MESON Chess Problem Database
Problem Display
PID: 110000 (rR4Bq/P1pN2kP/6P1/3PpK2/2P5/3P2P1/1P1Q4/Nrb3BR w - - 0 1)
Simonet, Andre
Themes-64, 1958
#2
16 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxh7
- 2.Rxh7#
- 1...Qxg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...Bxb2
- 2.Qh6#
- 1...e4
- 2.Bd4#
- 2.Qc3#
- 1...Qxh7
- Tries
- 1.Be3?
- threat
- 2.Bh6#
- 1...Qxh7
- 2.Rxh7#
- 1...Qxg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...Bxd2!
- threat
- 1.Bd4?
- threat
- 2.Bxe5#
- 1...Bxb2
- 2.Qh6#
- 1...exd4!
- threat
- 1.Bc5?
- threat
- 2.Bf8#
- 1...Qxh7
- 2.Rxh7#
- 1...Qxg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...Rxb8!
- threat
- 1.Re8?
- threat
- 2.Re7#
- 1...Qxh7
- 2.Rxh7#
- 1...Qxg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...Rxe8!
- threat
- 1.Rf8?
- threat
- 2.Rf7#
- 1...Qxh7
- 2.Rxh7#
- 1...Qxg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...Rxf8+!
- threat
- 1.Qxc1?
- threat
- 2.Qh6#
- 1...Qxh7
- 2.Rxh7#
- 1...Qxg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...Rxc1!
- threat
- 1.Qe3?
- threat
- 2.Qxe5#
- 1...Bxb2
- 2.Qh6#
- 1...e4
- 2.Qd4#
- 1...Bxe3!
- threat
- 1.Qb4?
- threat
- 2.Qe7#
- 2.Qf8#
- 1...Qxh7
- 2.Rxh7#
- 1...Qxg8
- 2.hxg8Q#
- 2.hxg8R#
- 1...Rxb8
- 2.Qe7#
- 1...Bg5
- 2.Qf8#
- 1...c5!
- threat
- 1.Qf4?
- threat
- 2.Qxe5#
- 1...Bxb2
- 2.Qh6#
- 1...exf4
- 2.Bd4#
- 1...e4
- 2.Bd4#
- 2.Qe5#
- 1...Bxf4!
- threat
- 1.Qg5?
- threat
- 2.Qf6#
- 2.Qe7#
- 1...Qxh7
- 2.Rxh7#
- 2.Qf6#
- 1...Qxg8
- 2.Qf6#
- 2.hxg8Q#
- 2.hxg8R#
- 1...Bxg5!
- threat
- 1.Be3?
- Keys
- 1.Sc5!
- threat
- 2.Se6#
- 1...Qxh7
- 2.Rxh7#
- 1...Qxg8
- 2.hxg8Q#
- 2.hxg8R#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(g);OGATE,P_PINP(K),XP(N)::R1(C),XQ(g)
- Q(g);OGATE,XB(P)::PXQ(g)=Q
- B(b);N_GUARD,XP(D)::QAB1(E)
- Tries
- Try
- B(B);
- Threat
- B(B)
- Vars
- Q(g);OGATE,P_PINP(K),XP(N)::R1(C),XQ(g)
- Q(g);OGATE,XB(P)::PXQ(g)=Q
- Refutation
- B(b);XQ(E)
- Try
- B(B);P_PINP(c)
- Threat
- B(B),XP(c)
- Vars
- B(b);N_GUARD,XP(D)::QAB1(E)
- Refutation
- P(c);N_SPINP(c),XB(B)
- Try
- B(B);
- Threat
- B(B)
- Vars
- Q(g);OGATE,P_PINP(K),XP(N)::R1(C),XQ(g)
- Q(g);OGATE,XB(P)::PXQ(g)=Q
- Refutation
- R(f);XR(O)
- Try
- R(O);
- Threat
- R(O)
- Vars
- Q(g);OGATE,P_PINP(K),XP(N)::R1(C),XQ(g)
- Q(g);OGATE,XB(P)::PXQ(g)=Q
- Refutation
- R(f);XR(O)
- Try
- R(O);
- Threat
- R1(O)
- Vars
- Q(g);OGATE,P_PINP(K),XP(N)::R1(C),XQ(g)
- Q(g);OGATE,XB(P)::PXQ(g)=Q
- Refutation
- R(f);CHECK,XR(O)
- Try
- Q(E);XB(b)
- Threat
- QAB1(E)
- Vars
- Q(g);OGATE,P_PINP(K),XP(N)::R1(C),XQ(g)
- Q(g);OGATE,XB(P)::PXQ(g)=Q
- Refutation
- R(a);XQ(E)
- Try
- Q(E);
- Threat
- QAB(E),XP(c)
- Vars
- B(b);N_GUARD,XP(D)::QAB1(E)
- P(c);OGATEB::QAB(E)
- Refutation
- B(b);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(g);OGATE,P_PINP(K),XP(N)::R1(C),XQ(g)
- Q(g);OGATE,XB(P)::PXQ(g)=Q
- R(f);XR(O)::QAR2(E)
- B(b);::QAB1(E)
- Refutation
- P(d);
- Try
- Q(E);
- Threat
- QAB(E),XP(c)
- Vars
- B(b);N_GUARD,XP(D)::QAB1(E)
- P(c);OGATEB,XQ(E)::B(B)
- Refutation
- B(b);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Refutation
- B(b);XQ(E)
- Try
- Actual
- S(M);
- Threat
- S(M)
- Vars
- Q(g);OGATE,P_PINP(K),XP(N)::R1(C),XQ(g)
- Q(g);OGATE,XB(P)::PXQ(g)=Q
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).