MESON Chess Problem Database
Problem Display
PID: 140167 (6Bq/P1P1pn1p/7R/QN1P1kPK/3prbR1/P2P1n2/6N1/8 w - - 0 1)
van Gool, Johann Christoffel
Probleemblad, 1975
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Bxh7#
- 1...Re5
- 2.Rxf4#
- 1...Be5
- 2.dxe4#
- 1...S3e5
- 2.Sh4#
- 1...S7e5
- 2.Be6#
- 1...e5
- 2.c8Q#
- 2.c8B#
- 1...Qe5
- Tries
- 1.dxe4+?
- 1...Ke5
- 2.Re6#
- 1...Kxe4!
- 1...Ke5
- 1.c8Q+?
- 1...Ke5
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...e6!
- 1...Ke5
- 1.dxe4+?
- Keys
- 1.d6!
- threat
- 2.Sxd4#
- 1...Ke5
- 2.Sc3#
- 1...Qe5
- 2.Bxh7#
- 1...Re5
- 2.Rxf4#
- 1...Be5
- 2.dxe4#
- 1...S3e5
- 2.Sh4#
- 1...S7e5
- 2.Be6#
- 1...e5
- 2.c8Q#
- 2.c8B#
- threat
- 1.d6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(i);N_GUARD,SBLOCK::B(M),XP(h)
- R(c);N_GUARD,SBLOCK::R1(D),XB(d)
- B(d);SBLOCK::P(C),XR(c)
- S(a);N_GUARD,SBLOCK::S(A)
- S(g);OGATE,SBLOCK::B(M)
- P(f);N_GUARD,SBLOCK,S_CUTR(c)::P=Q
- Tries
- Try
- P(C);CHECK,XR(c)
- Vars
- K(e);P-FLIGHT::R1(J)
- Refutation
- K(e);P_SPINB(d),S_FLIGHT,XP(C)
- Try
- P(L);CHECK
- Vars
- K(e);P-FLIGHT::QAR1(L)
- R(c);N_GUARD,P_SPINR(c)::QAB1(L),XR(c)
- Refutation
- P(f);P_SPINP(f)
- Try
- Actual
- P(G);
- Threat
- QAR(E)+S(F),DCHECK,XP(b)
- Vars
- K(e);P-FLIGHT::QAR(E)+S(F)
- Q(i);N_GUARD,SBLOCK::B(M),XP(h)
- R(c);N_GUARD,SBLOCK::R1(D),XB(d)
- B(d);SBLOCK::P(C),XR(c)
- S(a);N_GUARD,SBLOCK::S(A)
- S(g);OGATE,SBLOCK::B(M)
- P(f);N_GUARD,SBLOCK,S_CUTR(c)::P=Q
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).