MESON Chess Problem Database
Problem Display
PID: 81246 (8/1K6/8/8/2p5/kBQnB3/8/8 w - - 0 1)
Amirov, Talip Khasanovich
Leninskaya Smena, 1967
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Bxc1#
- 2.Bc5#
- 1...Se1
- 2.Bc1#
- 2.Bc5#
- 1...Sb2
- 2.Bc5#
- 1...Sf2
- 2.Bc1#
- 2.Bc5#
- 1...Sb4
- 2.Bc1#
- 1...Sf4
- 2.Bc1#
- 2.Bc5#
- 1...Sc5+
- 2.Bxc5#
- 1...Se5
- 2.Bc1#
- 2.Bc5#
- 1...Sc1
- Tries
- 1.Kb6?
- 1...Sc1
- 2.Bxc1#
- 2.Bc5#
- 1...Se1
- 2.Bc1#
- 2.Bc5#
- 1...Sb2
- 2.Bc5#
- 1...Sf2
- 2.Bc1#
- 2.Bc5#
- 1...Sb4
- 2.Bc1#
- 1...Sf4
- 2.Bc1#
- 2.Bc5#
- 1...Sc5
- 2.Bc1#
- 2.Bxc5#
- 1...Se5
- 2.Bc1#
- 2.Bc5#
- 1...cxb3!
- 1...Sc1
- 1.Ka7?
- 1...Sc1
- 2.Bxc1#
- 2.Bc5#
- 1...Se1
- 2.Bc1#
- 2.Bc5#
- 1...Sb2
- 2.Bc5#
- 1...Sf2
- 2.Bc1#
- 2.Bc5#
- 1...Sb4
- 2.Bc1#
- 1...Sf4
- 2.Bc1#
- 2.Bc5#
- 1...Sc5
- 2.Bc1#
- 2.Bxc5#
- 1...Se5
- 2.Bc1#
- 2.Bc5#
- 1...cxb3!
- 1...Sc1
- 1.Kc7?
- 1...Sc1
- 2.Bxc1#
- 2.Bc5#
- 1...Se1
- 2.Bc1#
- 2.Bc5#
- 1...Sb2
- 2.Bc5#
- 1...Sf2
- 2.Bc1#
- 2.Bc5#
- 1...Sb4
- 2.Bc1#
- 1...Sf4
- 2.Bc1#
- 2.Bc5#
- 1...Sc5
- 2.Bc1#
- 2.Bxc5#
- 1...Se5
- 2.Bc1#
- 2.Bc5#
- 1...cxb3!
- 1...Sc1
- 1.Ka8?
- 1...Sc1
- 2.Bxc1#
- 2.Bc5#
- 1...Se1
- 2.Bc1#
- 2.Bc5#
- 1...Sb2
- 2.Bc5#
- 1...Sf2
- 2.Bc1#
- 2.Bc5#
- 1...Sb4
- 2.Bc1#
- 1...Sf4
- 2.Bc1#
- 2.Bc5#
- 1...Sc5
- 2.Bc1#
- 2.Bxc5#
- 1...Se5
- 2.Bc1#
- 2.Bc5#
- 1...cxb3!
- 1...Sc1
- 1.Kb8?
- 1...Sc1
- 2.Bxc1#
- 2.Bc5#
- 1...Se1
- 2.Bc1#
- 2.Bc5#
- 1...Sb2
- 2.Bc5#
- 1...Sf2
- 2.Bc1#
- 2.Bc5#
- 1...Sb4
- 2.Bc1#
- 1...Sf4
- 2.Bc1#
- 2.Bc5#
- 1...Sc5
- 2.Bc1#
- 2.Bxc5#
- 1...Se5
- 2.Bc1#
- 2.Bc5#
- 1...cxb3!
- 1...Sc1
- 1.Kc8?
- 1...Sc1
- 2.Bxc1#
- 2.Bc5#
- 1...Se1
- 2.Bc1#
- 2.Bc5#
- 1...Sb2
- 2.Bc5#
- 1...Sf2
- 2.Bc1#
- 2.Bc5#
- 1...Sb4
- 2.Bc1#
- 1...Sf4
- 2.Bc1#
- 2.Bc5#
- 1...Sc5
- 2.Bc1#
- 2.Bxc5#
- 1...Se5
- 2.Bc1#
- 2.Bc5#
- 1...cxb3!
- 1...Sc1
- 1.Bc1+?
- 1...Sb2
- 2.Bxb2#
- 1...Sxc1!
- 1...Sb2
- 1.Bd2?
- 1...cxb3
- 2.Qa1#
- 1...Sc1
- 2.Bxc1#
- 1...Se1
- 2.Bc1#
- 1...Sb2
- 2.Qb4#
- 1...Sf2
- 2.Bc1#
- 1...Sb4
- 2.Bc1#
- 1...Sf4
- 2.Bc1#
- 1...Se5
- 2.Bc1#
- 1...Sc5+!
- 1...cxb3
- 1.Bc5+?
- 1...Sb4
- 2.Bxb4#
- 1...Sxc5+!
- 1...Sb4
- 1.Kb6?
- Keys
- 1.Bd4!
- 1...Sc5+
- 2.Bxc5#
- 1...cxb3
- 2.Qa5#
- 1...Sc1
- 2.Bc5#
- 1...Se1
- 2.Bc5#
- 1...Sb2
- 2.Bc5#
- 1...Sf2
- 2.Bc5#
- 1...Sb4
- 2.Qb2#
- 1...Sf4
- 2.Bc5#
- 1...Se5
- 2.Bc5#
- 1...Sc5+
- 1.Bd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::B(C)
- S(b);CHECK,N_GUARD::B(C),XS(b)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- S(b);N_GUARD::B(C)
- Refutation
- P(c);P_SPINP(c),XB(A)
- Try
- K(D);P-FLIGHT
- Vars
- S(b);N_GUARD::B(C)
- Refutation
- P(c);P_SPINP(c),XB(A)
- Try
- K(D);P-FLIGHT
- Vars
- S(b);N_GUARD::B(C)
- Refutation
- P(c);P_SPINP(c),XB(A)
- Try
- K(D);S_FLIGHT
- Vars
- S(b);N_GUARD::B(C)
- Refutation
- P(c);P_SPINP(c),XB(A)
- Try
- K(D);P-FLIGHT
- Vars
- S(b);N_GUARD::B(C)
- Refutation
- P(c);P_SPINP(c),XB(A)
- Try
- K(D);S_FLIGHT
- Vars
- S(b);N_GUARD::B(C)
- Refutation
- P(c);P_SPINP(c),XB(A)
- Try
- B(C);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::B(C),XS(b)
- Refutation
- S(b);XB(C)
- Try
- B(C);
- Vars
- P(c);P_SPINP(c),SBLOCK,XB(A)::QAR2(B)
- S(b);N_GUARD::B(C),XS(b)
- S(b);N_GUARD::B(C)
- S(b);N_GUARD,SBLOCK::QAB1(B)
- Refutation
- S(b);CHECK
- Try
- B(C);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::B(C),XS(b)
- Refutation
- S(b);CHECK,XB(C)
- Try
- Actual
- B(C);
- Vars
- S(b);CHECK,N_GUARD::B(C),XS(b)
- P(c);P_SPINP(c),SBLOCK,XB(A)::QAR2(B)
- S(b);N_GUARD::B(C)
- S(b);N_GUARD,SBLOCK::QAB1(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).