MESON Chess Problem Database
Problem Display
PID: 145295 (1B1N4/3n1QRB/kb5R/3n2P1/1P1Np3/6K1/5p2/8 w - - 0 1)
Morse, Christopher Jeremy
2nd HM., British Chess Magazine, 1969
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.Qa2#
- 1...Sf4
- 2.Qa2#
- 2.Qc4#
- 1...S5f6
- 2.Qc4#
- 1...Sc7
- 2.Qa2#
- 1...Se7
- 2.Qa2#
- 2.Qc4#
- 1...Sc5
- 2.Qa7#
- 1...Se5
- 2.Qa7#
- 2.Qb7#
- 1...S7f6
- 2.Qb7#
- 1...Sxb8
- 2.Qa7#
- 2.Qb7#
- 1...Sf8
- 2.Qa7#
- 2.Qb7#
- 1...f1Q
- 2.Qxf1#
- 1...f1S+
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...e3
- 2.Bd3#
- 1...Se3
- Tries
- 1.Bxe4?
- threat
- 2.Bd3#
- 1...f1S+
- 2.Qxf1#
- 1...f1Q
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...Sc3
- 2.Bb7#
- 1...Se3
- 2.Bb7#
- 2.Qa2#
- 1...Sf4
- 2.Bb7#
- 2.Qa2#
- 2.Qc4#
- 1...Sc7
- 2.Bb7#
- 2.Qa2#
- 1...Sc5
- 2.Qa7#
- 1...Se5
- 2.Qa7#
- 2.Qb7#
- 1...Sxb4!
- threat
- 1.Rxb6+?
- 1...Kxb6
- 2.Qe6#
- 1...S7xb6
- 2.Qa7#
- 2.Qb7#
- 1...S5xb6!
- 1...Kxb6
- 1.Qxd5?
- threat
- 2.Qa2#
- 2.Qc4#
- 2.Qb7#
- 2.Qa8#
- 2.Qa5#
- 2.Qb5#
- 1...f1Q
- 2.Qa2#
- 2.Qb7#
- 2.Qa8#
- 2.Qa5#
- 1...f1B
- 2.Qa2#
- 2.Qb7#
- 2.Qa8#
- 2.Qa5#
- 1...Sc5
- 2.Ra7#
- 2.Qc4#
- 2.Qa8#
- 1...Se5
- 2.Ra7#
- 2.Qa2#
- 2.Qb7#
- 2.Qa8#
- 2.Qa5#
- 2.Qb5#
- 1...Sf6
- 2.Qc4#
- 2.Qb7#
- 2.Qb5#
- 1...f1S+!
- threat
- 1.Qxd7?
- threat
- 2.Qa4#
- 2.Qb5#
- 2.Qc8#
- 2.Qa7#
- 2.Qb7#
- 1...Sxb4
- 2.Qa4#
- 2.Qb5#
- 2.Qa7#
- 1...f1Q
- 2.Qa4#
- 2.Qc8#
- 2.Qa7#
- 2.Qb7#
- 1...f1B
- 2.Qa4#
- 2.Qc8#
- 2.Qa7#
- 2.Qb7#
- 1...Sc3
- 2.Qc8#
- 2.Qa7#
- 2.Qb7#
- 1...Sf6
- 2.Qb5#
- 2.Qc8#
- 2.Qb7#
- 1...Sc7
- 2.Qa4#
- 2.Qc8#
- 1...Se7
- 2.Qa4#
- 2.Qb5#
- 2.Qa7#
- 2.Qb7#
- 1...f1S+!
- threat
- 1.Bxe4?
- Keys
- 1.Qf5!
- 1...f1S+
- 2.Qxf1#
- 1...Sxb4
- 2.Qb5#
- 1...Sxb8
- 2.Qc8#
- 1...f1Q
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Sc3
- 2.Qa5#
- 1...Se3
- 2.Qa5#
- 2.Qb5#
- 1...Sf4
- 2.Qa5#
- 2.Qb5#
- 1...S5f6
- 2.Qb5#
- 1...Sc7
- 2.Qa5#
- 1...Se7
- 2.Qa5#
- 2.Qb5#
- 1...Sc5
- 2.Ra7#
- 1...Se5
- 2.Ra7#
- 2.Qc8#
- 1...S7f6
- 2.Qc8#
- 1...Sf8
- 2.Ra7#
- 2.Qc8#
- 1...e3
- 2.Qd3#
- 1...f1S+
- 1.Qf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 5
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- S(c);OGATE::QAR(F)
- S(c);N_SPINB(e),OGATE::QAB(F)
- S(f);OGATE::QAR1(F)
- S(f);N_SPINB(e),OGATE::QAB1(F)
- P(a);OGATE::QAB(F),XQ(a)
- P(a);CHECK,OGATE::QAB(F),XS(a)
- P(a);OGATE::QAB(F),XB(a)
- P(a);OGATE::QAB(F),XR(a)
- P(b);OGATE::B(H)
- Tries
- Try
- B(H);XP(b)
- Threat
- B(H)
- Vars
- P(a);CHECK,OGATE::QAB(F),XS(a)
- P(a);OGATE::QAB(F),XQ(a)
- P(a);OGATE::QAB(F),XB(a)
- S(c);OGATE::B(H)
- S(f);OGATE::QAR1(F)
- Refutation
- S(c);XP(B)
- Try
- R(E);CHECK,XB(e)
- Vars
- K(d);P-FLIGHT,XR(E)::QAR(F)
- Refutation
- S(c);XR(E)
- Try
- Q(F);XS(c)
- Threat
- DUALS(6)
- Refutation
- P(a);CHECK
- Try
- Q(F);XS(f)
- Threat
- DUALS(5)
- Refutation
- P(a);CHECK
- Try
- Actual
- Q(F);
- Vars
- P(a);CHECK,OGATE::QAB(F),XS(a)
- S(c);OGATE,XP(B)::QAB1(F)
- S(f);OGATE,XB(I)::QAB(F)
- P(a);OGATE::QAB(F),XQ(a)
- P(a);OGATE::QAB(F),XB(a)
- P(a);OGATE::QAB(F),XR(a)
- S(c);OGATE::QAR1(F)
- S(c);N_SPINB(e),OGATE::QAB1(F)
- S(f);OGATE::R1(G)
- S(f);N_SPINB(e),OGATE::QAB(F)
- P(b);OGATE::QAB(F)
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).