MESON Chess Problem Database
Problem Display
PID: 161665 (1B4B1/1QP4p/1q1nPb2/1r2PkpP/1PR3n1/2Kp1NP1/4N3/5R2 w - - 0 1)
Simonet, Andre
diagrammes, 1979
#2
14 + 9
| 15611 | Schaak-composities 1975-1979 (de Vuyst) | 1982 |
SOLUTION
- SOUND
- Sets
- 1...Qd4+
- 2.Sexd4#
- 1...Qa5
- 2.Sed4#
- 1...Qxc7
- 2.Sed4#
- 1...Qa6
- 2.Sed4#
- 1...Rc5
- 2.Sed4#
- 1...Rxe5
- 2.Sfd4#
- 2.Sh4#
- 1...Bxe5+
- 2.Sfd4#
- 1...Sxe5
- 2.Sh4#
- 1...Se4+
- 2.Qxe4#
- 1...Sc8
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Qd4+
- Tries
- 1.Qd5?
- threat
- 2.Sfd4#
- 2.Sh4#
- 2.Bxh7#
- 1...Qd4+
- 2.Sexd4#
- 2.Sfxd4#
- 1...Bxe5+
- 2.Sfd4#
- 1...Se4+
- 2.Qxe4#
- 1...Qxc7
- 2.Sed4#
- 2.Sfd4#
- 2.Sh4#
- 1...Sxe5
- 2.Sh4#
- 2.Bxh7#
- 2.g4#
- 1...Qf2
- 2.Sfd4#
- 2.Bxh7#
- 1...Sf2
- 2.Bxh7#
- 1...Sh2
- 2.Sh4#
- 2.Bxh7#
- 1...Se3
- 2.Sh4#
- 2.Bxh7#
- 1...Sh6
- 2.Sh4#
- 2.Bxh7#
- 1...h6
- 2.Sfd4#
- 2.Sh4#
- 2.Bh7#
- 1...Rxd5!
- threat
- 1.c8Q?
- threat
- 2.Bxh7#
- 2.Qxh7#
- 1...Qd4+
- 2.Sexd4#
- 1...Bxe5+
- 2.Sfd4#
- 1...Se4+
- 2.Qxe4#
- 1...Sxe5
- 2.Sh4#
- 1...Sxb7
- 2.Sh4#
- 2.Bxh7#
- 1...Sxc8
- 2.Sfd4#
- 2.Sh4#
- 2.Qe4#
- 2.Qxh7#
- 1...Qa7
- 2.Bxh7#
- 1...Qc7
- 2.Sed4#
- 1...Be7
- 2.Bxh7#
- 1...Bg7
- 2.Bxh7#
- 1...Sf7
- 2.Sfd4#
- 2.Sh4#
- 2.Bxh7#
- 2.Qe4#
- 1...h6
- 2.Bh7#
- 2.Qh7#
- 1...Qxb7!
- threat
- 1.c8B?
- threat
- 2.Bxh7#
- 2.Qxh7#
- 1...Qd4+
- 2.Sexd4#
- 1...Bxe5+
- 2.Sfd4#
- 1...Se4+
- 2.Qxe4#
- 1...Sxe5
- 2.Sh4#
- 1...Sxb7
- 2.Sh4#
- 2.Bxh7#
- 1...Sxc8
- 2.Sfd4#
- 2.Sh4#
- 2.Qe4#
- 2.Qxh7#
- 1...Qa7
- 2.Bxh7#
- 1...Qc7
- 2.Sed4#
- 1...Be7
- 2.Bxh7#
- 1...Bg7
- 2.Bxh7#
- 1...Sf7
- 2.Sfd4#
- 2.Sh4#
- 2.Bxh7#
- 2.Qe4#
- 1...h6
- 2.Bh7#
- 2.Qh7#
- 1...Qxb7!
- threat
- 1.Qd5?
- Keys
- 1.c8S!
