MESON Chess Problem Database
Problem Display
PID: 248669 (4R1Q1/2B1rp2/2Bq1p2/2n2b2/1N1P1k1P/K3N1nr/5PP1/8 w - - 0 1)
Leroy, Dominique
Het Belgisch Schaakbord (L'Echiquier Belge), 2007
#2
11 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qxg3#
- 1...Rh2
- 2.Qxg3#
- 1...Rxh4
- 2.Qxg3#
- 1...Rxe3+
- 2.fxe3#
- 1...Re4
- 2.Sed5#
- 2.Sbd5#
- 1...Rd7
- 2.Sed5#
- 2.Sbd5#
- 1...Bb1
- 2.Qg4#
- 1...Bc2
- 2.Qg4#
- 1...Bd3
- 2.Qg4#
- 1...Be4
- 2.Qg4#
- 1...Bg4
- 2.Qxg4#
- 1...Be6
- 2.Bxd6#
- 1...Bh7
- 2.Qg4#
- 1...Sge4
- 2.Sd5#
- 1...Sce4
- 2.Sd5#
- 1...Se6
- 2.Bxd6#
- 1...Rh1
- Tries
- 1.Sd3+?
- 1...Bxd3
- 2.Qg4#
- 1...Sxd3+!
- 1...Bxd3
- 1.Rxe7?
- threat
- 2.Sed5#
- 2.Sbd5#
- 2.Bxd6#
- 1...Qxc7
- 2.Sed5#
- 2.Sbd5#
- 1...Bb1
- 2.Sbd5#
- 2.Bxd6#
- 2.Qg4#
- 1...Bc2
- 2.Sbd5#
- 2.Bxd6#
- 2.Qg4#
- 1...Bd3
- 2.Sbd5#
- 2.Bxd6#
- 2.Qg4#
- 1...Be4
- 2.Bxd6#
- 2.Qg4#
- 1...Bg4
- 2.Sbd5#
- 2.Bxd6#
- 2.Qxg4#
- 1...Be6
- 2.Bxd6#
- 1...Bg6
- 2.Sbd5#
- 2.Bxd6#
- 1...Bd7
- 2.Sbd5#
- 2.Bxd6#
- 1...Bh7
- 2.Sbd5#
- 2.Bxd6#
- 2.Qg4#
- 1...Bc8
- 2.Sbd5#
- 2.Bxd6#
- 1...Sf1
- 2.Sd5#
- 2.Bxd6#
- 1...Sh1
- 2.Sd5#
- 2.Bxd6#
- 1...Se2
- 2.Sd5#
- 2.Bxd6#
- 1...Sge4
- 2.Sd5#
- 1...Sh5
- 2.Sd5#
- 2.Bxd6#
- 1...Sb3
- 2.Sd5#
- 2.Bxd6#
- 1...Sd3
- 2.Sd5#
- 1...Sa4
- 2.Sd5#
- 2.Bxd6#
- 1...Sce4
- 2.Sd5#
- 1...Sa6
- 2.Sd5#
- 2.Bxd6#
- 1...Se6
- 2.Bxd6#
- 1...Sb7
- 2.Sd5#
- 1...Sd7
- 2.Sd5#
- 1...Qe5!
- threat
- 1.Sd3+?
- Keys
- 1.Qg7!
- threat
- 2.Qh6#
- 1...Rxe3+
- 2.fxe3#
- 1...Rxh4
- 2.Qxg3#
- 1...Sge4
- 2.Sd5#
- 1...Sce4
- 2.Sd5#
- 1...Se6
- 2.Bxd6#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD::QAB1(K),XS(a)
- R(b);N_GUARD,XP(G)::QAB1(K),XS(a)
- R(h);CHECK,OGATE,XS(D)::P(A),XR(h)
- B(e);N_GUARD::QAR1(K)
- B(e);N_GUARD::QAR1(K),XB(e)
- B(e);S_CUTR(h)::B(I),XQ(f)
- S(a);P_PINS(D),SBLOCK::S(E)
- S(d);P_PINS(E),SBLOCK::S(D)
- S(d);P_PINS(E),S_CUTR(h)::B(I),XQ(f)
- Tries
- Try
- S(E);CHECK
- Vars
- B(e);XS(E)::QAR1(K)
- Refutation
- S(d);CHECK,XS(E)
- Try
- R(J);XR(h)
- Threat
- DUALS(3)
- Vars
- B(e);::B(I),XQ(f)
- S(a);P_PINS(D)::S(E)
- S(d);P_PINS(E)::S(D)
- S(d);P_PINS(E)::B(I),XQ(f)
- Refutation
- Q(f);
- Try
- Actual
- Q(K);
- Threat
- QAB(K)
- Vars
- R(h);CHECK,OGATE,XS(D)::P(A),XR(h)
- R(b);N_GUARD,XP(G)::QAB1(K),XS(a)
- S(a);P_PINS(D),SBLOCK::S(E)
- S(d);P_PINS(E),SBLOCK::S(D)
- S(d);P_PINS(E),S_CUTR(h)::B(I),XQ(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).