MESON Chess Problem Database
Problem Display
PID: 140130 (8/1pp5/q7/4Ppp1/1B1k2P1/3NR1Qp/3N1P1K/7B w - - 0 1)
Wolfs, WJ
Probleemblad, 1970
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Qxd3
- 2.Rxd3#
- 1...fxg4
- 2.Qxg4#
- 1...Qxd3
- Tries
- 1.Sc1?
- threat
- 2.Scb3#
- 1...Qd3
- 2.Rxd3#
- 1...Qa2
- 2.Se2#
- 2.Rd3#
- 1...Qa3
- 2.Se2#
- 1...Qa4
- 2.Se2#
- 2.Rd3#
- 1...Qe6
- 2.Se2#
- 2.Rd3#
- 1...Qc4!
- threat
- 1.Se1?
- threat
- 2.Sc2#
- 1...Qd3
- 2.Rxd3#
- 1...Qa2
- 2.Rd3#
- 1...Qa4
- 2.Rd3#
- 1...Qc6
- 2.Rd3#
- 1...Qc4!
- threat
- 1.Sc5?
- threat
- 2.Scb3#
- 1...Qd3
- 2.Se6#
- 2.Rxd3#
- 1...Qa2
- 2.Rd3#
- 1...Qa3
- 2.Se6#
- 1...Qa4
- 2.Se6#
- 2.Rd3#
- 1...Qe6
- 2.Sxe6#
- 2.Rd3#
- 1...Qc4!
- threat
- 1.gxf5?
- threat
- 2.Qg4#
- 1...Qxd3
- 2.Rxd3#
- 1...g4
- 2.Qf4#
- 2.Qxg4#
- 1...Qc6!
- threat
- 1.Sc1?
- Keys
- 1.Sf4!
- 1...fxg4
- 2.Re4#
- 1...gxf4
- 2.Qxf4#
- 1...Qc4
- 2.Sf3#
- 1...Qf1
- 2.Se6#
- 1...Qe2
- 2.Sxe2#
- 2.Se6#
- 1...Qd3
- 2.Se6#
- 1...Qb5
- 2.Se6#
- 1...Qa1
- 2.Se2#
- 2.Se6#
- 1...Qa2
- 2.Se2#
- 1...Qa3
- 2.Se2#
- 2.Se6#
- 1...Qa4
- 2.Se2#
- 2.Se6#
- 1...Qa5
- 2.Se2#
- 2.Se6#
- 1...Qb6
- 2.Se2#
- 1...Qc6
- 2.Se2#
- 1...Qd6
- 2.Se2#
- 1...Qe6
- 2.Se2#
- 2.Sxe6#
- 1...Qf6
- 2.Se2#
- 1...Qg6
- 2.Se2#
- 1...Qh6
- 2.Se2#
- 1...Qa7
- 2.Se2#
- 2.Se6#
- 1...Qa8
- 2.Se2#
- 2.Se6#
- 1...b5
- 2.Se2#
- 1...b6
- 2.Se6#
- 1...c5
- 2.Bc3#
- 1...c6
- 2.Se6#
- 1...fxg4
- 1.Sf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 15
- REMOVED MATES = 0
- Sets
- Q(e);OGATE,XS(E)::R1(F),XQ(e)
- P(c);OGATE,XP(I)::QAR(G),XP(c)
- Tries
- Try
- S(E);
- Threat
- S(E)
- Vars
- Q(e);N_GUARD::R1(F),XQ(e)
- Q(e);N_GUARD::S(E)
- Refutation
- Q(e);
- Try
- S(E);
- Threat
- S(E)
- Vars
- Q(e);N_GUARD::R1(F),XQ(e)
- Q(e);N_GUARD::R1(F)
- Refutation
- Q(e);
- Try
- S(E);
- Threat
- S(E)
- Vars
- Q(e);N_GUARD::R1(F)
- Q(e);N_GUARD::S(E)
- Refutation
- Q(e);
- Try
- P(I);XP(c)
- Threat
- QAR(G)
- Vars
- Q(e);OGATE,XS(E)::R1(F),XQ(e)
- Refutation
- Q(e);
- Try
- Actual
- S(E);
- Vars
- P(c);N_GUARD,XP(I)::R1(F)
- P(d);OGATE,XS(E)::QAR2(G),XP(d)
- Q(e);SBLOCK::S(B)
- Q(e);N_GUARD::S(E)
- P(f);S_CUTQ(e)::S(E)
- P(g);SBLOCK::B(H)
- P(g);S_CUTQ(e)::S(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).