MESON Chess Problem Database
Problem Display
PID: 116179 (Q7/1pPRpP2/1K2pp1p/1p2k2P/2P1N2B/4P3/p1B1b3/4NR1n w - - 0 1)
Goldschmidt, Josef
Israel Ty., 1969
#2
13 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sg3
- 2.Bxg3#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...bxc4
- 2.Qa5#
- 1...b4
- 2.Qa5#
- 1...f5
- 2.Qh8#
- 1...Sg3
- Tries
- 1.Sg3?
- 1...Bxf1
- 2.Sf3#
- 1...Bxc4
- 2.Sf3#
- 1...Bxh5
- 2.Sd3#
- 1...Sxg3
- 2.Bxg3#
- 1...bxc4
- 2.Qa5#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Bd1
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 2.Sf3#
- 1...Bf3
- 2.Sd3#
- 2.Sxf3#
- 1...Bg4
- 2.Sd3#
- 1...b4
- 2.Qa5#
- 1...f5
- 2.Qh8#
- 1...Sf2!
- 1...Bxf1
- 1.Sg5?
- 1...Bxf1
- 2.Sef3#
- 2.Sgf3#
- 1...Bxc4
- 2.Sef3#
- 2.Sgf3#
- 1...Bxh5
- 2.Sd3#
- 1...bxc4
- 2.Qa5#
- 1...fxg5
- 2.Qh8#
- 1...f5
- 2.Qh8#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Bd1
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Bf3
- 2.Sexf3#
- 2.Sgxf3#
- 1...Bg4
- 2.Sd3#
- 1...Sf2
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 1...b4
- 2.Qa5#
- 1...hxg5!
- 1...Bxf1
- 1.Sd6?
- 1...Bxf1
- 2.Sf3#
- 1...Bxh5
- 2.Sd3#
- 1...bxc4
- 2.Qa5#
- 1...exd6
- 2.Bxf6#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Bd1
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 2.Sf3#
- 1...Bf3
- 2.Sd3#
- 2.Sxf3#
- 1...Bg4
- 2.Sd3#
- 1...Sf2
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 1...b4
- 2.Qa5#
- 1...f5
- 2.Qh8#
- 1...Bxc4!
- 1...Bxf1
- 1.Sxf6?
- 1...Bxf1
- 2.Sf3#
- 2.Sg4#
- 1...Bxc4
- 2.Sf3#
- 2.Sg4#
- 1...Bxh5
- 2.Sd3#
- 1...bxc4
- 2.Qa5#
- 1...exf6
- 2.Bxf6#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Bd1
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Bf3
- 2.Sxf3#
- 1...Bg4
- 2.Sd3#
- 2.Sxg4#
- 1...Sg3
- 2.Bxg3#
- 1...b4
- 2.Qa5#
- 1...Sf2!
- 1...Bxf1
- 1.Rf5+?
- 1...exf5
- 2.Rxe7#
- 1...Kxf5!
- 1...exf5
- 1.Qa3?
- threat
- 2.Qb2#
- 2.Qc5#
- 2.Qc3#
- 1...Bxf1
- 2.Qc5#
- 1...Bxc4
- 2.Qb2#
- 2.Qc3#
- 1...bxc4
- 2.Qc5#
- 2.Qc3#
- 2.Qa5#
- 1...Bf3
- 2.Qc5#
- 1...Sf2
- 2.Qc5#
- 1...a1Q
- 2.Qc5#
- 2.Qxa1#
- 1...a1B
- 2.Qc5#
- 2.Qxa1#
- 1...b4
- 2.Qb2#
- 2.Qa5#
- 1...Bd3!
- threat
- 1.Qa5?
- threat
- 2.Qc3#
- 2.Qxb5#
- 1...Bxf1
- 2.Qxb5#
- 1...Bxc4
- 2.Qc3#
- 1...Bf3
- 2.Qxb5#
- 1...Sf2
- 2.Qxb5#
- 1...a1Q
- 2.Qxa1#
- 2.Qxb5#
- 1...a1B
- 2.Qxa1#
- 2.Qxb5#
- 1...Bd3!
- threat
- 1.c8Q?
- threat
- 2.Qab8#
- 2.Qc5#
- 2.Qc7#
- 2.Qcb8#
- 1...Bxf1
- 2.Qc5#
- 1...Bxc4
- 2.Qab8#
- 2.Qc7#
- 2.Qcb8#
- 1...Bf3
- 2.Qc5#
- 1...Sf2
- 2.Qc5#
- 1...Bd3!
- threat
- 1.c8R?
- threat
- 2.Rc5#
- 2.Qb8#
- 1...Bxf1
- 2.Rc5#
- 1...Bxc4
- 2.Qb8#
- 1...Bf3
- 2.Rc5#
- 1...Sf2
- 2.Rc5#
- 1...Bd3!
- threat
- 1.Sg3?
- Keys
- 1.Sd2!
