MESON Chess Problem Database
Problem Display
PID: 10528 (1qR5/N1bbQ3/5r2/2n3n1/2PkBP1N/1PR1p3/1P2P3/4K3 w - - 0 1)
Goldschmeding, Cornelis
5th HM., Probleemblad, 1965
#2
12 + 8
| 1101 | BCSC Final | 2002-2003 |
| 56 | The Problemist | 2003 |
| 6004 | Henk Hagedoorn Solving Ty. | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Qe5#
- 1...Sd3+
- 2.Rxd3#
- 1...Sa4
- 2.Rd3#
- 1...Scxe4
- 2.Rd3#
- 1...Sa6
- 2.Rd3#
- 1...Sb7
- 2.Rd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Sh3
- 2.Sf3#
- 1...Sgxe4
- 2.Sf3#
- 1...Sf7
- 2.Sf3#
- 1...Sh7
- 2.Sf3#
- 1...Rd6
- Tries
- 1.Bb1?
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf4
- 2.Qxc5#
- 1...Re6
- 2.Sf5#
- 1...Be5
- 2.Qxc5#
- 1...Be6
- 2.Sc6#
- 1...Sce4
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- 1...Sge6
- 2.Sf3#
- 1...Sce6!
- threat
- 1.Bh1?
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf4
- 2.Qxc5#
- 1...Re6
- 2.Sf5#
- 1...Be5
- 2.Qxc5#
- 1...Be6
- 2.Sc6#
- 1...Sce4
- 2.Rd3#
- 1...Sce6
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- 1...Sge6!
- threat
- 1.Bc2?
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf4
- 2.Qxc5#
- 1...Re6
- 2.Sf5#
- 1...Be5
- 2.Qxc5#
- 1...Be6
- 2.Sc6#
- 1...Sce4
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- 1...Sge6
- 2.Sf3#
- 1...Sce6!
- threat
- 1.Bg2?
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf4
- 2.Qxc5#
- 1...Sce6
- 2.Rd3#
- 1...Re6
- 2.Sf5#
- 1...Be5
- 2.Qxc5#
- 1...Be6
- 2.Sc6#
- 1...Sce4
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- 1...Sge6!
- threat
- 1.Bd5?
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Sge6
- 2.Sf3#
- 1...Re6
- 2.Sf5#
- 1...Be5
- 2.Qxc5#
- 1...Be6
- 2.Sc6#
- 1...Sce4
- 2.Rd3#
- 1...Sce6
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- 1...Bxf4!
- threat
- 1.Bf5?
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf4
- 2.Qxc5#
- 1...Sge6
- 2.Sf3#
- 1...Be5
- 2.Qxc5#
- 1...Be6
- 2.Sc6#
- 1...Sce4
- 2.Rd3#
- 1...Sce6
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- 1...Re6!
- threat
- 1.Bg6?
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf4
- 2.Qxc5#
- 1...Sge6
- 2.Sf3#
- 1...Be5
- 2.Qxc5#
- 1...Be6
- 2.Sc6#
- 1...Sce4
- 2.Rd3#
- 1...Sce6
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- 1...Re6!
- threat
- 1.Bh7?
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf4
- 2.Qxc5#
- 1...Sge6
- 2.Sf3#
- 1...Be5
- 2.Qxc5#
- 1...Be6
- 2.Sc6#
- 1...Sce4
- 2.Rd3#
- 1...Sce6
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- 1...Re6!
- threat
- 1.Ba8?
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf4
- 2.Qxc5#
- 1...Sge6
- 2.Sf3#
- 1...Re6
- 2.Sf5#
- 1...Be5
- 2.Qxc5#
- 1...Sce4
- 2.Rd3#
- 1...Sce6
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- 1...Be6!
- threat
- 1.Qxc5+?
- 1...Kxe4
- 2.Qxe3#
- 1...Kxc5!
- 1...Kxe4
- 1.Bb1?
- Keys
- 1.Bb7!
