MESON Chess Problem Database
Problem Display
PID: 275432 (1Kb5/8/kp2n3/4p2R/2N3BQ/1R6/8/6q1 w - - 0 1)
Bylevski, Aleksandr
Phenix, 2000
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Rxb6#
- 1...Qa1
- 2.Rxb6#
- 1...Qc1
- 2.Rxb6#
- 1...Qd1
- 2.Rxb6#
- 1...Qe1
- 2.Rxb6#
- 1...Qf1
- 2.Rxb6#
- 1...Qh1
- 2.Rxb6#
- 1...Qg2
- 2.Rxb6#
- 1...Qg3
- 2.Rxb6#
- 1...Qxg4
- 2.Rxb6#
- 1...Sd4
- 2.Bxc8#
- 2.Rxb6#
- 1...Sf4
- 2.Bxc8#
- 1...Sc5
- 2.Rxb6#
- 1...Sg5
- 2.Bxc8#
- 1...Sc7
- 2.Bxc8#
- 1...Sg7
- 2.Bxc8#
- 1...Sf8
- 2.Bxc8#
- 1...e4
- 2.Ra3#
- 1...b5
- 2.Ra3#
- 1...Qh2
- Tries
- 1.Qf2?
- threat
- 2.Rxb6#
- 2.Qa2#
- 1...Qh2
- 2.Rxb6#
- 2.Qxb6#
- 1...Qa1
- 2.Rxb6#
- 2.Qxb6#
- 1...Qb1
- 2.Qxb6#
- 1...Qc1
- 2.Rxb6#
- 2.Qxb6#
- 1...Qe1
- 2.Rxb6#
- 2.Qxb6#
- 1...Qg2
- 2.Rxb6#
- 2.Qxb6#
- 1...Bd7
- 2.Rxb6#
- 1...Sc5
- 2.Rxb6#
- 1...b5
- 2.Ra3#
- 2.Qa2#
- 1...Qxf2!
- threat
- 1.Qe7?
- threat
- 2.Qa3#
- 2.Qa7#
- 1...Qc5
- 2.Qa7#
- 1...Qa1
- 2.Rxb6#
- 2.Qa7#
- 1...Qc1
- 2.Rxb6#
- 2.Qa7#
- 1...Qe1
- 2.Rxb6#
- 2.Qa7#
- 1...Bb7
- 2.Qa3#
- 2.Qxb7#
- 1...Sc5
- 2.Rxb6#
- 2.Qa7#
- 1...Sc7
- 2.Bxc8#
- 2.Qa3#
- 1...b5
- 2.Ra3#
- 2.Qa3#
- 1...Bd7!
- threat
- 1.Qf2?
- Keys
- 1.Qh1!
- threat
- 2.Qa8#
- 1...Qxh1
- 2.Rxb6#
- 1...Qg2
- 2.Rxb6#
- 1...Bb7
- 2.Qxb7#
- 1...Sc7
- 2.Bxc8#
- 1...e4
- 2.Ra3#
- 1...b5
- 2.Ra3#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- Q(a);N_GUARD::R1(A),XP(d)
- Q(a);N_GUARD,XB(C)::R1(A),XP(d)
- S(e);OGATE::B(C),XB(f)
- S(e);S_CUTQ(a)::R1(A),XP(d)
- P(b);::R(A)
- P(d);SBLOCK::R(A)
- Tries
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD::QAR1(D),XP(d)
- B(f);::R1(A),XP(d)
- S(e);::R1(A),XP(d)
- Refutation
- Q(a);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(a);::QAR1(D)
- Refutation
- B(f);
- Try
- Actual
- Q(D);
- Threat
- QAR2(D)
- Vars
- Q(a);N_GUARD,XQ(D)::R1(A),XP(d)
- Q(a);N_GUARD::R1(A),XP(d)
- B(f);N_GUARD::QAB1(D),XB(f)
- S(e);OGATE::B(C),XB(f)
- P(b);::R(A)
- P(d);SBLOCK::R(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).