- 1...Bxf1
- 2.Sef3#
- 2.Sdf3#
- 1...Bxc4
- 2.Sef3#
- 2.Sdf3#
- 1...Bxh5
- 2.Sd3#
- 1...bxc4
- 2.Qa5#
- 1...a1Q
- 2.Qxa1#
- 1...a1S
- 2.Qxa1#
- 1...a1B
- 2.Qxa1#
- 1...a1R
- 2.Qxa1#
- 1...Bd1
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Bf3
- 2.Sexf3#
- 2.Sdxf3#
- 1...Bg4
- 2.Sd3#
- 1...Sf2
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 1...b4
- 2.Qa5#
- 1...f5
- 2.Qh8#
- 1...Bxf1
- 1.Sd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::B(G),XS(a)
- P(b);OGATE::QAB(M),XQ(b)
- P(b);OGATE::QAB(M),XS(b)
- P(b);OGATE::QAB(M),XB(b)
- P(b);OGATE::QAB(M),XR(b)
- P(d);OGATEB,XP(E)::QAR(M)
- P(d);OGATEB::QAR(M)
- P(g);OGATEB::QAB(M)
- Tries
- Try
- S(F);
- Vars
- B(c);N_GUARD,XR(B)::S(A)
- B(c);N_GUARD,XP(E)::S(A)
- B(c);N_GUARD,XP(H)::S(A)
- S(a);OGATE,XS(F)::B(G),XS(a)
- P(d);OGATEB,XP(E)::QAR(M)
- P(b);OGATE::QAB(M),XQ(b)
- P(b);OGATE::QAB(M),XS(b)
- P(b);OGATE::QAB(M),XB(b)
- P(b);OGATE::QAB(M),XR(b)
- B(c);N_GUARD::S(A)
- P(d);OGATEB::QAR(M)
- P(g);OGATEB::QAB(M)
- Refutation
- S(a);
- Try
- S(F);
- Vars
- B(c);N_GUARD,XP(H)::S(A)
- P(d);OGATEB,XP(E)::QAR(M)
- P(g);OGATEB,XS(F)::QAB(M)
- P(g);OGATEB::QAB(M)
- P(b);OGATE::QAB(M),XQ(b)
- P(b);OGATE::QAB(M),XS(b)
- P(b);OGATE::QAB(M),XB(b)
- P(b);OGATE::QAB(M),XR(b)
- B(c);N_GUARD::S(A)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- P(d);OGATEB::QAR(M)
- Refutation
- P(h);XS(F)
- Try
- S(F);
- Vars
- B(c);N_GUARD,XR(B)::S(A)
- B(c);N_GUARD,XP(H)::S(A)
- P(d);OGATEB,XP(E)::QAR(M)
- P(j);N_GUARD,XS(F)::B(G),XP(g)
- P(b);OGATE::QAB(M),XQ(b)
- P(b);OGATE::QAB(M),XS(b)
- P(b);OGATE::QAB(M),XB(b)
- P(b);OGATE::QAB(M),XR(b)
- B(c);N_GUARD::S(A)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- P(d);OGATEB::QAR(M)
- P(g);OGATEB::QAB(M)
- Refutation
- B(c);XP(E)
- Try
- S(F);XP(g)
- Vars
- B(c);N_GUARD,XP(H)::S(A)
- P(d);OGATEB,XP(E)::QAR(M)
- P(j);OGATE,XS(F)::B(G),XP(j)
- P(b);OGATE::QAB(M),XQ(b)
- P(b);OGATE::QAB(M),XS(b)
- P(b);OGATE::QAB(M),XB(b)
- P(b);OGATE::QAB(M),XR(b)
- B(c);N_GUARD::S(A)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::B(G),XS(a)
- P(d);OGATEB::QAR(M)
- Refutation
- S(a);
- Try
- R(B);CHECK
- Vars
- P(f);SBLOCK,XR(B)::R(K),XP(j)
- Refutation
- K(e);P-FLIGHT,XR(B)
- Try
- Q(M);
- Threat
- DUALS(3)
- Vars
- B(c);XR(B)::QAR2(M)
- B(c);::QAR2(M)
- S(a);::QAR2(M)
- Refutation
- B(c);
- Try
- Q(M);P_PINP(d)
- Threat
- DUALS(2)
- Vars
- B(c);XR(B)::QAR(M),XP(d)
- B(c);XP(E)::QAB(M)
- B(c);::QAR(M),XP(d)
- S(a);::QAR(M),XP(d)
- Refutation
- B(c);
- Try
- P(J);
- Threat
- DUALS(4)
- Vars
- B(c);XR(B)::QAR2(J)
- B(c);::QAR2(J)
- S(a);::QAR2(J)
- Refutation
- B(c);
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- B(c);XR(B)::R(J)
- B(c);XP(E)::QAB(M)
- B(c);::R(J)
- S(a);::R(J)
- Refutation
- B(c);
- Try
- Actual
- S(F);
- Vars
- B(c);N_GUARD,XP(H)::S(A)
- P(d);OGATEB,XP(E)::QAR(M)
- P(b);OGATE::QAB(M),XQ(b)
- P(b);OGATE::QAB(M),XS(b)
- P(b);OGATE::QAB(M),XB(b)
- P(b);OGATE::QAB(M),XR(b)
- B(c);N_GUARD::S(A)
- B(c);N_GUARD::S(A),XB(c)
- S(a);N_GUARD::B(G)
- S(a);N_GUARD::B(G),XS(a)
- P(d);OGATEB::QAR(M)
- P(g);OGATEB::QAB(M)
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).