- threat
- 2.Qxh7#
- 1...Qd4+
- 2.Sexd4#
- 1...Bxe5+
- 2.Sfd4#
- 1...Se4+
- 2.Qxe4#
- 1...Qxb7
- 2.Sxd6#
- 1...Sxe5
- 2.Sh4#
- 1...Sxb7
- 2.Sh4#
- 1...Sf7
- 2.Sfd4#
- 1...Qa7
- 2.Sxd6#
- 1...Qc7
- 2.Sed4#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...h6
- 2.Qh7#
- threat
- 1.c8S!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 5
- Sets
- Q(f);CHECK,N_GUARD,N_PINP(H)::S(B),XQ(f)
- Q(f);N_GUARD,N_PINP(H),P_PINP(F)::S(B)
- Q(f);N_GUARD,P_PINR(G),XP(L)::S(B)
- Q(f);N_GUARD::S(B)
- R(c);P_PINR(G),S_CUTQ(f)::S(B)
- B(h);CHECK,SBLOCK,XP(H)::R(A)+S(D),DCHECK
- S(b);SBLOCK,XP(H)::R(A)+S(D),DCHECK
- S(g);CHECK,N_GUARD::QAB1(K),XS(g)
- S(g);N_GUARD::QAB1(K)
- Tries
- Try
- Q(K);
- Threat
- DUALS(3)
- Vars
- B(h);CHECK,P_SPINB(h),XP(H)::R(A)+S(D),DCHECK
- S(g);CHECK,N_GUARD::QAB1(K),XS(g)
- S(b);::B(N),XP(i)
- Refutation
- R(c);XQ(K)
- Try
- P(L);
- Threat
- DUALS(2)
- Vars
- Q(f);CHECK,N_GUARD,N_PINP(H)::S(B),XQ(f)
- B(h);CHECK,SBLOCK,XP(H)::R(A)+S(D),DCHECK
- S(g);CHECK,N_GUARD::QAB1(K),XS(g)
- S(b);SBLOCK,XP(H)::R(A)+S(D),DCHECK
- Q(f);::B(N),XP(i)
- Q(f);N_GUARD,P_PINR(G)::S(B)
- B(h);N_PINP(H)::B(N),XP(i)
- B(h);::B(N),XP(i)
- Refutation
- Q(f);XQ(K)
- Try
- P(L);
- Threat
- DUALS(2)
- Vars
- Q(f);CHECK,N_GUARD,N_PINP(H)::S(B),XQ(f)
- B(h);CHECK,SBLOCK,XP(H)::R(A)+S(D),DCHECK
- S(g);CHECK,N_GUARD::QAB1(K),XS(g)
- S(b);SBLOCK,XP(H)::R(A)+S(D),DCHECK
- Q(f);::B(N),XP(i)
- Q(f);N_GUARD,P_PINR(G)::S(B)
- B(h);N_PINP(H)::B(N),XP(i)
- B(h);::B(N),XP(i)
- Refutation
- Q(f);XQ(K)
- Try
- Actual
- P(L);
- Threat
- QAB(K),XP(i)
- Vars
- Q(f);CHECK,N_GUARD,N_PINP(H)::S(B),XQ(f)
- B(h);CHECK,SBLOCK,XP(H)::R(A)+S(D),DCHECK
- S(g);CHECK,N_GUARD::QAB1(K),XS(g)
- Q(f);N_GUARD,XQ(K)::S(L),XS(g)
- S(b);SBLOCK,XP(H)::R(A)+S(D),DCHECK
- S(g);XQ(K)::R(A)+S(D),DCHECK
- S(g);::R(A)+S(D),DCHECK
- Q(f);N_GUARD::S(L),XS(g)
- Q(f);N_GUARD,P_PINR(G)::S(B)
- B(h);N_GUARD,N_PINP(H)::S(L),XB(h)
- B(h);N_GUARD::S(L)
- P(i);::QAB(K)
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).