MESON Chess Problem Database
Problem Display
PID: 16958 (B7/1r4pK/b5Q1/1p2Pp1P/1P2kN2/3NP2R/2r5/8 w - - 0 1)
Giobel, Bengt Rudolf
Stockholms Tidningen, 1944
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qg2#
- 1...Ra2
- 2.Qc6#
- 1...Rb2
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Re2
- 2.Qc6#
- 1...Rf2
- 2.Qc6#
- 1...Rg2
- 2.Qxg2#
- 2.Qc6#
- 1...Rh2
- 2.Qc6#
- 1...Rc3
- 2.Qg2#
- 1...Rc4
- 2.Qg2#
- 1...Rc5
- 2.Qg2#
- 1...Rc6
- 2.Qg2#
- 2.Qxc6#
- 1...Rc7
- 2.Qg2#
- 1...Rc8
- 2.Qg2#
- 1...Rc1
- Tries
- 1.Kg8?
- 1...Rc1
- 2.Qg2#
- 1...Ra2
- 2.Qc6#
- 1...Rb2
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Re2
- 2.Qc6#
- 1...Rf2
- 2.Qc6#
- 1...Rg2
- 2.Qxg2#
- 2.Qc6#
- 1...Rh2
- 2.Qc6#
- 1...Rc3
- 2.Qg2#
- 1...Rc4
- 2.Qg2#
- 1...Rc5
- 2.Qg2#
- 1...Rc6
- 2.Qg2#
- 2.Qxc6#
- 1...Rc7
- 2.Qg2#
- 1...Rc8+!
- 1...Rc1
- 1.Kh8?
- 1...Rc1
- 2.Qg2#
- 1...Ra2
- 2.Qc6#
- 1...Rb2
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Re2
- 2.Qc6#
- 1...Rf2
- 2.Qc6#
- 1...Rg2
- 2.Qxg2#
- 2.Qc6#
- 1...Rh2
- 2.Qc6#
- 1...Rc3
- 2.Qg2#
- 1...Rc4
- 2.Qg2#
- 1...Rc5
- 2.Qg2#
- 1...Rc6
- 2.Qg2#
- 2.Qxc6#
- 1...Rc7
- 2.Qg2#
- 1...Rc8+!
- 1...Rc1
- 1.Sf2+?
- 1...Kxe5
- 2.Qe6#
- 1...Rxf2!
- 1...Kxe5
- 1.Sc5+?
- 1...Kxe5
- 2.Qe6#
- 1...Rxc5!
- 1...Kxe5
- 1.Bxb7+?
- 1...Rc6
- 2.Bxc6#
- 2.Qg2#
- 2.Qxc6#
- 1...Bxb7!
- 1...Rc6
- 1.h6?
- 1...Ra2
- 2.Qc6#
- 1...Rc1
- 2.Qg2#
- 1...Rb2
- 2.Qc6#
- 1...Rd2
- 2.Qc6#
- 1...Re2
- 2.Qc6#
- 1...Rf2
- 2.Qc6#
- 1...Rg2
- 2.Qxg2#
- 2.Qc6#
- 1...Rh2
- 2.Qc6#
- 1...Rc3
- 2.Qg2#
- 1...Rc4
- 2.Qg2#
- 1...Rc5
- 2.Qg2#
- 1...Rc6
- 2.Qg2#
- 2.Qxc6#
- 1...Rc7
- 2.Qg2#
- 1...Rc8
- 2.Qg2#
- 1...gxh6+!
- 1...Ra2
- 1.Kg8?
- Keys
- 1.Qxg7!
- 1...Rc1
- 2.Sf2#
- 1...Ra2
- 2.Sc5#
- 1...Rb2
- 2.Sc5#
- 1...Rd2
- 2.Sc5#
- 1...Re2
- 2.Sc5#
- 1...Rf2
- 2.Sxf2#
- 2.Sc5#
- 1...Rg2
- 2.Sc5#
- 1...Rh2
- 2.Sc5#
- 1...Rc3
- 2.Sf2#
- 1...Rc4
- 2.Sf2#
- 1...Rc5
- 2.Sf2#
- 2.Sxc5#
- 1...Rc6
- 2.Sf2#
- 1...Rc7
- 2.Sf2#
- 1...Rc8
- 2.Sf2#
- 1...Rc1
- 1.Qxg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD::QAB(H)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- R(a);N_GUARD::QAB(H)
- Refutation
- R(a);CHECK
- Try
- K(I);P-FLIGHT
- Vars
- R(a);N_GUARD::QAB(H)
- Refutation
- R(a);CHECK
- Try
- S(A);CHECK
- Vars
- K(b);N_SPINP(d),N_SPINR(f),P-FLIGHT,XP(F)::QAR1(H)
- Refutation
- R(a);XS(A)
- Try
- S(A);CHECK
- Vars
- K(b);N_SPINP(d),N_SPINR(f),P-FLIGHT,XP(F)::QAR1(H)
- Refutation
- R(a);XS(A)
- Try
- B(J);CHECK,XR(f)
- Refutation
- B(e);XB(J)
- Try
- P(G);
- Vars
- R(a);N_GUARD::QAB(H)
- Refutation
- P(g);CHECK,XP(G)
- Try
- Actual
- Q(H);N_PINP(d),P_SPINQ(H),XP(g)
- Vars
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,N_SPINR(f)::S(A)
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).