MESON Chess Problem Database
Problem Display
PID: 196618 (7b/3p1pB1/8/2Pk3P/BPpNb3/8/4Q1N1/7K w - - 0 1)
Boumeester, Hendrikus Bernardus Franciscus
Haagsche Post, 1943
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Sf4#
- 2.Qe5#
- 1...Bc2
- 2.Sf4#
- 2.Qe5#
- 1...Bxg2+
- 2.Qxg2#
- 1...Bd3
- 2.Sf4#
- 2.Qe5#
- 1...Bf3
- 2.Qxf3#
- 2.Qe5#
- 1...Bf5
- 2.Sf4#
- 2.Qe5#
- 1...Bg6
- 2.Sf4#
- 2.Qe5#
- 1...Bh7
- 2.Sf4#
- 2.Qe5#
- 1...c3
- 2.Bb3#
- 2.Qa2#
- 1...d6
- 2.Bc6#
- 1...Bb1
- Tries
- 1.Bc2?
- threat
- 2.Bxe4#
- 2.Qxe4#
- 1...Bxg2+
- 2.Qxg2#
- 1...Bxc2
- 2.Sf4#
- 2.Qe5#
- 1...Bxg7
- 2.Qxe4#
- 1...f6
- 2.Qxe4#
- 1...Bd3
- 2.Sf4#
- 2.Qe5#
- 1...Bf3
- 2.Qxf3#
- 2.Qe5#
- 1...Bf5
- 2.Se3#
- 2.Sf4#
- 2.Qe5#
- 1...Bg6
- 2.Se3#
- 2.Sf4#
- 2.Qe5#
- 1...Bh7
- 2.Se3#
- 2.Sf4#
- 2.Qe5#
- 1...c3
- 2.Bb3#
- 2.Bxe4#
- 1...f5!
- threat
- 1.Bc2?
- Keys
- 1.Sf3!
- threat
- 2.Sf4#
- 1...Ke6
- 2.Qxe4#
- 1...Bxf3
- 2.Qe5#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(b);CHECK,OGATE,XS(C)::QAB(B),XB(b)
- P(d);N_GUARD::B(D)
- Tries
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,OGATE,XS(C)::QAB(B),XB(b)
- B(f);XB(I)::QAB1(B),XB(b)
- P(e);::QAB1(B),XB(b)
- Refutation
- P(e);
- Try
- Actual
- S(F);N_SPINS(C)
- Threat
- S(C)
- Vars
- K(c);P_SPINB(b),S_FLIGHT::QAR2(B),XB(b)
- B(b);OGATE,P_PINS(C),XS(F)::QAR1(B)
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).