MESON Chess Problem Database
Problem Display
PID: 109422 (2N5/2n5/7p/1p3RnR/1p1Bk1BK/1QppP2p/5p1q/5Nb1 w - - 0 1)
Speiser, Jacob Kopel
Teplitz-Schonauer Anzeiger, 1922
#2
9 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg3+
- 2.Sxg3#
- 1...Qf4
- 2.Rxf4#
- 1...Qe5
- 2.Rxe5#
- 1...Qd6
- 2.Sxd6#
- 1...Qh1
- 2.Sg3#
- 2.Sd6#
- 2.Rf4#
- 2.Re5#
- 1...Qg2
- 2.Sd6#
- 2.Rf4#
- 2.Re5#
- 1...Sf3+
- 2.Bxf3#
- 1...Sge6
- 2.Bf3#
- 1...Sf7
- 2.Bf3#
- 1...Sh7
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...c2
- 2.Sd2#
- 1...d2
- 2.Qc2#
- 1...Qg3+
- Tries
- 1.Sxh2?
- threat
- 2.Sd6#
- 2.Rf4#
- 2.Re5#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...f1Q
- 2.Sd6#
- 2.Re5#
- 1...f1R
- 2.Sd6#
- 2.Re5#
- 1...Sge6
- 2.Sd6#
- 2.Bf3#
- 2.Re5#
- 1...Sf7
- 2.Bf3#
- 2.Rf4#
- 1...Sd5
- 2.Sd6#
- 2.Re5#
- 2.Qxd5#
- 1...Sce6
- 2.Sd6#
- 2.Re5#
- 2.Qd5#
- 1...Se8
- 2.Rf4#
- 2.Re5#
- 2.Qd5#
- 1...Bxh2!
- threat
- 1.Sb6?
- 1...Qg3+
- 2.Sxg3#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qf4
- 2.Rxf4#
- 1...Qe5
- 2.Rxe5#
- 1...Qh1
- 2.Sg3#
- 2.Rf4#
- 2.Re5#
- 1...Qg2
- 2.Rf4#
- 2.Re5#
- 1...Sge6
- 2.Bf3#
- 1...Sf7
- 2.Bf3#
- 1...Sh7
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...c2
- 2.Sd2#
- 1...Qd6!
- 1...Qg3+
- 1.Sa7?
- 1...Qg3+
- 2.Sxg3#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qf4
- 2.Rxf4#
- 1...Qe5
- 2.Rxe5#
- 1...Qh1
- 2.Sg3#
- 2.Rf4#
- 2.Re5#
- 1...Qg2
- 2.Rf4#
- 2.Re5#
- 1...Sge6
- 2.Bf3#
- 1...Sf7
- 2.Bf3#
- 1...Sh7
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...c2
- 2.Sd2#
- 1...Qd6!
- 1...Qg3+
- 1.Se7?
- 1...Qg3+
- 2.Sxg3#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qf4
- 2.Rxf4#
- 1...Qe5
- 2.Rxe5#
- 1...Qh1
- 2.Sg3#
- 2.Rf4#
- 2.Re5#
- 1...Qg2
- 2.Rf4#
- 2.Re5#
- 1...Sge6
- 2.Bf3#
- 1...Sf7
- 2.Bf3#
- 1...Sh7
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...c2
- 2.Sd2#
- 1...Qd6!
- 1...Qg3+
- 1.Bxc3?
- threat
- 2.Qxb4#
- 1...Sf3+
- 2.Bxf3#
- 1...bxc3
- 2.Qb4#
- 1...d2
- 2.Qc2#
- 2.Qb1#
- 1...Qd6
- 2.Sxd6#
- 1...Qe5
- 2.Rxe5#
- 1...Sge6
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Qg3+!
- threat
- 1.Bc5?
- threat
- 2.Qxb4#
- 1...Qg3+
- 2.Sxg3#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qd6
- 2.Sxd6#
- 1...Sge6
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Qe5!
- threat
- 1.Bb6?
- threat
- 2.Qxb4#
- 1...Qg3+
- 2.Sxg3#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qd6
- 2.Sxd6#
- 1...Sge6
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Qe5!
- threat
- 1.Bf6?
- threat
- 2.Qxb4#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qd6
- 2.Sxd6#
- 1...Qe5
- 2.Rxe5#
- 1...Sge6
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Qg3+!
- threat
- 1.Ba7?
- threat
- 2.Qxb4#
- 1...Qg3+
- 2.Sxg3#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qd6
- 2.Sxd6#
- 1...Sge6
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Qe5!
- threat
- 1.Bg7?
- threat
- 2.Qxb4#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qd6
- 2.Sxd6#
- 1...Qe5
- 2.Rxe5#
- 1...Sge6
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Qg3+!
- threat
- 1.Bh8?
- threat
- 2.Qxb4#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qd6
- 2.Sxd6#
- 1...Qe5
- 2.Rxe5#
- 1...Sge6
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Qg3+!
- threat
- 1.Bf3+?
- 1...Kxf5
- 2.Se7#
- 2.Qf7#
- 1...Sxf3+!
- 1...Kxf5
- 1.Rhxg5?
- threat
- 2.Bf3#
- 1...Qg3+
- 2.Sxg3#
- 1...d2
- 2.Qc2#
- 1...Qf4
- 2.Rxf4#
- 1...Qh1
- 2.Sg3#
- 2.Sd6#
- 2.Rf4#
- 2.Re5#
- 1...Qg2
- 2.Sd6#
- 2.Rf4#
- 2.Re5#
- 1...hxg5+!
- threat
- 1.Qa2?
