MESON Chess Problem Database
Problem Display
PID: 287233 (5B2/1PnPn2q/1R3P2/P1kb2Qr/PNN1R3/3PP3/3PKb2/8 w - - 0 1)
Loustau, Jean-Marc
Problem Paradise, 2021
#2
15 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2026 |
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Bxe7#
- 1...Qg6
- 2.Bxe7#
- 1...Qg8
- 2.Bxe7#
- 1...Qh6
- 2.Bxe7#
- 1...Qh8
- 2.Bxe7#
- 1...Bxe3
- 2.Qxe3#
- 1...Sb5
- 2.Sa6#
- 2.Rxb5#
- 1...Sa6
- 2.Sxa6#
- 2.Rb5#
- 1...Se6
- 2.Sa6#
- 2.Rb5#
- 1...Sa8
- 2.Sa6#
- 2.Rb5#
- 1...Se8
- 2.Sa6#
- 2.Rb5#
- 1...Qf5
- Tries
- 1.Sb2?
- threat
- 2.Rc4#
- 2.Rc6#
- 2.d4#
- 1...Rxg5
- 2.d4#
- 1...Bxe3
- 2.Rc4#
- 2.Rc6#
- 2.Qxe3#
- 1...Qf5
- 2.Bxe7#
- 2.d4#
- 1...Rh4
- 2.Rc6#
- 2.d4#
- 1...Sb5
- 2.Sa6#
- 2.Rc4#
- 2.Rc6#
- 1...Se6
- 2.Sa6#
- 2.Rc4#
- 2.Rc6#
- 1...Qxe4!
- threat
- 1.Sa3?
- threat
- 2.Rc4#
- 2.Rc6#
- 2.d4#
- 1...Rxg5
- 2.d4#
- 1...Bxe3
- 2.Rc4#
- 2.Rc6#
- 2.Qxe3#
- 1...Qf5
- 2.Bxe7#
- 2.d4#
- 1...Rh4
- 2.Rc6#
- 2.d4#
- 1...Sb5
- 2.Sa6#
- 2.Rc4#
- 2.Rc6#
- 1...Se6
- 2.Sa6#
- 2.Rc4#
- 2.Rc6#
- 1...Qxe4!
- threat
- 1.Sd6?
- threat
- 2.Rc4#
- 2.d4#
- 1...Qxe4
- 2.Sxe4#
- 1...Rxg5
- 2.d4#
- 1...Bxe3
- 2.Rc4#
- 2.Qxe3#
- 1...Qf5
- 2.d4#
- 1...Rh4
- 2.d4#
- 1...Sb5
- 2.Sa6#
- 2.Rc4#
- 1...Se6
- 2.Sa6#
- 2.Rc4#
- 1...Sc6
- 2.Rc4#
- 2.Rxc6#
- 1...Sf5!
- threat
- 1.Qxd5+?
- 1...Sxd5
- 2.Sa6#
- 2.Rb5#
- 1...Rxd5!
- 1...Sxd5
- 1.Qe5?
- threat
- 2.Qd4#
- 2.Qd6#
- 1...Qxe4
- 2.Bxe7#
- 2.Qd6#
- 1...Bxe3
- 2.Qd6#
- 1...Sb5
- 2.Sa6#
- 2.Rxb5#
- 1...Bg3
- 2.Qd4#
- 1...Se6
- 2.Sa6#
- 2.Rb5#
- 2.Qd6#
- 1...Se8
- 2.Sa6#
- 2.Rb5#
- 2.Qd4#
- 1...Rxe5!
- threat
- 1.b8Q?
