MESON Chess Problem Database
Problem Display
PID: 196643 (8/3B2p1/3P2Q1/2p1P3/2Pn1N2/4Pk2/3p1P1n/3K2Bb w - - 0 1)
Burbach, Johannes Jacob
Haagsche Post, 1943
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Qxg2#
- 1...Sf1
- 2.Bg4#
- 1...Sg4
- 2.Bxg4#
- 1...Sc2
- 2.Bc6#
- 1...Se2
- 2.Bc6#
- 1...Sb3
- 2.Bc6#
- 1...Sb5
- 2.Bc6#
- 1...Sf5
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Se6
- 2.Bc6#
- 1...Bg2
- Tries
- 1.Se2?
- 1...Sxe2
- 2.Bc6#
- 1...Sg4
- 2.Qxg4#
- 1...Sf5
- 2.Bc6#
- 1...Sf1
- 2.Qg4#
- 1...Sc2
- 2.Bc6#
- 1...Sb3
- 2.Bc6#
- 1...Sb5
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Se6
- 2.Bc6#
- 1...Bg2!
- 1...Sxe2
- 1.Sg2?
- threat
- 2.Sh4#
- 1...Sf5
- 2.Bc6#
- 1...Bxg2!
- threat
- 1.Sd3?
- 1...Sg4
- 2.Qxg4#
- 1...Sf5
- 2.Bc6#
- 1...Sf1
- 2.Qg4#
- 1...Sc2
- 2.Bc6#
- 1...Se2
- 2.Bc6#
- 1...Sb3
- 2.Bc6#
- 1...Sb5
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Se6
- 2.Bc6#
- 1...Bg2!
- 1...Sg4
- 1.Sh5?
- 1...Sg4
- 2.Qxg4#
- 1...Sf5
- 2.Bc6#
- 1...Sf1
- 2.Qg4#
- 1...Sc2
- 2.Bc6#
- 1...Se2
- 2.Bc6#
- 1...Sb3
- 2.Bc6#
- 1...Sb5
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Se6
- 2.Bc6#
- 1...Bg2!
- 1...Sg4
- 1.Bf5?
- threat
- 2.Be4#
- 2.Qg3#
- 1...Sf1
- 2.Be4#
- 2.Bg4#
- 2.Qh5#
- 2.Qg4#
- 1...Sg4
- 2.Be4#
- 2.Bxg4#
- 2.Qxg4#
- 1...Se2
- 2.Be4#
- 1...Sxf5!
- threat
- 1.Bc8?
- 1...Sf5
- 2.Bb7#
- 1...Bg2
- 2.Qxg2#
- 1...Sf1
- 2.Bg4#
- 1...Sg4
- 2.Bxg4#
- 1...Sc2
- 2.Bb7#
- 1...Se2
- 2.Bb7#
- 1...Sb3
- 2.Bb7#
- 1...Sb5
- 2.Bb7#
- 1...Se6
- 2.Bb7#
- 1...Sc6!
- 1...Sf5
- 1.Qh5+?
- 1...Sg4
- 2.Qxh1#
- 1...Ke4!
- 1...Sg4
- 1.Se2?
- Keys
- 1.Sh3!
- 1...Sg4
- 2.Qxg4#
- 1...Sf5
- 2.Bc6#
- 1...Bg2
- 2.Sg5#
- 1...Sf1
- 2.Qg4#
- 1...Sc2
- 2.Bc6#
- 1...Se2
- 2.Bc6#
- 1...Sb3
- 2.Bc6#
- 1...Sb5
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Se6
- 2.Bc6#
- 1...Sg4
- 1.Sh3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAB1(I),XB(a)
- S(c);N_GUARD::B(J)
- S(c);N_GUARD::B(J),XS(c)
- S(e);N_GUARD::B(J)
- S(e);N_GUARD::B(J),XS(e)
- Tries
- Try
- S(F);
- Vars
- S(e);N_GUARD,XS(F)::B(J)
- S(c);N_GUARD::QAB1(I),XS(c)
- S(e);N_GUARD::B(J)
- S(c);N_GUARD::QAB1(I)
- S(e);N_GUARD::B(J),XS(e)
- Refutation
- B(a);
- Try
- S(F);
- Threat
- S(F)
- Vars
- S(e);N_GUARD::B(J)
- Refutation
- B(a);XS(F)
- Try
- S(F);
- Vars
- S(c);N_GUARD::QAB1(I),XS(c)
- S(e);N_GUARD::B(J)
- S(c);N_GUARD::QAB1(I)
- S(e);N_GUARD::B(J),XS(e)
- Refutation
- B(a);
- Try
- S(F);
- Vars
- S(c);N_GUARD::QAB1(I),XS(c)
- S(e);N_GUARD::B(J)
- S(c);N_GUARD::QAB1(I)
- S(e);N_GUARD::B(J),XS(e)
- Refutation
- B(a);
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- S(e);::B(J)
- Refutation
- S(e);XB(J)
- Try
- B(J);
- Vars
- S(e);N_GUARD::B(J)
- B(a);N_GUARD::QAB1(I),XB(a)
- S(c);N_GUARD::B(J)
- S(c);N_GUARD::B(J),XS(c)
- Refutation
- S(e);
- Try
- Q(I);CHECK
- Vars
- S(c);OGATE,P_SPINS(c)::QAB(I),XB(a)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- S(F);
- Vars
- S(c);N_GUARD::QAB1(I),XS(c)
- S(e);N_GUARD::B(J)
- B(a);SBLOCK::S(F)
- S(c);N_GUARD::QAB1(I)
- S(e);N_GUARD::B(J),XS(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).