MESON Chess Problem Database
Problem Display
PID: 107882 (2B5/8/p2Nb1pR/K1B1k1P1/5b2/2N2QnP/6n1/5R2 w - - 0 1)
Casalini, L
La Sfinge d'Antenore, 1885-1887
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qf6#
- 1...Bd2
- 2.Qf6#
- 1...Be3
- 2.Qf6#
- 1...Bxh3
- 2.Sc4#
- 2.Sf7#
- 2.Qd5#
- 1...Bc4
- 2.Sxc4#
- 1...Bg4
- 2.Sc4#
- 2.Sf7#
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bf5
- 2.Sc4#
- 2.Sf7#
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Bf7
- 2.Sxf7#
- 1...Bxc8
- 2.Qd5#
- 1...Se1
- 2.Qxf4#
- 1...Se3
- 2.Qxf4#
- 1...Sh4
- 2.Qxf4#
- 1...Sxf1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Bc1
- Tries
- 1.Sc4+?
- 1...Kf5
- 2.Qg4#
- 2.Qd5#
- 1...Bxc4!
- 1...Kf5
- 1.Sdb5?
- 1...Kf5
- 2.Qd5#
- 1...Bxg5
- 2.Bd4#
- 2.Bd6#
- 1...Bxh3
- 2.Bd4#
- 2.Bd6#
- 2.Qd5#
- 1...Bxc8
- 2.Qd5#
- 1...Sxf1
- 2.Qe4#
- 1...Bd7
- 2.Qd5#
- 1...Bc1
- 2.Bd4#
- 2.Bd6#
- 2.Qf6#
- 1...Bd2
- 2.Bd4#
- 2.Bd6#
- 2.Qf6#
- 1...Be3
- 2.Bd6#
- 2.Qf6#
- 1...Ba2
- 2.Bd4#
- 2.Bd6#
- 1...Bb3
- 2.Bd4#
- 2.Bd6#
- 1...Bc4
- 2.Bd4#
- 2.Bd6#
- 1...Bg4
- 2.Bd4#
- 2.Bd6#
- 2.Qd5#
- 1...Bd5
- 2.Bd4#
- 2.Bd6#
- 2.Qxd5#
- 1...Bf5
- 2.Bd4#
- 2.Bd6#
- 2.Qd5#
- 1...Bf7
- 2.Bd4#
- 2.Bd6#
- 1...Bg8
- 2.Bd4#
- 2.Bd6#
- 1...Se1
- 2.Qxf4#
- 1...Se3
- 2.Qxf4#
- 1...Sh4
- 2.Qxf4#
- 1...Sh1
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...axb5!
- 1...Kf5
- 1.Sf7+?
- 1...Kf5
- 2.Qg4#
- 2.Qd5#
- 1...Bxf7!
- 1...Kf5
- 1.Qb7?
- threat
- 2.Qg7#
- 1...Bxc8
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Bf7
- 2.Sxf7#
- 1...Se4
- 2.Qxe4#
- 1...Sf5
- 2.Qe4#
- 1...Sh5
- 2.Qe4#
- 1...Bxg5!
- threat
- 1.Qd3?
- threat
- 2.Qd4#
- 1...Bxc8
- 2.Qd5#
- 1...Bd7
- 2.Qd5#
- 1...Se2
- 2.Qe4#
- 1...Sf5
- 2.Qe4#
- 1...Be3!
- threat
- 1.Sc4+?
- Keys
- 1.Sf5!
- 1...Kxf5
- 2.Qd5#
- 1...Bxg5
- 2.Bd4#
- 1...Bxf5
- 2.Qd5#
- 1...Bxc8
- 2.Qd5#
- 1...Sxf1
- 2.Qe4#
- 1...Sxf5
- 2.Qe4#
- 1...gxf5
- 2.Rxe6#
- 1...Bd7
- 2.Qd5#
- 1...Bc1
- 2.Bd4#
- 2.Bd6#
- 1...Bd2
- 2.Bd4#
- 2.Bd6#
- 1...Be3
- 2.Bd6#
- 1...Ba2
- 2.Bd4#
- 2.Bd6#
- 1...Bb3
- 2.Bd4#
- 2.Bd6#
- 1...Bc4
- 2.Bd4#
- 2.Bd6#
- 1...Bd5
- 2.Bd4#
- 2.Bd6#
- 2.Qxd5#
- 1...Bf7
- 2.Bd4#
- 2.Bd6#
- 1...Bg8
- 2.Bd4#
- 2.Bd6#
- 1...Se1
- 2.Qxf4#
- 1...Se3
- 2.Qxf4#
- 1...Sh4
- 2.Qxf4#
- 1...Sh1
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sh5
- 2.Qe4#
- 1...Kxf5
- 1.Sf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- B(c);OGATE::QAB1(C)
- B(c);OGATE,P_PINS(B)::QAB1(C)
- B(f);N_GUARD::S(H),XB(f)
- B(f);N_GUARD::QAR1(C),XB(f)
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD,XB(J)::QAR1(C)
- S(a);N_GUARD::QAB1(C),XB(c)
- S(b);N_GUARD,XR(A)::QAR1(C)
- S(b);N_GUARD::QAR1(C)
- S(b);N_GUARD::QAR1(C),XS(b)
- Tries
- Try
- S(H);CHECK
- Refutation
- B(f);XS(H)
- Try
- S(H);
- Vars
- K(d);P-FLIGHT,P_SPINB(c)::QAR2(C)
- B(f);N_GUARD,XB(J)::QAR1(C)
- S(b);N_GUARD,XR(A)::QAR1(C)
- B(f);N_GUARD::QAR1(C)
- S(a);N_GUARD::QAB1(C),XB(c)
- S(b);N_GUARD::QAR1(C)
- S(b);N_GUARD::QAR1(C),XS(b)
- Refutation
- P(e);XS(H)
- Try
- S(H);CHECK
- Refutation
- B(f);XS(H)
- Try
- Q(C);
- Threat
- QAB(C)
- Vars
- B(f);N_GUARD,XB(J)::QAR1(C)
- B(f);N_GUARD::QAR1(C)
- B(f);N_GUARD::S(H),XB(f)
- S(b);N_GUARD::QAR1(C),XS(b)
- S(b);N_GUARD::QAR1(C)
- Refutation
- B(c);XP(G)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- B(f);N_GUARD,XB(J)::QAR1(C)
- B(f);N_GUARD::QAR1(C)
- S(b);N_GUARD::QAR1(C)
- Refutation
- B(c);
- Try
- Actual
- S(H);
- Vars
- K(d);P-FLIGHT,P_SPINB(c),XS(H)::QAR2(C)
- B(c);XP(G)::B(F)
- B(f);N_GUARD,XS(H)::QAR1(C)
- B(f);N_GUARD,XB(J)::QAR1(C)
- S(b);N_GUARD,XR(A)::QAR1(C)
- S(b);N_GUARD,XS(H)::QAR1(C)
- P(g);OGATE,SBLOCK,XS(H)::R1(I),XB(f)
- B(f);N_GUARD::QAR1(C)
- B(c);::B(F)
- S(a);N_GUARD::QAB1(C),XB(c)
- S(b);N_GUARD::QAR1(C)
- S(b);N_GUARD::QAR1(C),XS(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).