MESON Chess Problem Database
Problem Display
PID: 68687 (8/3p2p1/2pR4/2p5/2P2k1p/3B2pP/p5K1/Q7 w - - 0 1)
Hermanson, Halvar
Het Belgisch Schaakbord (L'Echiquier Belge), 1956
#2
6 + 8
SOLUTION
- SOUND
- Sets
- 1...Ke3
- 2.Qc1#
- 1...Kg5
- 2.Qe5#
- 1...Ke3
- Tries
- 1.Rd5?
- threat
- 2.Qe5#
- 2.Qc1#
- 1...Ke3
- 2.Qc1#
- 1...d6
- 2.Qc1#
- 1...cxd5!
- threat
- 1.Re6?
- threat
- 2.Qe5#
- 2.Qc1#
- 1...Kg5
- 2.Qe5#
- 1...d6
- 2.Qc1#
- 1...dxe6!
- threat
- 1.Qd4+?
- 1...Kg5
- 2.Qe5#
- 2.Qg4#
- 1...cxd4!
- 1...Kg5
- 1.Qf6+?
- 1...Ke3
- 2.Qg5#
- 1...gxf6!
- 1...Ke3
- 1.Qf1+?
- 1...Ke3
- 2.Qc1#
- 1...Kg5
- 2.Qf5#
- 1...Ke5!
- 1...Ke3
- 1.Rd5?
- Keys
- 1.Bg6!
- 1...Ke3
- 2.Qe5#
- 1...Kg5
- 2.Qc1#
- 1...Ke3
- 1.Bg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::QAB(A)
- K(c);S_FLIGHT::QAR2(A)
- Tries
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- K(c);S_FLIGHT::QAB(A)
- P(g);::QAB(A)
- Refutation
- P(f);XR(F)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- K(c);S_FLIGHT::QAR2(A)
- P(g);::QAB(A)
- Refutation
- P(g);XR(F)
- Try
- Q(A);CHECK
- Refutation
- P(e);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(c);S_FLIGHT::QAB(A)
- Refutation
- P(h);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(c);S_FLIGHT::QAB(A)
- K(c);OGATE,S_FLIGHT::QAR1(A)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- B(C);
- Vars
- K(c);S_FLIGHT::QAR2(A)
- K(c);S_FLIGHT::QAB(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).