MESON Chess Problem Database
Problem Display
PID: 143275 (3N4/4p2B/1p1P1p1B/2p1k1p1/2PR3N/Q7/1P3b2/1K4n1 w - - 0 1)
Pulitzer, Walter
British Chess Magazine, 1893
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qc3#
- 1...Be1
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Bxd4
- 2.Qg3#
- 1...Bxh4
- 2.Qe3#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...gxh4
- 2.Rd5#
- 1...g4
- 2.Rd5#
- 1...b5
- 2.Qxc5#
- 1...f5
- 2.Bg7#
- 1...exd6
- 2.Re4#
- 1...e6
- 2.Sc6#
- 1...Kxd4
- Tries
- 1.Ka1?
- 1...Kxd4
- 2.Qc3#
- 1...Bxd4
- 2.Qg3#
- 1...Bxh4
- 2.Qe3#
- 1...gxh4
- 2.Rd5#
- 1...exd6
- 2.Re4#
- 1...f5
- 2.Bg7#
- 1...Be1
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...g4
- 2.Rd5#
- 1...b5
- 2.Qxc5#
- 1...e6
- 2.Sc6#
- 1...cxd4!
- 1...Kxd4
- 1.Ka2?
- 1...Kxd4
- 2.Qc3#
- 1...Bxd4
- 2.Qg3#
- 1...Bxh4
- 2.Qe3#
- 1...gxh4
- 2.Rd5#
- 1...exd6
- 2.Re4#
- 1...f5
- 2.Bg7#
- 1...Be1
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...g4
- 2.Rd5#
- 1...b5
- 2.Qxc5#
- 1...e6
- 2.Sc6#
- 1...cxd4!
- 1...Kxd4
- 1.Kc2?
- 1...Kxd4
- 2.Qc3#
- 1...Bxd4
- 2.Qg3#
- 1...Bxh4
- 2.Qe3#
- 1...gxh4
- 2.Rd5#
- 1...exd6
- 2.Re4#
- 1...f5
- 2.Bg7#
- 1...Be1
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...g4
- 2.Rd5#
- 1...b5
- 2.Qxc5#
- 1...e6
- 2.Sc6#
- 1...cxd4!
- 1...Kxd4
- 1.Sg2?
- threat
- 2.Rd5#
- 1...Kxd4
- 2.Qc3#
- 1...Bxd4
- 2.Qg3#
- 1...f5
- 2.Bg7#
- 1...e6
- 2.Sc6#
- 1...cxd4!
- threat
- 1.Sg6+?
- 1...Kf5
- 2.Qd3#
- 1...Kxd4!
- 1...Kf5
- 1.Sf7+?
- 1...Kxd4
- 2.Qc3#
- 2.Qd3#
- 1...Ke6!
- 1...Kxd4
- 1.Bg6?
- 1...Kxd4
- 2.Qc3#
- 1...Bxd4
- 2.Qg3#
- 1...Bxh4
- 2.Qe3#
- 1...gxh4
- 2.Rd5#
- 1...exd6
- 2.Re4#
- 1...f5
- 2.Bg7#
- 1...Be1
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...g4
- 2.Rd5#
- 1...b5
- 2.Qxc5#
- 1...e6
- 2.Sc6#
- 1...cxd4!
- 1...Kxd4
- 1.Qd3?
- threat
- 2.Sg6#
- 2.Re4#
- 2.Qe4#
- 1...Bxd4
- 2.Qg3#
- 1...Bxh4
- 2.Re4#
- 2.Qe4#
- 2.Qe3#
- 1...gxh4
- 2.Bf4#
- 2.Re4#
- 2.Rd5#
- 2.Qe4#
- 1...f5
- 2.Bg7#
- 1...cxd4!
- threat
- 1.Qf3?
- threat
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 1...Kxd4
- 2.Qe4#
- 2.Qc3#
- 1...Bxd4
- 2.Qg3#
- 1...Sxf3
- 2.Sxf3#
- 1...f5
- 2.Bg7#
- 1...e6
- 2.Sc6#
- 2.Qe4#
- 1...cxd4!
- threat
- 1.Qg3+?
- 1...Kxd4
- 2.Qc3#
- 1...Bxg3!
- 1...Kxd4
- 1.Qh3?
- threat
- 2.Sc6#
- 1...Kxd4
- 2.Qc3#
- 1...Bxd4
- 2.Qh2#
- 2.Qg3#
- 1...Sxh3
- 2.Sf3#
- 1...f5
- 2.Bg7#
- 1...g4
- 2.Rd5#
- 1...cxd4!
- threat
- 1.dxe7?
- 1...Kxd4
- 2.Qc3#
- 1...Bxd4
- 2.Qg3#
- 1...Bxh4
- 2.Qe3#
- 1...gxh4
- 2.Rd5#
- 1...f5
- 2.Bg7#
- 1...b5
- 2.Qxc5#
- 1...Be1
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...g4
- 2.Rd5#
- 1...cxd4!
- 1...Kxd4
- 1.d7?
- 1...Kxd4
- 2.Qc3#
- 1...Bxd4
- 2.Qg3#
- 1...Bxh4
- 2.Qe3#
- 1...gxh4
- 2.Rd5#
- 1...f5
- 2.Bg7#
- 1...b5
- 2.Qxc5#
- 1...Be1
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...g4
- 2.Rd5#
- 1...e6
- 2.Sc6#
- 1...cxd4!
- 1...Kxd4
- 1.Ka1?
- Keys
- 1.Bc2!
