#
- 1...Qd8
- 2.Sf7#
- 1...Qf8
- 2.Sd7#
- 1...Qd7
- 2.Sxd7#
- 1...Qf7
- 2.Sxf7#
- 1...Sd2
- 2.Bxd2#
- 1...Sf2
- 2.Bxf2#
- 1...Sxc3+
- 2.Qxc3#
- 1...Sxg3
- 2.Qxg3#
- 1...Sxc5
- 2.Bxc5#
- 1...Sg5
- 2.Bxg5#
- 1...S4d6
- 2.Bd4#
- 1...S4f6
- 2.Bf4#
- 1...S8d6
- 2.Bd4#
- 1...S8f6
- 2.Bf4#
- 1...g5
- 2.Rf5#
- 1...h5
- 2.Sxg6#
- 1...h6
- 2.Sxg6#
- 1...Qh4
- Tries
- 1.Bc4?
- 1...Sxc3+
- 2.Qxc3#
- 1...Qxc5
- 2.Sf7#
- 1...Sxg3
- 2.Qxg3#
- 1...Sxc5
- 2.Bxc5#
- 1...Qh4
- 2.Sd7#
- 2.Sf7#
- 1...Qg5
- 2.Sd7#
- 2.Sf7#
- 1...Qd6
- 2.Sf7#
- 1...Qf6
- 2.Sd7#
- 1...Qd8
- 2.Sf7#
- 1...Qf8
- 2.Sd7#
- 1...Qd7
- 2.Sxd7#
- 1...Qf7
- 2.Sxf7#
- 1...Sd2
- 2.Bxd2#
- 1...Sf2
- 2.Bxf2#
- 1...Sg5
- 2.Bxg5#
- 1...S4d6
- 2.Bd4#
- 1...S4f6
- 2.Bf4#
- 1...S8d6
- 2.Bd4#
- 1...S8f6
- 2.Bf4#
- 1...g5
- 2.Rf5#
- 1...h5
- 2.Sxg6#
- 1...h6
- 2.Sxg6#
- 1...Qe6!
- 1...Sxc3+
- 1.Bc1?
- threat
- 2.Qxe4#
- 1...Qxc5
- 2.Sf7#
- 1...Sf6
- 2.Bf4#
- 1...Sd6!
- threat
- 1.Bg1?
- threat
- 2.Qxe4#
- 1...Qxc5
- 2.Sf7#
- 1...Sd6
- 2.Bd4#
- 1...Sf6!
- threat
- 1.Bd2?
- threat
- 2.Qxe4#
- 1...Qxc5
- 2.Sf7#
- 1...Sf6
- 2.Bf4#
- 1...Sd6!
- threat
- 1.Bf2?
- threat
- 2.Qxe4#
- 1...Qxc5
- 2.Sf7#
- 1...Sd6
- 2.Bd4#
- 1...Sf6!
- threat
- 1.Bg5?
- threat
- 2.Qxe4#
- 1...Qxc5
- 2.Sf7#
- 1...Sf6
- 2.Bf4#
- 1...Sd6!
- threat
- 1.Bh6?
- threat
- 2.Qxe4#
- 1...Qxc5
- 2.Sf7#
- 1...Sf6
- 2.Bf4#
- 1...Sd6!
- threat
- 1.Rd7?
- threat
- 2.Sd3#
- 2.Bd4#
- 1...Sxc3+
- 2.Qxc3#
- 1...Qxc5
- 2.Sf7#
- 1...Sxg3
- 2.Bd4#
- 2.Qxg3#
- 1...Sxc5
- 2.Bd4#
- 2.Bxc5#
- 1...Qd6
- 2.Sf7#
- 1...Sd2
- 2.Bxd2#
- 2.Bd4#
- 1...Sf2
- 2.Bxf2#
- 2.Bd4#
- 1...Sg5
- 2.Bd4#
- 2.Bxg5#
- 1...S4d6
- 2.Bd4#
- 2.Rxe7#
- 1...S4f6
- 2.Bd4#
- 2.Bf4#
- 1...Qxd7!
- threat
- 1.Rd8?
- threat
- 2.Sd3#
- 2.Bd4#
- 1...Sxc3+
- 2.Qxc3#
- 1...Qxc5
- 2.Sf7#
- 1...Qxd8
- 2.Sf7#
- 1...Sxg3
- 2.Bd4#
- 2.Qxg3#
- 1...Sxc5
- 2.Bd4#
- 2.Bxc5#
- 1...Qd6
- 2.Sf7#
- 1...Sd2
- 2.Bxd2#
- 2.Bd4#
- 1...Sf2
- 2.Bxf2#
- 2.Bd4#
- 1...Sg5
- 2.Bd4#
- 2.Bxg5#
- 1...S4d6
- 2.Bd4#
- 1...S4f6
- 2.Bd4#
- 2.Bf4#
- 1...Qd7!
- threat
- 1.Rf7?
- threat
- 2.Bf4#
- 1...Sxc3+
- 2.Qxc3#
- 1...Qg5
- 2.Sd7#
- 1...Qf6
- 2.Sd7#
- 1...g5
- 2.Rf5#
- 1...Qxf7!
- threat
- 1.Rf8?
- threat
- 2.Bf4#
- 1...Sxc3+
- 2.Qxc3#
- 1...Qxf8
- 2.Sd7#
- 1...Qg5
- 2.Sd7#
- 1...Qf6
- 2.Sd7#
- 1...g5
- 2.Rf5#
- 1...Qf7!
