MESON Chess Problem Database
Problem Display
PID: 49498 (3Kb1N1/3pQ3/P2P2pN/rRq4k/2P4p/1P2B3/6Pp/b7 w - - 0 1)
Fontaine, Leon
Source?, 1928
#2
11 + 9
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1948 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Sf6#
- 1...Qg5
- 2.Qxg5#
- 1...Be5
- 2.Qg5#
- 1...Bf6
- 2.Sxf6#
- 1...h3
- 2.g4#
- 1...g5
- 2.Qxe8#
- 1...Qe5
- Tries
- 1.Bc1?
- threat
- 2.Qe2#
- 1...g5
- 2.Qxe8#
- 1...Qe5
- 2.Sf6#
- 1...Qg5
- 2.Qxg5#
- 1...Be5
- 2.Qg5#
- 1...Bf6
- 2.Sxf6#
- 1...h3
- 2.g4#
- 1...Ra2!
- threat
- 1.Bf4?
- threat
- 2.Qe2#
- 1...g5
- 2.Qxe8#
- 1...Qe5
- 2.Sf6#
- 1...Qg5
- 2.Qxg5#
- 1...Be5
- 2.Qg5#
- 1...Bf6
- 2.Sxf6#
- 1...h3
- 2.g4#
- 1...Ra2!
- threat
- 1.Rxc5+?
- 1...Be5
- 2.Sf6#
- 2.Qg5#
- 1...g5
- 2.Qxg5#
- 2.Qxe8#
- 1...Rxc5!
- 1...Be5
- 1.Qe4?
- threat
- 2.Qf3#
- 2.Qg4#
- 1...Bf6+
- 2.Sxf6#
- 1...h3
- 2.Qg4#
- 1...g5
- 2.Qxe8#
- 1...Qg5+!
- threat
- 1.Qe5+?
- 1...Qxe5
- 2.Sf6#
- 1...g5
- 2.Qxe8#
- 1...Bxe5!
- 1...Qxe5
- 1.g3?
- threat
- 2.Qxh4#
- 2.g4#
- 1...g5
- 2.Qxe8#
- 1...h1Q
- 2.g4#
- 1...h1R
- 2.g4#
- 1...Qg5
- 2.Qxg5#
- 2.g4#
- 1...Bf6
- 2.Sxf6#
- 2.g4#
- 1...h3
- 2.Qh4#
- 2.g4#
- 1...hxg3!
- threat
- 1.Bc1?
- Keys
- 1.Bd2!
- threat
- 2.Qe2#
- 1...g5
- 2.Qxe8#
- 1...Qe5
- 2.Sf6#
- 1...Qg5
- 2.Qxg5#
- 1...Be5
- 2.Qg5#
- 1...Bf6
- 2.Sxf6#
- 1...h3
- 2.g4#
- threat
- 1.Bd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(e);S_CUTB(a)::S(K)
- Q(e);N_GUARD,P_PINQ(I)::QAR1(I),XQ(e)
- B(a);N_SPINQ(e),S_CUTQ(e)::QAR1(I)
- B(a);N_GUARD,P_PINQ(I)::S(K),XB(a)
- P(c);N_GUARD::P(A)
- P(g);N_SPINQ(e),OGATEB::QAB(I),XB(i)
- Tries
- Try
- B(C);
- Threat
- QAB(I)
- Vars
- P(g);N_SPINQ(e),OGATEB::QAB(I),XB(i)
- Q(e);S_CUTB(a)::S(K)
- Q(e);N_GUARD,P_PINQ(I)::QAR1(I),XQ(e)
- B(a);N_SPINQ(e),S_CUTQ(e)::QAR1(I)
- B(a);N_GUARD,P_PINQ(I)::S(K),XB(a)
- P(c);N_GUARD::P(A)
- Refutation
- R(d);
- Try
- B(C);
- Threat
- QAB(I)
- Vars
- P(g);N_SPINQ(e),OGATEB::QAB(I),XB(i)
- Q(e);S_CUTB(a)::S(K)
- Q(e);N_GUARD,P_PINQ(I)::QAR1(I),XQ(e)
- B(a);N_SPINQ(e),S_CUTQ(e)::QAR1(I)
- B(a);N_GUARD,P_PINQ(I)::S(K),XB(a)
- P(c);N_GUARD::P(A)
- Refutation
- R(d);
- Try
- R(E);CHECK,XQ(e)
- Refutation
- R(d);XR(E)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,N_GUARD::S(K),XB(a)
- P(c);::QAB1(I)
- P(g);N_SPINQ(e),OGATEB::QAB(I),XB(i)
- Refutation
- Q(e);CHECK
- Try
- Q(I);CHECK,N_PINQ(e)
- Vars
- Q(e);P_SPINQ(e),XQ(I)::S(K)
- P(g);OGATEB,P_SPINP(g)::QAB(I),XB(i)
- Refutation
- B(a);XQ(I)
- Try
- P(A);
- Threat
- DUALS(2)
- Vars
- P(g);N_SPINQ(e),OGATEB::QAB(I),XB(i)
- P(b);::P(A)
- Refutation
- P(c);XP(A)
- Try
- Actual
- B(C);
- Threat
- QAB(I)
- Vars
- P(g);N_SPINQ(e),OGATEB::QAB(I),XB(i)
- Q(e);S_CUTB(a)::S(K)
- Q(e);N_GUARD,P_PINQ(I)::QAR1(I),XQ(e)
- B(a);N_SPINQ(e),S_CUTQ(e)::QAR1(I)
- B(a);N_GUARD,P_PINQ(I)::S(K),XB(a)
- P(c);N_GUARD::P(A)
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).