MESON Chess Problem Database
Problem Display
PID: 183421 (8/1Q6/6N1/6p1/1p4p1/1Rb3pk/3p3p/3K3N w - - 0 1)
Kipping, Cyril Stanley
The Problemist, 1943
#2
5 + 8
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Sf2#
- 2.Rxg3#
- 1...Bb2
- 2.Sf2#
- 2.Rxg3#
- 1...Bd4
- 2.Rxg3#
- 1...Be5
- 2.Sf2#
- 1...Bf6
- 2.Sf2#
- 2.Rxg3#
- 1...Bg7
- 2.Sf2#
- 2.Rxg3#
- 1...Bh8
- 2.Sf2#
- 2.Rxg3#
- 1...g2
- 2.Qh7#
- 1...Ba1
- Tries
- 1.Sf4+?
- 1...Kh4
- 2.Qh7#
- 1...gxf4!
- 1...Kh4
- 1.Qf3?
- threat
- 2.Sf2#
- 2.Qxg3#
- 1...Bd4
- 2.Qf1#
- 2.Qxg3#
- 1...Be5
- 2.Sf2#
- 2.Qf1#
- 1...gxf3!
- threat
- 1.Qe4?
- 1...Ba1
- 2.Sf2#
- 2.Rxg3#
- 1...Bb2
- 2.Sf2#
- 2.Rxg3#
- 1...Bd4
- 2.Rxg3#
- 1...Be5
- 2.Sf2#
- 1...Bf6
- 2.Sf2#
- 2.Rxg3#
- 1...Bg7
- 2.Sf2#
- 2.Rxg3#
- 1...Bh8
- 2.Sf2#
- 2.Rxg3#
- 1...g2!
- 1...Ba1
- 1.Qd5?
- 1...Ba1
- 2.Sf2#
- 2.Rxg3#
- 1...Bb2
- 2.Sf2#
- 2.Rxg3#
- 1...Bd4
- 2.Rxg3#
- 1...Be5
- 2.Sf2#
- 1...Bf6
- 2.Sf2#
- 2.Rxg3#
- 1...Bg7
- 2.Sf2#
- 2.Rxg3#
- 1...Bh8
- 2.Sf2#
- 2.Rxg3#
- 1...g2!
- 1...Ba1
- 1.Qc6?
- 1...Ba1
- 2.Sf2#
- 2.Rxg3#
- 1...Bb2
- 2.Sf2#
- 2.Rxg3#
- 1...Bd4
- 2.Rxg3#
- 1...Be5
- 2.Sf2#
- 1...Bf6
- 2.Sf2#
- 2.Rxg3#
- 1...Bg7
- 2.Sf2#
- 2.Rxg3#
- 1...Bh8
- 2.Sf2#
- 2.Rxg3#
- 1...g2!
- 1...Ba1
- 1.Qf7?
- 1...Ba1
- 2.Rxg3#
- 2.Qf1#
- 1...Bb2
- 2.Rxg3#
- 2.Qf1#
- 1...Bd4
- 2.Rxg3#
- 2.Qf1#
- 1...Be5
- 2.Qf1#
- 1...Bf6
- 2.Rxg3#
- 1...Bg7
- 2.Rxg3#
- 2.Qf1#
- 1...Bh8
- 2.Rxg3#
- 2.Qf1#
- 1...g2
- 2.Qh7#
- 1...Kg2!
- 1...Ba1
- 1.Sf4+?
- Keys
- 1.Qa8!
- 1...Ba1
- 2.Sf2#
- 2.Rxg3#
- 1...Bb2
- 2.Sf2#
- 2.Rxg3#
- 1...Bd4
- 2.Rxg3#
- 1...Be5
- 2.Sf2#
- 1...Bf6
- 2.Sf2#
- 2.Rxg3#
- 1...Bg7
- 2.Sf2#
- 2.Rxg3#
- 1...Bh8
- 2.Sf2#
- 2.Rxg3#
- 1...g2
- 2.Qh8#
- 1...Ba1
- 1.Qa8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(c);OGATE,P_SPINP(d)::R1(C),XP(d)
- B(c);P_SPINP(d)::S(B)
- P(d);P_SPINB(c),SBLOCK::QAR(E)
- Tries
- Try
- S(D);CHECK
- Vars
- K(e);P-FLIGHT::QAR(E)
- Refutation
- P(h);XS(D)
- Try
- Q(E);P_PINP(d)
- Threat
- DUALS(2)
- Refutation
- P(g);N_SPINP(d),XQ(E)
- Try
- Q(E);
- Vars
- B(c);OGATE,P_SPINP(d)::R1(C),XP(d)
- B(c);P_SPINP(d)::S(B)
- Refutation
- P(d);P_SPINB(c)
- Try
- Q(E);
- Vars
- B(c);OGATE,P_SPINP(d)::R1(C),XP(d)
- B(c);P_SPINP(d)::S(B)
- Refutation
- P(d);P_SPINB(c)
- Try
- Q(E);
- Vars
- B(c);OGATE,P_SPINP(d)::R1(C),XP(d)
- B(c);P_SPINP(d)::S(B)
- Refutation
- P(d);P_SPINB(c)
- Try
- Q(E);
- Vars
- B(c);P_SPINP(d)::QAB(E)
- B(c);OGATE,P_SPINP(d)::R1(C),XP(d)
- P(d);P_SPINB(c),SBLOCK::QAR(E)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- Q(E);
- Vars
- B(c);OGATE,P_SPINP(d)::R1(C),XP(d)
- B(c);P_SPINP(d)::S(B)
- P(d);P_SPINB(c),SBLOCK::QAR(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).