MESON Chess Problem Database
Problem Display
PID: 129760 (3n4/r2P3p/1BN5/2Pk1PQ1/p3q3/N7/K1P3B1/4b3 w - - 0 1)
Feigl, Maximilian
La Strategie, 1900
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxg2
- 2.Qxg2#
- 1...Qf3
- 2.Bxf3#
- 1...Qxg2
- Tries
- 1.Qd2+?
- 1...Kxc6
- 2.Bxe4#
- 1...Bxd2!
- 1...Kxc6
- 1.Qe3?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Qxg2
- 2.Se7#
- 1...Sxc6
- 2.Qxe4#
- 1...Qf3
- 2.Se7#
- 2.Bxf3#
- 2.Qxf3#
- 1...Kxc6!
- threat
- 1.Qf4?
- threat
- 2.Bxe4#
- 2.Qd6#
- 2.Qxe4#
- 1...Qxg2
- 2.Se7#
- 1...Rxd7
- 2.Bxe4#
- 2.Qxe4#
- 1...Sxc6
- 2.Qd6#
- 2.Qxe4#
- 1...Qf3
- 2.Se7#
- 2.Bxf3#
- 2.Qxf3#
- 1...Bg3
- 2.Bxe4#
- 2.Qxe4#
- 1...Sb7
- 2.Bxe4#
- 2.Qxe4#
- 1...Sf7
- 2.Bxe4#
- 2.Qxe4#
- 1...Kxc6!
- threat
- 1.Qf6?
- threat
- 2.Se7#
- 2.Qd6#
- 2.c4#
- 1...Rxd7
- 2.c4#
- 1...Sxc6
- 2.Qd6#
- 2.c4#
- 1...Qf3
- 2.Bxf3#
- 1...Se6
- 2.Se7#
- 2.Qxe6#
- 1...Bc3
- 2.Se7#
- 2.Qd6#
- 1...Bg3
- 2.Sb4#
- 2.Se7#
- 2.c4#
- 1...Sb7
- 2.Se7#
- 2.Qe6#
- 2.c4#
- 1...Sf7
- 2.Se7#
- 2.Qe6#
- 2.c4#
- 1...Qxg2!
- threat
- 1.Qh6?
- threat
- 2.Qd6#
- 2.c4#
- 1...Rxd7
- 2.c4#
- 1...Sxc6
- 2.Qd6#
- 1...Qf3
- 2.Bxf3#
- 1...Se6
- 2.Qxe6#
- 1...Bc3
- 2.Qd6#
- 1...Bg3
- 2.c4#
- 1...Sb7
- 2.Qe6#
- 2.c4#
- 1...Sf7
- 2.Qe6#
- 2.c4#
- 1...Qxg2!
- threat
- 1.Qe7?
- threat
- 2.Bxe4#
- 2.Qd6#
- 2.Qxe4#
- 1...Kxc6
- 2.Bxe4#
- 1...Rxd7
- 2.Bxe4#
- 2.Qxe4#
- 2.Qxd7#
- 1...Sxc6
- 2.Qd6#
- 2.Qxe4#
- 1...Qf3
- 2.Bxf3#
- 1...Bg3
- 2.Bxe4#
- 2.Qxe4#
- 1...Se6
- 2.Qd6#
- 2.Qxe6#
- 1...Sb7
- 2.Bxe4#
- 2.Qxe4#
- 2.Qe6#
- 1...Sf7
- 2.Bxe4#
- 2.Qxe4#
- 2.Qe6#
- 1...Qxg2!
- threat
- 1.Qg4?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Qxg2
- 2.Qxg2#
- 1...Sxc6
- 2.Qxe4#
- 1...Qf3
- 2.Bxf3#
- 2.Qxf3#
- 1...Kxc6!
- threat
- 1.Qg6?
- threat
- 2.Qd6#
- 2.c4#
- 1...Qxg2
- 2.Qxg2#
- 1...Rxd7
- 2.c4#
- 1...Sxc6
- 2.Qd6#
- 1...Qf3
- 2.Bxf3#
- 1...Se6
- 2.Qxe6#
- 1...Bc3
- 2.Qd6#
- 1...Bg3
- 2.c4#
- 1...Sb7
- 2.Qe6#
- 2.c4#
- 1...Sf7
- 2.Qe6#
- 2.c4#
- 1...hxg6!
- threat
- 1.Qd2+?
- Keys
- 1.Qg7!
- threat
- 2.Se7#
- 1...Kxc6
- 2.Bxe4#
- 1...Qxg2
- 2.Qxg2#
- 1...Rxd7
- 2.Qxd7#
- 1...Sxc6
- 2.c4#
- 1...Qf3
- 2.Bxf3#
- 1...Bh4
- 2.Sb4#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Q(c);N_SPINQ(c),OGATE,P_PINP(B),XB(C)::QAB(G),XQ(c)
- Q(c);OGATEB::B(C),XQ(c)
- Tries
- Try
- Q(G);CHECK
- Vars
- K(d);S_FLIGHT,XS(I)::B(C),XQ(c)
- Refutation
- B(a);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(c);N_SPINQ(c),P_PINP(B),XB(C)::S(I)
- S(g);SBLOCK,XS(I)::QAB1(G),XQ(c)
- Refutation
- K(d);S_FLIGHT,XS(I)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- Q(c);N_SPINQ(c),P_PINP(B),XB(C)::S(I)
- Refutation
- K(d);S_FLIGHT,XS(I)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- R(e);XP(J)::P(B)
- Q(c);OGATEB::B(C),XQ(c)
- Refutation
- Q(c);N_SPINQ(c),P_PINP(B),XB(C)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(e);XP(J)::P(B)
- S(g);XS(I)::QAR1(G)
- Q(c);OGATEB::B(C),XQ(c)
- S(g);N_GUARD::QAB1(G),XS(g)
- B(a);::QAR1(G)
- B(a);::P(B)
- Refutation
- Q(c);N_SPINQ(c),P_PINP(B),XB(C)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- K(d);S_FLIGHT,XS(I)::B(C),XQ(c)
- Q(c);OGATEB::B(C),XQ(c)
- Refutation
- Q(c);N_SPINQ(c),P_PINP(B),XB(C)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(c);N_SPINQ(c),OGATE,P_PINP(B),XB(C)::QAB(G),XQ(c)
- S(g);SBLOCK,XS(I)::QAB1(G),XQ(c)
- Refutation
- K(d);S_FLIGHT,XS(I)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(c);N_SPINQ(c),OGATE,P_PINP(B),XB(C)::QAB(G),XQ(c)
- R(e);XP(J)::P(B)
- S(g);XS(I)::QAR1(G)
- Q(c);OGATEB::B(C),XQ(c)
- S(g);N_GUARD::QAB1(G),XS(g)
- B(a);::QAR1(G)
- B(a);::P(B)
- Refutation
- P(f);XQ(G)
- Try
- Actual
- Q(G);
- Threat
- S(I)
- Vars
- K(d);S_FLIGHT,XS(I)::B(C),XQ(c)
- Q(c);N_SPINQ(c),OGATE,P_PINP(B),XB(C)::QAB(G),XQ(c)
- R(e);OGATE,XP(J)::QAR2(G),XR(e)
- S(g);SBLOCK,XS(I)::P(B)
- Q(c);OGATEB::B(C),XQ(c)
- B(a);N_GUARD::S(I)
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).