MESON Chess Problem Database
Problem Display
PID: 70687 (8/2p3p1/2p3p1/2Q3B1/5Npp/2n3kr/7p/K2n3B w - - 0 1)
Oudot, Jean
La Nation Belge, 1956
#2
5 + 11
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Se2
- 2.Sxe2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...Sb2
- Tries
- 1.Bf6?
- 1...Kxf4
- 2.Qe5#
- 1...Se3
- 2.Qxe3#
- 1...Se2
- 2.Sxe2#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sb1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...g5
- 2.Sh5#
- 1...gxf6!
- 1...Kxf4
- 1.Bh6?
- 1...Se3
- 2.Qxe3#
- 1...g5
- 2.Sh5#
- 1...Se2
- 2.Sxe2#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sb1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...gxh6!
- 1...Se3
- 1.Be7?
- 1...Se3
- 2.Qxe3#
- 1...Se2
- 2.Sxe2#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sb1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...g5
- 2.Sh5#
- 1...Kxf4!
- 1...Se3
- 1.Qd4?
- 1...Se3
- 2.Qxe3#
- 1...Se2
- 2.Sxe2#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sb1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...c5!
- 1...Se3
- 1.Qa7?
- 1...Se3
- 2.Qxe3#
- 1...Se2
- 2.Sxe2#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sb1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...c5!
- 1...Se3
- 1.Bf6?
- Keys
- 1.Bd8!
- 1...Kxf4
- 2.Bxc7#
- 1...Se3
- 2.Qxe3#
- 1...Se2
- 2.Sxe2#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Sb1
- 2.Se2#
- 1...Sa2
- 2.Se2#
- 1...Sa4
- 2.Se2#
- 1...Se4
- 2.Se2#
- 1...Sb5
- 2.Se2#
- 1...Sd5
- 2.Se2#
- 1...g5
- 2.Sh5#
- 1...Kxf4
- 1.Bd8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAR2(D)
- S(a);N_GUARD::QAR2(D),XS(a)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- Tries
- Try
- B(E);
- Vars
- K(d);OGATEB,S_FLIGHT,XS(C)::QAB1(D)
- S(a);N_GUARD::QAR2(D),XS(a)
- S(c);N_GUARD::S(C),XS(c)
- S(a);N_GUARD::QAR2(D)
- S(c);N_GUARD::S(C)
- P(i);N_GUARD::S(C)
- Refutation
- P(k);XB(E)
- Try
- B(E);
- Vars
- S(a);N_GUARD::QAR2(D),XS(a)
- P(i);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- S(a);N_GUARD::QAR2(D)
- S(c);N_GUARD::S(C)
- Refutation
- P(k);XB(E)
- Try
- B(E);
- Vars
- S(a);N_GUARD::QAR2(D),XS(a)
- S(c);N_GUARD::S(C),XS(c)
- S(a);N_GUARD::QAR2(D)
- S(c);N_GUARD::S(C)
- P(i);N_GUARD::S(C)
- Refutation
- K(d);S_FLIGHT,XS(C)
- Try
- Q(D);
- Vars
- S(a);N_GUARD::QAR2(D),XS(a)
- S(c);N_GUARD::S(C),XS(c)
- S(a);N_GUARD::QAR2(D)
- S(c);N_GUARD::S(C)
- Refutation
- P(h);
- Try
- Q(D);
- Vars
- S(a);N_GUARD::QAR2(D),XS(a)
- S(c);N_GUARD::S(C),XS(c)
- S(a);N_GUARD::QAR2(D)
- S(c);N_GUARD::S(C)
- Refutation
- P(h);
- Try
- Actual
- B(E);
- Vars
- K(d);OGATEB,S_FLIGHT,XS(C)::B(E),XP(j)
- S(a);N_GUARD::QAR2(D),XS(a)
- S(c);N_GUARD::S(C),XS(c)
- S(a);N_GUARD::QAR2(D)
- S(c);N_GUARD::S(C)
- P(i);N_GUARD::S(C)
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).