- threat
- 2.Rc6#
- 2.Qxc7#
- 1...Sb5
- 2.Sa6#
- 2.Rxb5#
- 1...Qf5
- 2.Bxe7#
- 1...Bg3
- 2.Rc6#
- 1...Sa6
- 2.Sxa6#
- 2.Rb5#
- 2.Rc6#
- 2.Qd6#
- 1...Se6
- 2.Sa6#
- 2.Rb5#
- 2.Rc6#
- 2.Qd6#
- 1...Sa8
- 2.Sa6#
- 2.Rb5#
- 2.Rc6#
- 2.Qd6#
- 1...Se8
- 2.Sa6#
- 2.Rb5#
- 2.Rc6#
- 1...Rxg5!
- threat
- 1.b8R?
- threat
- 2.Rc6#
- 1...Sb5
- 2.Sa6#
- 2.Rxb5#
- 1...Qf5
- 2.Bxe7#
- 1...Rxg5!
- threat
- 1.d8Q?
- threat
- 2.Qxc7#
- 2.Qd6#
- 1...Rxg5
- 2.Qd6#
- 1...Sb5
- 2.Sa6#
- 2.Rxb5#
- 1...Qf5
- 2.Bxe7#
- 2.Qxe7#
- 2.Qd6#
- 1...Sa6
- 2.Sxa6#
- 2.Rb5#
- 2.Qdxd5#
- 2.Qd6#
- 1...Se6
- 2.Sa6#
- 2.Rb5#
- 2.Qdxd5#
- 2.Qd6#
- 1...Sa8
- 2.Sa6#
- 2.Rb5#
- 2.Qdxd5#
- 2.Qd6#
- 1...Se8
- 2.Sa6#
- 2.Rb5#
- 2.Qdxd5#
- 1...Bg3!
- threat
- 1.Sb2?
- Keys
- 1.Se5!
- threat
- 2.d4#
- 1...Qxe4
- 2.Bxe7#
- 1...Bxe3
- 2.Qxe3#
- 1...Bc6
- 2.Rxc6#
- 1...Bc4
- 2.Rxc4#
- 1...Sb5
- 2.Sa6#
- 1...Se6
- 2.Sa6#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- Q(g);N_GUARD,N_SPINB(c)::B(O),XS(f)
- Q(g);N_GUARD::B(O),XS(f)
- B(a);OGATE,XP(D)::QAB(J),XB(a)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(d);N_SPINB(c),XQ(J)::P(C)
- Refutation
- Q(g);P_PINP(D),XR(H)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(d);N_SPINB(c),XQ(J)::P(C)
- Refutation
- Q(g);P_PINP(D),XR(H)
- Try
- S(G);N_PINS(f)
- Threat
- DUALS(2)
- Vars
- Q(g);P_PINP(D),XR(H)::S(G),XQ(g)
- R(d);N_SPINB(c),XQ(J)::P(C)
- Q(g);N_SPINB(c)::P(C)
- R(d);::P(C)
- Refutation
- S(f);N_SPINB(c)
- Try
- Q(J);CHECK,XB(c)
- Refutation
- R(d);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- B(a);XP(D)::QAB1(J)
- B(a);::QAB1(J)
- Refutation
- R(d);N_SPINB(c),XQ(J)
- Try
- P(M);
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD,N_SPINB(c)::B(O),XS(f)
- B(a);::R1(K)
- Refutation
- R(d);N_SPINB(c),XQ(J)
- Try
- P(M);
- Threat
- R1(K)
- Vars
- Q(g);N_GUARD,N_SPINB(c)::B(O),XS(f)
- Refutation
- R(d);N_SPINB(c),XQ(J)
- Try
- P(N);
- Threat
- DUALS(2)
- Vars
- R(d);N_SPINB(c),XQ(J)::QAB1(N)
- Refutation
- B(a);
- Try
- Actual
- S(G);N_PINB(c)
- Threat
- P(C)
- Vars
- Q(g);N_GUARD,P_PINP(D),XR(H)::B(O),XS(f)
- B(a);OGATE,XP(D)::QAB(J),XB(a)
- B(c);N_GUARD::R1(K),XB(c)
- B(c);N_GUARD,P_PINP(C)::R1(H),XB(c)
- S(e);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).