- 1...Qg3+
- 2.Sxg3#
- 1...Sf3+
- 2.Bxf3#
- 1...d2
- 2.Qc2#
- 1...Qe5
- 2.Rxe5#
- 1...Qf4
- 2.Rxf4#
- 1...Qd6
- 2.Sxd6#
- 1...Qh1
- 2.Sg3#
- 2.Sd6#
- 2.Rf4#
- 2.Re5#
- 1...Qg2
- 2.Sd6#
- 2.Rf4#
- 2.Re5#
- 1...Sge6
- 2.Bf3#
- 1...Sf7
- 2.Bf3#
- 1...Sh7
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 2.Qa8#
- 1...Sa8
- 2.Qd5#
- 2.Qxa8#
- 1...Se8
- 2.Qd5#
- 2.Qa8#
- 1...c2
- 2.Sd2#
- 1...b3!
- 1...Qg3+
- 1.Qe6+?
- 1...Qe5
- 2.Sg3#
- 2.Sd6#
- 2.Rf4#
- 2.Rxe5#
- 2.Qxe5#
- 1...Sgxe6
- 2.Bf3#
- 1...Scxe6!
- 1...Qe5
- 1.Qxc3?
- threat
- 2.Sd2#
- 1...Qg3+
- 2.Sxg3#
- 1...Sf3+
- 2.Bxf3#
- 1...Qe5
- 2.Rxe5#
- 1...d2
- 2.Sxd2#
- 2.Qc2#
- 1...bxc3!
- threat
- 1.Sxh2?
- Keys
- 1.Be2!
- 1...Qg3+
- 2.Sxg3#
- 1...Qf4+
- 2.Rxf4#
- 1...Sf3+
- 2.Bxf3#
- 1...Kxf5
- 2.Bxd3#
- 1...dxe2
- 2.Qc2#
- 1...Qd6
- 2.Sxd6#
- 1...Qe5
- 2.Rxe5#
- 1...Qh1
- 2.Sg3#
- 2.Sd6#
- 2.Rf4#
- 2.Re5#
- 1...Qg2
- 2.Sd6#
- 2.Rf4#
- 2.Re5#
- 1...Sge6
- 2.Bf3#
- 1...Sf7
- 2.Bf3#
- 1...Sh7
- 2.Bf3#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Sce6
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...c2
- 2.Bxd3#
- 2.Qxd3#
- 1...d2
- 2.Qc2#
- 1...Qg3+
- 1.Be2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- Q(c);N_GUARD,P_PINB(E)::R1(G),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- Q(c);N_GUARD::S(I),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- P(d);N_GUARD::S(A)
- P(e);OGATEB::QAB(B)
- Tries
- Try
- S(A);XQ(c)
- Threat
- DUALS(3)
- Vars
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Refutation
- B(a);XS(A)
- Try
- S(I);
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD,P_PINB(E)::R1(G),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- P(d);N_GUARD::S(A)
- Refutation
- Q(c);
- Try
- S(I);
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD,P_PINB(E)::R1(G),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- P(d);N_GUARD::S(A)
- Refutation
- Q(c);
- Try
- S(I);
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD,P_PINB(E)::R1(G),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- P(d);N_GUARD::S(A)
- Refutation
- Q(c);
- Try
- B(D);XP(d)
- Threat
- QAR(B),XP(g)
- Vars
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(g);XB(D)::QAR(B)
- Q(c);N_GUARD::S(I),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- Refutation
- Q(c);CHECK
- Try
- B(D);
- Threat
- QAR(B),XP(g)
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD::S(I),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- Refutation
- Q(c);
- Try
- B(D);
- Threat
- QAR(B),XP(g)
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD::S(I),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- Refutation
- Q(c);
- Try
- B(D);
- Threat
- QAR(B),XP(g)
- Vars
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD::S(I),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- Refutation
- Q(c);CHECK
- Try
- B(D);
- Threat
- QAR(B),XP(g)
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD::S(I),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- Refutation
- Q(c);
- Try
- B(D);
- Threat
- QAR(B),XP(g)
- Vars
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD::S(I),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- Refutation
- Q(c);CHECK
- Try
- B(D);
- Threat
- QAR(B),XP(g)
- Vars
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD::S(I),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- Refutation
- Q(c);CHECK
- Try
- B(E);CHECK
- Refutation
- S(j);CHECK,XB(E)
- Try
- R(H);XS(j)
- Threat
- B(E)
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD,P_PINB(E)::R1(G),XQ(c)
- Refutation
- P(k);CHECK,XR(H)
- Try
- Q(B);
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- P(e);OGATEB::QAB(B)
- Q(c);N_GUARD::R1(G),XQ(c)
- Q(c);N_GUARD,P_PINB(E)::R1(G),XQ(c)
- Q(c);N_GUARD::S(I),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- P(d);N_GUARD::S(A)
- Refutation
- P(g);
- Try
- Q(B);CHECK
- Vars
- S(j);XQ(B)::B(E)
- Refutation
- S(l);XQ(B)
- Try
- Q(B);XP(d)
- Threat
- S(A)
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- Q(c);N_GUARD::R1(G),XQ(c)
- Refutation
- P(g);XQ(B)
- Try
- Actual
- B(E);
- Vars
- Q(c);CHECK,N_GUARD::S(A),XQ(c)
- Q(c);CHECK,N_GUARD::R1(G),XQ(c)
- S(j);CHECK,N_GUARD::B(E),XS(j)
- K(h);P_SPINS(j),S_FLIGHT,XR(G)::B(E),XP(e)
- P(e);OGATEB,XB(E)::QAB(B)
- Q(c);N_GUARD::S(I),XQ(c)
- Q(c);N_GUARD::R1(G),XQ(c)
- S(j);N_GUARD::B(E)
- S(l);N_GUARD::QAB1(B),XS(l)
- S(l);N_GUARD::QAB1(B)
- P(e);OGATEB::QAB(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).