- threat
- 2.Qxe3#
- 1...Sd3+
- 2.Rxd3#
- 1...Sf3+
- 2.Sxf3#
- 1...Bxf4
- 2.Qxc5#
- 1...Sge6
- 2.Sf3#
- 1...Re6
- 2.Sf5#
- 1...Be5
- 2.Qxc5#
- 1...Be6
- 2.Sb5#
- 1...Sce4
- 2.Rd3#
- 1...Sce6
- 2.Rd3#
- 1...Sge4
- 2.Sf3#
- threat
- 1.Bb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 7
- Sets
- R(e);S_CUTB(f)::QAB1(K)
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(c);N_GUARD::R1(E)
- S(c);N_GUARD,XB(G)::R1(E)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- S(d);N_GUARD::S(I)
- S(d);N_GUARD,XB(G)::S(I)
- Tries
- Try
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- B(f);XP(H)::QAB1(K),XS(c)
- R(e);N_GUARD,S_CUTB(g)::S(I)
- B(f);::QAB1(K),XS(c)
- B(g);N_GUARD,S_CUTR(e)::S(J)
- S(c);N_GUARD::R1(E)
- S(d);N_GUARD::S(I)
- Refutation
- S(c);
- Try
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- B(f);XP(H)::QAB1(K),XS(c)
- R(e);N_GUARD,S_CUTB(g)::S(I)
- B(f);::QAB1(K),XS(c)
- B(g);N_GUARD,S_CUTR(e)::S(J)
- S(c);N_GUARD::R1(E)
- S(d);N_GUARD::S(I)
- Refutation
- S(d);
- Try
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- B(f);XP(H)::QAB1(K),XS(c)
- R(e);N_GUARD,S_CUTB(g)::S(I)
- B(f);::QAB1(K),XS(c)
- B(g);N_GUARD,S_CUTR(e)::S(J)
- S(c);N_GUARD::R1(E)
- S(d);N_GUARD::S(I)
- Refutation
- S(c);
- Try
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- B(f);XP(H)::QAB1(K),XS(c)
- S(c);N_GUARD::R1(E)
- R(e);N_GUARD,S_CUTB(g)::S(I)
- B(f);::QAB1(K),XS(c)
- B(g);N_GUARD,S_CUTR(e)::S(J)
- S(d);N_GUARD::S(I)
- Refutation
- S(d);
- Try
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- S(d);N_GUARD::S(I)
- R(e);N_GUARD,S_CUTB(g)::S(I)
- B(f);::QAB1(K),XS(c)
- B(g);N_GUARD,S_CUTR(e)::S(J)
- S(c);N_GUARD::R1(E)
- Refutation
- B(f);XP(H)
- Try
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- B(f);XP(H)::QAB1(K),XS(c)
- S(d);N_GUARD::S(I)
- B(f);::QAB1(K),XS(c)
- B(g);N_GUARD,S_CUTR(e)::S(J)
- S(c);N_GUARD::R1(E)
- Refutation
- R(e);
- Try
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- B(f);XP(H)::QAB1(K),XS(c)
- S(d);N_GUARD::S(I)
- B(f);::QAB1(K),XS(c)
- B(g);N_GUARD,S_CUTR(e)::S(J)
- S(c);N_GUARD::R1(E)
- Refutation
- R(e);
- Try
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- B(f);XP(H)::QAB1(K),XS(c)
- S(d);N_GUARD::S(I)
- B(f);::QAB1(K),XS(c)
- B(g);N_GUARD,S_CUTR(e)::S(J)
- S(c);N_GUARD::R1(E)
- Refutation
- R(e);
- Try
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- B(f);XP(H)::QAB1(K),XS(c)
- S(d);N_GUARD::S(I)
- R(e);N_GUARD,S_CUTB(g)::S(I)
- B(f);::QAB1(K),XS(c)
- S(c);N_GUARD::R1(E)
- Refutation
- B(g);
- Try
- Q(K);CHECK,XS(c)
- Vars
- K(b);OGATE,P-FLIGHT,XB(G)::QAR1(K),XP(a)
- Refutation
- K(b);P_SPINB(f),S_FLIGHT,XQ(K)
- Try
- Actual
- B(G);
- Threat
- QAB1(K),XP(a)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(d);CHECK,N_GUARD::S(I),XS(d)
- B(f);XP(H)::QAB1(K),XS(c)
- S(d);N_GUARD::S(I)
- R(e);N_GUARD,S_CUTB(g)::S(I)
- B(f);::QAB1(K),XS(c)
- B(g);N_GUARD::S(J)
- S(c);N_GUARD::R1(E)
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).