MESON Chess Problem Database
Problem Display
PID: 124386 (2Q5/5K2/1p1B4/bP1Pp3/1Pp2N2/1Nk1p3/2P3P1/1RR2b2 w - - 0 1)
Schurr, Martial
Le Probleme, 1938
#2
12 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Sxe2#
- 1...Bxg2
- 2.Se2#
- 1...Bd3
- 2.cxd3#
- 1...Bxb4
- 2.Bxe5#
- 1...e2
- 2.Qh3#
- 1...exf4
- 2.Qh8#
- 1...e4
- 2.Qh8#
- 1...Be2
- Tries
- 1.Ke6?
- 1...Bxg2
- 2.Se2#
- 1...Bxb4
- 2.Bxe5#
- 1...exf4
- 2.Qh8#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.cxd3#
- 1...e4
- 2.Qh8#
- 1...e2!
- 1...Bxg2
- 1.Ke7?
- 1...Bxg2
- 2.Se2#
- 1...exf4
- 2.Qh8#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.cxd3#
- 1...e2
- 2.Qh3#
- 1...e4
- 2.Qh8#
- 1...Bxb4!
- 1...Bxg2
- 1.Sd3?
- threat
- 2.Bxe5#
- 1...e4
- 2.Be5#
- 2.Qh8#
- 1...Bxd3!
- threat
- 1.Be7?
- 1...Bxg2
- 2.Se2#
- 1...exf4
- 2.Qh8#
- 1...e4
- 2.Qh8#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.cxd3#
- 1...e2
- 2.Qh3#
- 1...Bxb4!
- 1...Bxg2
- 1.Qh3?
- 1...Bxg2
- 2.Se2#
- 2.Qxe3#
- 1...Bxb4
- 2.Bxe5#
- 1...exf4
- 2.Qh8#
- 1...e4
- 2.Qh8#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.cxd3#
- 1...cxb3!
- 1...Bxg2
- 1.Qg4?
- 1...Bxg2
- 2.Se2#
- 1...Bxb4
- 2.Bxe5#
- 1...exf4
- 2.Qg7#
- 1...e4
- 2.Qg7#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.cxd3#
- 1...e2
- 2.Qf3#
- 2.Qh3#
- 2.Qg3#
- 1...cxb3!
- 1...Bxg2
- 1.Qf5?
- threat
- 2.Qxe5#
- 1...exf4
- 2.Qe5#
- 2.Qf6#
- 1...e4
- 2.Qe5#
- 2.Qf6#
- 1...cxb3!
- threat
- 1.Qe6?
- threat
- 2.Qxe5#
- 1...exf4
- 2.Qe5#
- 2.Qf6#
- 1...e4
- 2.Qe5#
- 2.Qf6#
- 1...cxb3!
- threat
- 1.Qc5?
- threat
- 2.Bxe5#
- 1...exf4
- 2.Be5#
- 2.Qd4#
- 1...e4
- 2.Be5#
- 2.Qd4#
- 1...bxc5!
- threat
- 1.Qe8?
- threat
- 2.Qxe5#
- 1...exf4
- 2.Qe5#
- 2.Qh8#
- 1...e4
- 2.Qe5#
- 2.Qh8#
- 1...cxb3!
- threat
- 1.Qf8?
- threat
- 2.Bxe5#
- 1...exf4
- 2.Be5#
- 2.Qg7#
- 2.Qh8#
- 1...e4
- 2.Be5#
- 2.Qg7#
- 2.Qh8#
- 1...cxb3!
- threat
- 1.Qg8?
- 1...Bxg2
- 2.Se2#
- 1...Bxb4
- 2.Bxe5#
- 1...exf4
- 2.Qg7#
- 2.Qh8#
- 1...e4
- 2.Qg7#
- 2.Qh8#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.cxd3#
- 1...e2
- 2.Qg3#
- 1...cxb3!
- 1...Bxg2
- 1.g3?
- 1...Bxb4
- 2.Bxe5#
- 1...exf4
- 2.Qh8#
- 1...e4
- 2.Qh8#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bd3
- 2.cxd3#
- 1...Bh3
- 2.Se2#
- 1...e2!
- 1...Bxb4
- 1.g4?
- 1...Bxb4
- 2.Bxe5#
- 1...exf4
- 2.Qh8#
- 1...e4
- 2.Qh8#
- 1...Be2
- 2.Sxe2#
- 1...Bg2
- 2.Se2#
- 1...Bd3
- 2.cxd3#
- 1...Bh3
- 2.Se2#
- 1...e2!
- 1...Bxb4
- 1.bxa5?
- 1...Bxg2
- 2.Se2#
- 1...exf4
- 2.Qh8#
- 1...e2
- 2.Qh3#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.cxd3#
- 1...e4
- 2.Qh8#
- 1...bxa5!
- 1...Bxg2
- 1.Ke6?
- Keys
- 1.Kg6!