- threat
- 1.Bc4?
- Keys
- 1.Sxe4!
- threat
- 2.Bd4#
- 2.Bf4#
- 1...Kxe4
- 2.Bc1#
- 2.Bg1#
- 2.Bd2#
- 2.Bf2#
- 2.Bd4#
- 2.Bf4#
- 2.Bc5#
- 2.Bg5#
- 2.Bb6#
- 2.Bh6#
- 2.Ba7#
- 1...Qb4
- 2.Bf4#
- 1...Qc5
- 2.Bf4#
- 1...Qg5
- 2.Bd4#
- 1...Qd6
- 2.Bf4#
- 1...Qf6
- 2.Bd4#
- 1...Qd8
- 2.Bf4#
- 1...Qf8
- 2.Bd4#
- 1...Qd7
- 2.Bf4#
- 1...Qf7
- 2.Bd4#
- 1...c5
- 2.Bf4#
- 1...g5
- 2.Bd4#
- threat
- 1.Sxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 8
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- Q(g);N_GUARD,XS(J)::S(K)
- Q(g);N_GUARD::S(K)
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::S(J),XQ(g)
- Q(g);N_GUARD,P_PINB(C)::S(K),XQ(g)
- S(b);OGATEB::QAR(A)+B(F),XS(b)
- S(b);CHECK,OGATE,XP(D)::QAB(A),XS(b)
- S(b);OGATE,XP(H)::QAB(A),XS(b)
- S(b);OGATE,XS(J)::QAR(A)+B(F),XS(b)
- S(b);SBLOCK::QAR(A)+B(F),DCHECK
- S(j);SBLOCK::B(F)
- P(e);N_GUARD::R1(G)
- P(i);N_GUARD::S(K),XP(e)
- Tries
- Try
- B(C);
- Vars
- S(b);CHECK,OGATE,XP(D)::QAB(A),XS(b)
- Q(g);N_GUARD,XS(J)::S(K)
- S(b);OGATE,XP(H)::QAB(A),XS(b)
- S(b);OGATE,XS(J)::QAR(A)+B(F),XS(b)
- Q(g);N_GUARD::S(K)
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::S(J),XQ(g)
- Q(g);N_GUARD,P_PINB(C)::S(K),XQ(g)
- S(b);OGATEB::QAR(A)+B(F),XS(b)
- S(b);SBLOCK::QAR(A)+B(F),DCHECK
- S(j);SBLOCK::B(F)
- P(e);N_GUARD::R1(G)
- P(i);N_GUARD::S(K),XP(e)
- Refutation
- Q(g);P_PINB(C)
- Try
- B(F);P_PINS(b)
- Threat
- QAR1(A),XS(b)
- Vars
- Q(g);N_GUARD,XS(J)::S(K)
- S(j);SBLOCK::B(F)
- Refutation
- S(j);
- Try
- B(F);P_PINS(b)
- Threat
- QAR1(A),XS(b)
- Vars
- Q(g);N_GUARD,XS(J)::S(K)
- S(j);SBLOCK::B(F)
- Refutation
- S(j);
- Try
- B(F);P_PINS(b)
- Threat
- QAR1(A),XS(b)
- Vars
- Q(g);N_GUARD,XS(J)::S(K)
- S(j);SBLOCK::B(F)
- Refutation
- S(j);
- Try
- B(F);P_PINS(b)
- Threat
- QAR1(A),XS(b)
- Vars
- Q(g);N_GUARD,XS(J)::S(K)
- S(j);SBLOCK::B(F)
- Refutation
- S(j);
- Try
- B(F);P_PINS(b)
- Threat
- QAR1(A),XS(b)
- Vars
- Q(g);N_GUARD,XS(J)::S(K)
- S(j);SBLOCK::B(F)
- Refutation
- S(j);
- Try
- B(F);P_PINS(b)
- Threat
- QAR1(A),XS(b)
- Vars
- Q(g);N_GUARD,XS(J)::S(K)
- S(j);SBLOCK::B(F)
- Refutation
- S(j);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,OGATE,XP(D)::QAB(A),XS(b)
- Q(g);N_GUARD,XS(J)::S(K)
- Q(g);N_GUARD::S(K)
- Refutation
- Q(g);XR(E)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- S(b);CHECK,OGATE,XP(D)::QAB(A),XS(b)
- Q(g);N_GUARD,XS(J)::S(K)
- Q(g);N_GUARD,XR(E)::S(K)
- Q(g);N_GUARD::S(K)
- S(b);::QAR(A)+B(F),DCHECK
- Refutation
- Q(g);
- Try
- R(G);
- Threat
- B(F)
- Vars
- S(b);CHECK,OGATE,XP(D)::QAB(A),XS(b)
- Q(g);N_GUARD::S(J)
- P(e);N_GUARD::R1(G)
- Refutation
- Q(g);P_PINB(C),XR(G)
- Try
- R(G);
- Threat
- B(F)
- Vars
- S(b);CHECK,OGATE,XP(D)::QAB(A),XS(b)
- Q(g);N_GUARD,XR(G)::S(J)
- Q(g);N_GUARD::S(J)
- P(e);N_GUARD::R1(G)
- Refutation
- Q(g);P_PINB(C)
- Try
- Actual
- S(J);XS(b)
- Threat
- DUALS(2)
- Vars
- Q(g);::B(F)
- Q(g);P_PINB(C)::B(F)
- P(d);::B(F)
- P(e);::B(F)
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).