MESON Chess Problem Database
Problem Display
PID: 56228 (q1NN3K/2RP3B/5p2/r2k1n2/Q1nB1P2/4PP2/b7/4b1r1 w - - 0 1)
Loustau, Jean-Marc
6th Place, 07. WCCT, 2003-2004
#2
11 + 9
| 145 | StrateGems | 2004 |
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Qxc6#
- 1...Qa7
- 2.Qc6#
- 1...Qb8
- 2.Qc6#
- 1...Qxc8
- 2.Qc6#
- 1...Rf1
- 2.Bg8#
- 1...Rg8+
- 2.Bxg8#
- 1...Rxa4
- 2.Rc5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Rxc5#
- 1...Ra6
- 2.Rc5#
- 2.Qb5#
- 1...Ra7
- 2.Rc5#
- 2.Qb5#
- 1...Bg3
- 2.Bg8#
- 1...Bb1
- 2.Qxc4#
- 1...Sb2
- 2.e4#
- 1...Sa3
- 2.e4#
- 1...Se5
- 2.e4#
- 1...Sb6
- 2.e4#
- 1...Scd6
- 2.Sb6#
- 1...Sg3
- 2.Bg8#
- 1...Sxd4
- 2.Be4#
- 2.e4#
- 1...Sh4
- 2.Be4#
- 1...Sfd6
- 2.Se7#
- 1...Sh6
- 2.Be4#
- 1...Se7
- 2.Be4#
- 1...Sg7
- 2.Be4#
- 1...Qc6
- Tries
- 1.Be5?
- threat
- 2.e4#
- 1...Rg8+
- 2.Bxg8#
- 1...Scxe3
- 2.Sb6#
- 2.Qe4#
- 1...Sfxe3
- 2.Se7#
- 2.Be4#
- 1...Qc6
- 2.Qxc6#
- 1...Sd2
- 2.Sb6#
- 1...Bb1
- 2.Qxc4#
- 1...Scd6
- 2.Sb6#
- 1...Sg3
- 2.Se7#
- 2.Bg8#
- 1...Sfd6
- 2.Se7#
- 1...fxe5!
- threat
- 1.Bxf6?
- threat
- 2.e4#
- 1...Rg8+
- 2.Bxg8#
- 1...Qxc8
- 2.Qc6#
- 1...Scxe3
- 2.Qe4#
- 1...Sfxe3
- 2.Be4#
- 1...Qc6
- 2.Qxc6#
- 1...Bb1
- 2.Qxc4#
- 1...Scd6
- 2.Sb6#
- 1...Sg3
- 2.Bg8#
- 1...Sfd6
- 2.Se7#
- 1...Sd2!
- threat
- 1.Qc2?
- threat
- 2.Qe4#
- 1...Rg8+
- 2.Bxg8#
- 1...Sd2
- 2.Qxf5#
- 1...Bb1
- 2.Qxc4#
- 1...Scd6
- 2.Sb6#
- 1...Sg3
- 2.Bg8#
- 1...Sfd6
- 2.Se7#
- 1...Qxc8!
- threat
- 1.Qxa5+?
- 1...Bxa5
- 2.Rc5#
- 1...Sxa5
- 2.Rc5#
- 1...Qxa5!
- 1...Bxa5
- 1.Be5?
- Keys
- 1.Ba7!
- threat
- 2.e4#
- 1...Rg8+
- 2.Bxg8#
- 1...Qxa7
- 2.Qc6#
- 1...Qxc8
- 2.Qc6#
- 1...Rxa7
- 2.Qb5#
- 1...Scxe3
- 2.Qe4#
- 1...Sfxe3
- 2.Be4#
- 1...Sd2
- 2.Qxa5#
- 1...Rc5
- 2.Rxc5#
- 1...Bb1
- 2.Qxc4#
- 1...Scd6
- 2.Sb6#
- 1...Sg3
- 2.Bg8#
- 1...Sfd6
- 2.Se7#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 14
- Sets
- Q(i);N_GUARD::QAB1(C),XQ(i)
- Q(i);N_GUARD::QAB1(C)
- Q(i);N_GUARD,P_PINS(J),XS(I)::QAB1(C)
- R(b);N_GUARD::B(H)
- R(b);CHECK,N_GUARD::B(H),XR(b)
- R(e);N_GUARD,XQ(C)::R1(F)
- R(e);N_GUARD::QAR2(C),XR(e)
- R(e);N_GUARD::R1(F),XR(e)
- B(a);S_CUTR(b)::B(H)
- B(c);N_GUARD::QAB1(C),XS(d)
- S(d);::P(A)
- S(d);N_GUARD,SBLOCK::S(I)
- S(g);S_CUTR(b)::B(H)
- S(g);OGATE::B(H)
- S(g);N_GUARD,SBLOCK::S(I)
- Tries
- Try
- B(D);
- Threat
- P(A)
- Vars
- R(b);CHECK,N_GUARD::B(H),XR(b)
- Q(i);N_GUARD::QAB1(C),XQ(i)
- S(d);N_GUARD::S(I)
- B(c);N_GUARD::QAB1(C),XS(d)
- S(g);N_GUARD::S(I)
- Refutation
- P(h);XB(D)
- Try
- B(D);XP(h)
- Threat
- P(A)
- Vars
- R(b);CHECK,N_GUARD::B(H),XR(b)
- Q(i);N_GUARD,P_PINS(J),XS(I)::QAB1(C)
- S(d);OGATE,XP(A)::QAB1(C)
- S(g);OGATE,XP(A)::B(H)
- Q(i);N_GUARD::QAB1(C),XQ(i)
- B(c);N_GUARD::QAB1(C),XS(d)
- S(d);N_GUARD,SBLOCK::S(I)
- S(g);S_CUTR(b)::B(H)
- S(g);N_GUARD,SBLOCK::S(I)
- Refutation
- S(d);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- R(b);CHECK,N_GUARD::B(H),XR(b)
- S(d);N_GUARD::QAR2(C),XS(g)
- B(c);N_GUARD::QAB1(C),XS(d)
- S(d);N_GUARD,SBLOCK::S(I)
- S(g);S_CUTR(b)::B(H)
- S(g);N_GUARD,SBLOCK::S(I)
- Refutation
- Q(i);P_PINS(J),XS(I)
- Try
- Q(C);CHECK,XR(e)
- Vars
- B(a);XQ(C)::R1(F)
- S(d);XQ(C)::R1(F)
- Refutation
- Q(i);XQ(C)
- Try
- Actual
- B(D);
- Threat
- P(A)
- Vars
- R(b);CHECK,N_GUARD::B(H),XR(b)
- Q(i);N_GUARD,XB(D)::QAB1(C)
- Q(i);N_GUARD,P_PINS(J),XS(I)::QAB1(C)
- R(e);N_GUARD,XB(D)::QAR2(C)
- S(d);OGATE,XP(A)::QAB1(C)
- S(g);OGATE,XP(A)::B(H)
- S(d);N_GUARD,S_CUTB(a)::QAR(C),XR(e)
- R(e);N_GUARD::R1(F),XR(e)
- B(c);N_GUARD::QAB1(C),XS(d)
- S(d);N_GUARD,SBLOCK::S(I)
- S(g);S_CUTR(b)::B(H)
- S(g);N_GUARD,SBLOCK::S(I)
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).