- 1...Bd3+
- 2.cxd3#
- 1...Bxg2
- 2.Se2#
- 1...Bxb4
- 2.Bxe5#
- 1...exf4
- 2.Qh8#
- 1...Be2
- 2.Sxe2#
- 1...e2
- 2.Qh3#
- 1...e4
- 2.Qh8#
- 1...Bd3+
- 1.Kg6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::S(G),XB(a)
- B(a);N_GUARD,XP(D)::S(G)
- B(a);OGATE::R(B)+P(C),XB(a)
- B(e);SBLOCK,XP(F)::B(J),XP(f)
- P(c);OGATEB::QAR(L)
- P(f);OGATEB,XS(G)::QAB(L)
- P(f);OGATEB::QAB(L)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- B(a);N_GUARD,XP(D)::S(G)
- B(e);SBLOCK,XP(F)::B(J),XP(f)
- P(f);OGATEB,XS(G)::QAB(L)
- B(a);N_GUARD::S(G),XB(a)
- B(a);OGATE::R(B)+P(C),XB(a)
- P(f);OGATEB::QAB(L)
- Refutation
- P(c);
- Try
- K(K);P-FLIGHT
- Vars
- B(a);N_GUARD,XP(D)::S(G)
- P(f);OGATEB,XS(G)::QAB(L)
- B(a);N_GUARD::S(G),XB(a)
- B(a);OGATE::R(B)+P(C),XB(a)
- P(c);OGATEB::QAR(L)
- P(f);OGATEB::QAB(L)
- Refutation
- B(e);P_PINB(J),XP(F)
- Try
- S(G);
- Threat
- B(J),XP(f)
- Refutation
- B(a);XS(G)
- Try
- B(J);
- Vars
- B(a);N_GUARD,XP(D)::S(G)
- P(f);OGATEB,XS(G)::QAB(L)
- P(f);OGATEB::QAB(L)
- B(a);N_GUARD::S(G),XB(a)
- B(a);OGATE::R(B)+P(C),XB(a)
- P(c);OGATEB::QAR(L)
- Refutation
- B(e);XP(F)
- Try
- Q(L);N_PINP(d),P_PINP(c)
- Vars
- B(e);SBLOCK,XP(F)::B(J),XP(f)
- P(f);OGATEB,XS(G)::QAB(L)
- P(f);OGATEB::QAB(L)
- B(a);N_GUARD::S(G),XB(a)
- B(a);N_SPINP(c),OGATE::R(B)+P(C),XB(a)
- Refutation
- P(d);XS(E)
- Try
- Q(L);N_PINP(d)
- Vars
- B(a);N_GUARD,XP(D)::S(G)
- B(e);SBLOCK,XP(F)::B(J),XP(f)
- P(f);OGATEB,XS(G)::QAB(L)
- P(f);OGATEB::QAB(L)
- B(a);N_GUARD::S(G),XB(a)
- B(a);OGATE::R(B)+P(C),XB(a)
- Refutation
- P(d);XS(E)
- Try
- Q(L);N_PINP(d)
- Threat
- QAB(L),XP(f)
- Refutation
- P(d);XS(E)
- Try
- Q(L);N_PINP(d)
- Threat
- QAB(L),XP(f)
- Refutation
- P(d);XS(E)
- Try
- Q(L);
- Threat
- B(J),XP(f)
- Refutation
- P(g);N_SPINP(d),XQ(L)
- Try
- Q(L);N_PINP(d)
- Threat
- QAB(L),XP(f)
- Refutation
- P(d);XS(E)
- Try
- Q(L);N_PINP(d)
- Threat
- B(J),XP(f)
- Refutation
- P(d);XS(E)
- Try
- Q(L);N_PINP(d)
- Vars
- B(a);N_GUARD,XP(D)::S(G)
- B(e);SBLOCK,XP(F)::B(J),XP(f)
- B(a);N_GUARD::S(G),XB(a)
- B(a);OGATE::R(B)+P(C),XB(a)
- P(c);OGATEB::QAR(L)
- Refutation
- P(d);XS(E)
- Try
- P(D);
- Vars
- B(e);SBLOCK,XP(F)::B(J),XP(f)
- P(f);OGATEB,XS(G)::QAB(L)
- P(f);OGATEB::QAB(L)
- B(a);N_GUARD::S(G),XB(a)
- B(a);N_GUARD::S(G)
- B(a);OGATE::R(B)+P(C),XB(a)
- Refutation
- P(c);
- Try
- P(D);
- Vars
- B(e);SBLOCK,XP(F)::B(J),XP(f)
- P(f);OGATEB,XS(G)::QAB(L)
- P(f);OGATEB::QAB(L)
- B(a);N_GUARD::S(G),XB(a)
- B(a);N_GUARD::S(G)
- B(a);OGATE::R(B)+P(C),XB(a)
- Refutation
- P(c);
- Try
- P(F);XB(e)
- Vars
- B(a);N_GUARD,XP(D)::S(G)
- P(f);OGATEB,XS(G)::QAB(L)
- P(c);OGATEB::QAR(L)
- B(a);N_GUARD::S(G),XB(a)
- B(a);OGATE::R(B)+P(C),XB(a)
- P(f);OGATEB::QAB(L)
- Refutation
- P(g);XP(F)
- Try
- Actual
- K(K);S_FLIGHT
- Vars
- B(a);CHECK,OGATE::R(B)+P(C),XB(a)
- B(a);N_GUARD,XP(D)::S(G)
- B(e);SBLOCK,XP(F)::B(J),XP(f)
- P(f);OGATEB,XS(G)::QAB(L)
- B(a);N_GUARD::S(G),XB(a)
- P(c);OGATEB::QAR(L)
- P(f);OGATEB::QAB(L)
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).