- 1...Kxd4
- 2.Qc3#
- 1...Bxd4
- 2.Qg3#
- 1...Bxh4
- 2.Qe3#
- 1...cxd4
- 2.Sg6#
- 1...gxh4
- 2.Rd5#
- 1...exd6
- 2.Re4#
- 1...f5
- 2.Bg7#
- 1...Be1
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bg3
- 2.Qe3#
- 1...Se2
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...g4
- 2.Rd5#
- 1...b5
- 2.Qxc5#
- 1...e6
- 2.Sc6#
- 1...Kxd4
- 1.Bc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- B(b);N_GUARD::QAR2(C)
- B(b);N_GUARD::QAR2(C),XB(b)
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- B(b);N_GUARD,XS(F)::QAR2(C)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(e);XS(F)::R1(E)
- P(e);::R1(E)
- P(f);N_GUARD::QAR2(C),XP(c)
- P(g);OGATEB::B(H)
- P(h);SBLOCK,XP(G)::R1(E)
- P(h);SBLOCK::S(J)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- B(b);N_GUARD,P_PINP(B),SBLOCK,XR(E)::QAB(C)
- B(b);N_GUARD,XS(F)::QAR2(C)
- P(e);XS(F)::R1(E)
- P(h);SBLOCK,XP(G)::R1(E)
- P(g);OGATEB::B(H)
- B(b);N_GUARD::QAR2(C)
- B(b);N_GUARD::QAR2(C),XB(b)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(e);::R1(E)
- P(f);N_GUARD::QAR2(C),XP(c)
- P(h);SBLOCK::S(J)
- Refutation
- P(c);XR(E)
- Try
- K(A);S_FLIGHT
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- B(b);N_GUARD,XS(F)::QAR2(C)
- P(e);XS(F)::R1(E)
- P(h);SBLOCK,XP(G)::R1(E)
- P(g);OGATEB::B(H)
- B(b);N_GUARD::QAR2(C)
- B(b);N_GUARD::QAR2(C),XB(b)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(e);::R1(E)
- P(f);N_GUARD::QAR2(C),XP(c)
- P(h);SBLOCK::S(J)
- Refutation
- P(c);XR(E)
- Try
- K(A);S_FLIGHT
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- B(b);N_GUARD,XS(F)::QAR2(C)
- P(e);XS(F)::R1(E)
- P(h);SBLOCK,XP(G)::R1(E)
- P(g);OGATEB::B(H)
- B(b);N_GUARD::QAR2(C)
- B(b);N_GUARD::QAR2(C),XB(b)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(e);::R1(E)
- P(f);N_GUARD::QAR2(C),XP(c)
- P(h);SBLOCK::S(J)
- Refutation
- P(c);XR(E)
- Try
- S(F);
- Threat
- R1(E)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- P(g);OGATEB::B(H)
- P(h);SBLOCK::S(J)
- Refutation
- P(c);XR(E)
- Try
- S(F);CHECK
- Vars
- K(d);P-FLIGHT::QAB(C)
- Refutation
- K(d);S_FLIGHT,XR(E)
- Try
- S(J);CHECK
- Refutation
- K(d);P-FLIGHT
- Try
- B(I);
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- B(b);N_GUARD,XS(F)::QAR2(C)
- P(e);XS(F)::R1(E)
- P(h);SBLOCK,XP(G)::R1(E)
- P(g);OGATEB::B(H)
- B(b);N_GUARD::QAR2(C)
- B(b);N_GUARD::QAR2(C),XB(b)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(e);::R1(E)
- P(f);N_GUARD::QAR2(C),XP(c)
- P(h);SBLOCK::S(J)
- Refutation
- P(c);XR(E)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- P(g);OGATEB::B(H)
- Refutation
- P(c);XR(E)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- S(a);XQ(C)::S(F),XS(a)
- P(g);OGATEB::B(H)
- Refutation
- P(c);XR(E)
- Try
- Q(C);CHECK
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- Refutation
- B(b);XQ(C)
- Try
- Q(C);
- Threat
- S(J)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- S(a);N_GUARD,XQ(C)::S(F)
- P(g);OGATEB::B(H)
- P(e);::R1(E)
- Refutation
- P(c);XR(E)
- Try
- P(G);XP(h)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- B(b);N_GUARD,XS(F)::QAR2(C)
- P(e);XS(F)::R1(E)
- P(g);OGATEB::B(H)
- P(f);N_GUARD::QAR2(C),XP(c)
- B(b);N_GUARD::QAR2(C)
- B(b);N_GUARD::QAR2(C),XB(b)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(e);::R1(E)
- Refutation
- P(c);XR(E)
- Try
- P(G);
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- B(b);N_GUARD,XS(F)::QAR2(C)
- P(e);XS(F)::R1(E)
- P(g);OGATEB::B(H)
- P(f);N_GUARD::QAR2(C),XP(c)
- B(b);N_GUARD::QAR2(C)
- B(b);N_GUARD::QAR2(C),XB(b)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(e);::R1(E)
- P(h);SBLOCK::S(J)
- Refutation
- P(c);XR(E)
- Try
- Actual
- B(I);
- Vars
- K(d);OGATEB,S_FLIGHT,XR(E)::QAB1(C)
- B(b);N_GUARD,SBLOCK,XR(E)::QAB(C)
- B(b);N_GUARD,XS(F)::QAR2(C)
- P(c);SBLOCK,XR(E)::S(F)
- P(e);XS(F)::R1(E)
- P(h);SBLOCK,XP(G)::R1(E)
- P(g);OGATEB::B(H)
- B(b);N_GUARD::QAR2(C)
- B(b);N_GUARD::QAR2(C),XB(b)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(e);::R1(E)
- P(f);N_GUARD::QAR2(C),XP(c)
- P(h);SBLOCK::S(J)
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).