MESON Chess Problem Database
Problem Display
PID: 11603 (8/1p6/1P1p1K2/Qp1P1p2/1NPkbR2/3N1p1R/4p3/4B3 w - - 0 1)
Shedey, Sergey Oleksandrovich
1st Prize, BCF 123. Ty., 1969-1970
#2
10 + 8
SOLUTION
- SOUND
- Tries
- 1.Sb2?
- 1...Kc5
- 2.Bf2#
- 1...bxc4
- 2.Sc2#
- 1...f2
- 2.Bxf2#
- 1...Ke3!
- 1...Kc5
- 1.Sc2+?
- 1...Kxd3
- 2.Qc3#
- 1...Kxc4!
- 1...Kxd3
- 1.Rhxf3?
- 1...bxc4
- 2.Sc2#
- 1...Kxc4!
- 1...bxc4
- 1.Qa1+?
- 1...Kxc4
- 2.Qc3#
- 1...Ke3!
- 1...Kxc4
- 1.Qa2?
- 1...Ke3
- 2.Bf2#
- 1...f2
- 2.Sc2#
- 1...bxc4!
- 1...Ke3
- 1.Qxb5?
- 1...f2
- 2.Sc2#
- 1...Ke3!
- 1...f2
- 1.Sb2?
- Keys
- 1.Qa3!
- 1...Ke3
- 2.Sc2#
- 1...Kxc4
- 2.Qc3#
- 1...bxc4
- 2.Bf2#
- 1...f2
- 2.Qc3#
- 1...Ke3
- 1.Qa3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(B);
- Vars
- K(c);N_SPINB(d),P_SPINP(e),S_FLIGHT::B(A)
- P(e);XP(E)::S(D)
- P(b);::B(A),XP(b)
- Refutation
- K(c);N_SPINB(d),P_SPINP(b),S_FLIGHT
- Try
- S(D);CHECK
- Vars
- K(c);N_SPINB(d),P-FLIGHT,P_SPINP(b),XS(B)::QAR1(G)
- Refutation
- K(c);P-FLIGHT,XP(E)
- Try
- R(C);XP(b)
- Vars
- P(e);SBLOCK,XP(E)::S(D)
- Refutation
- K(c);P-FLIGHT,XP(E)
- Try
- Q(G);CHECK
- Vars
- K(c);P-FLIGHT,XP(E)::QAR1(G)
- Refutation
- K(c);N_SPINB(d),P_SPINP(b),S_FLIGHT
- Try
- Q(G);
- Vars
- K(c);N_SPINB(d),P_SPINP(b),S_FLIGHT::B(A)
- P(b);::S(D)
- Refutation
- P(e);XP(E)
- Try
- Q(G);XP(e)
- Vars
- P(b);::S(D)
- Refutation
- K(c);N_SPINB(d),P_SPINP(b),S_FLIGHT
- Try
- Actual
- Q(G);
- Vars
- K(c);N_SPINB(d),P_SPINP(b),S_FLIGHT::S(D)
- K(c);P-FLIGHT,XP(E)::QAR1(G)
- P(e);SBLOCK,XP(E)::B(A)
- P(b);::QAB1(G)
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).