MESON Chess Problem Database
Problem Display
PID: 113103 (7q/2p1Q3/2R3pN/3p2BR/3kB3/p7/2n5/n6K w - - 0 1)
Savournin, Jacques
2nd Prize, Themes-64, 1979
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...gxh5
- 2.Sf5#
- 1...gxh5
- Tries
- 1.Bxc2?
- threat
- 2.Be3#
- 2.Rh4#
- 2.Qe3#
- 1...Qxh6
- 2.Bf6#
- 2.Qf6#
- 2.Qe3#
- 1...gxh5
- 2.Sf5#
- 2.Be3#
- 2.Qe3#
- 1...Qe5
- 2.Qb4#
- 2.Qc5#
- 1...Qf6
- 2.Be3#
- 2.Bxf6#
- 2.Qxf6#
- 2.Qe3#
- 1...Qc8
- 2.Be3#
- 2.Bf6#
- 2.Qf6#
- 2.Qe3#
- 2.Qg7#
- 1...Qe8
- 2.Be3#
- 2.Bf6#
- 2.Rh4#
- 1...Qf8
- 2.Be3#
- 2.Qe3#
- 1...Sxc2!
- threat
- 1.Bxg6?
- threat
- 2.Rh4#
- 1...Qxh6
- 2.Bf6#
- 2.Qf6#
- 1...Qe5
- 2.Qc5#
- 1...Qf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Qc8
- 2.Bf6#
- 2.Qf6#
- 2.Qg7#
- 1...Se3
- 2.Bxe3#
- 2.Qxe3#
- 1...Qf8!
- threat
- 1.Bc1?
- threat
- 2.Rxd5#
- 1...Qxh6
- 2.Qe5#
- 1...dxe4
- 2.Qd7#
- 1...gxh5
- 2.Sf5#
- 1...Qe5
- 2.Qxe5#
- 1...Qd8
- 2.Qe5#
- 1...Qg8
- 2.Qe5#
- 1...Sb4
- 2.Qxb4#
- 1...g5
- 2.Sf5#
- 1...Se3!
- threat
- 1.Bf4?
- threat
- 2.Rxd5#
- 1...Qxh6
- 2.Qe5#
- 1...dxe4
- 2.Qd7#
- 1...gxh5
- 2.Sf5#
- 1...Qe5
- 2.Qxe5#
- 1...Qd8
- 2.Qe5#
- 1...Qg8
- 2.Qe5#
- 1...Sb4
- 2.Qxb4#
- 1...g5
- 2.Sf5#
- 1...Se3!
- threat
- 1.Rh3?
- threat
- 2.Rd3#
- 1...Qxh6
- 2.Bf6#
- 1...dxe4
- 2.Qc5#
- 1...Se3
- 2.Bxe3#
- 1...Se1
- 2.Be3#
- 1...Sb4
- 2.Be3#
- 1...Qe5!
- threat
- 1.Rh4?
- threat
- 2.Bxc2#
- 2.Bf5#
- 2.Bxg6#
- 1...Qxh6
- 2.Qf6#
- 1...dxe4
- 2.Qxe4#
- 1...Qe5
- 2.Qc5#
- 1...Qf6
- 2.Bf5#
- 2.Qxf6#
- 1...Qc8
- 2.Bf5#
- 2.Qf6#
- 2.Qg7#
- 1...Qf8
- 2.Bf5#
- 1...Se1
- 2.Bb1#
- 2.Bc2#
- 2.Bf5#
- 2.Bxg6#
- 1...Sb4
- 2.Bb1#
- 2.Bc2#
- 2.Bf5#
- 2.Bxg6#
- 1...Se3!
- threat
- 1.Qb4+?
- 1...Ke5
- 2.Sg4#
- 2.Sf7#
- 1...Sxb4!
- 1...Ke5
- 1.Qc5+?
- 1...Ke5
- 2.Qxd5#
- 1...Kxe4!
- 1...Ke5
- 1.Bxc2?
- Keys
- 1.Bd2!
- threat
- 2.Rxd5#
- 1...Qxh6
- 2.Qe5#
- 1...dxe4
- 2.Qd7#
- 1...gxh5
- 2.Sf5#
- 1...Qe5
- 2.Qxe5#
- 1...Qd8
- 2.Qe5#
- 1...Qg8
- 2.Qe5#
- 1...Se3
- 2.Bc3#
- 1...Sb4
- 2.Qxb4#
- 1...g5
- 2.Sf5#
- threat
- 1.Bd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- P(f);N_GUARD,XR(D)::S(F)
- Tries
- Try
- B(B);XS(b)
- Threat
- DUALS(3)
- Refutation
- S(a);XB(B)
- Try
- B(B);XP(f)
- Threat
- R(D)
- Vars
- Q(h);SBLOCK::QAB1(G)
- Refutation
- Q(h);
- Try
- B(C);
- Threat
- R1(D),XP(e)
- Vars
- Q(h);N_GUARD,P_PINR(D),XS(F)::QAB1(G)
- P(e);OGATEB,SBLOCK,XB(B)::QAR(G)
- P(f);N_GUARD,XR(D)::S(F)
- Q(h);N_GUARD::QAB1(G),XQ(h)
- Q(h);N_GUARD::QAB1(G)
- S(b);N_GUARD::QAR2(G),XS(b)
- P(f);N_GUARD::S(F)
- Refutation
- S(b);
- Try
- B(C);
- Threat
- R1(D),XP(e)
- Vars
- Q(h);N_GUARD,P_PINR(D),XS(F)::QAB1(G)
- P(e);OGATEB,SBLOCK,XB(B)::QAR(G)
- P(f);N_GUARD,XR(D)::S(F)
- Q(h);N_GUARD::QAB1(G),XQ(h)
- Q(h);N_GUARD::QAB1(G)
- S(b);N_GUARD::QAR2(G),XS(b)
- P(f);N_GUARD::S(F)
- Refutation
- S(b);
- Try
- R(D);
- Threat
- R1(D)
- Vars
- Q(h);N_GUARD,P_PINR(D),XS(F)::B(C)
- P(e);SBLOCK,XB(B)::QAB1(G)
- S(b);N_GUARD::B(C),XS(b)
- S(b);N_GUARD::B(C)
- Refutation
- Q(h);
- Try
- R(D);
- Threat
- DUALS(3)
- Vars
- Q(h);N_GUARD,P_PINR(D),XS(F)::QAB(G)
- P(e);OGATE,P_SPINP(e),XB(B)::QAR1(G),XP(e)
- Q(h);SBLOCK::QAB1(G)
- Q(h);::R(D)+B(B)
- Refutation
- S(b);
- Try
- Q(G);CHECK
- Refutation
- S(b);XQ(G)
- Try
- Q(G);CHECK
- Vars
- K(d);P_SPINP(e),S_FLIGHT::QAR1(G),XP(e)
- Refutation
- K(d);P-FLIGHT,XB(B)
- Try
- Actual
- B(C);
- Threat
- R1(D),XP(e)
- Vars
- Q(h);N_GUARD,P_PINR(D),XS(F)::QAB1(G)
- P(e);OGATEB,SBLOCK,XB(B)::QAR(G)
- P(f);N_GUARD,XR(D)::S(F)
- Q(h);N_GUARD::QAB1(G),XQ(h)
- Q(h);N_GUARD::QAB1(G)
- S(b);SBLOCK::B(C)
- S(b);N_GUARD::QAR2(G),XS(b)
- P(f);N_GUARD::S(F)
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).