MESON Chess Problem Database
Problem Display
PID: 51362 (B7/3n2BN/1PRPp3/1K1k4/8/2b1PP2/2Pp1n2/6Q1 w - - 0 1)
Bettinger, Clark C
Manchester Guardian, 1958
#2
11 + 6
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Be5
- 2.c4#
- 1...Sd1
- 2.e4#
- 1...Sh1
- 2.e4#
- 1...Sd3
- 2.e4#
- 1...Sh3
- 2.e4#
- 1...Sg4
- 2.e4#
- 1...Se5
- 2.Sf6#
- 1...Sxb6
- 2.Rxb6#
- 1...Ba1
- Tries
- 1.Bf8?
- threat
- 2.Rc5#
- 1...Ke5
- 2.Qg5#
- 1...Sc5
- 2.Rxc5#
- 1...e5
- 2.Qg8#
- 1...Sxf8!
- threat
- 1.Qh2?
- threat
- 2.Rxc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 1...Bxg7
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Sxb6
- 2.Rc5#
- 2.Rxb6#
- 1...Ba1
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Bb2
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Bb4
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Bd4
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Ba5
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Be5
- 2.c4#
- 1...Bf6
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Sc5
- 2.Rxc5#
- 1...Se5
- 2.Sf6#
- 1...Sb8
- 2.Rc5#
- 1...e5!
- threat
- 1.Qg3?
- threat
- 2.Rxc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 1...Bxg7
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Sxb6
- 2.Rc5#
- 2.Rxb6#
- 1...Ba1
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Bb2
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Bb4
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Bd4
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Ba5
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Be5
- 2.c4#
- 1...Bf6
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 2.c4#
- 1...Sc5
- 2.Rxc5#
- 1...Se5
- 2.Sf6#
- 1...Sb8
- 2.Rc5#
- 1...e5!
- threat
- 1.Qg5+?
- 1...Be5
- 2.c4#
- 1...Se5
- 2.Sf6#
- 1...e5!
- 1...Be5
- 1.Bf8?
- Keys
- 1.Be5!
- threat
- 2.Rc5#
- 1...Kxe5
- 2.Qg5#
- 1...Bxe5
- 2.c4#
- 1...Sxe5
- 2.Sf6#
- 1...Sc5
- 2.Rxc5#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- B(c);OGATE::P(B)
- S(b);N_GUARD::P(C)
- S(f);N_GUARD,SBLOCK,S_CUTB(c)::S(J)
- S(f);OGATE,XP(F)::B(K)+R(G),XS(f)
- Tries
- Try
- B(I);
- Threat
- B(K)+R(G),DCHECK
- Vars
- K(d);P-FLIGHT::QAR2(A)
- S(f);::B(K)+R(G),DCHECK,XS(f)
- P(e);OGATEB,SBLOCK::QAB(A)
- Refutation
- S(f);XB(I)
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- B(c);OGATE::P(B)
- S(f);::B(K)+R(G),DCHECK,XS(f)
- S(f);N_GUARD,S_CUTB(c)::S(J)
- S(f);::B(K)+R(G),DCHECK
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- B(c);OGATE::P(B)
- S(f);::B(K)+R(G),DCHECK,XS(f)
- S(f);N_GUARD,S_CUTB(c)::S(J)
- S(f);::B(K)+R(G),DCHECK
- Refutation
- P(e);
- Try
- Q(A);CHECK
- Vars
- B(c);OGATE,P_SPINB(c)::P(B)
- S(f);P_SPINS(f)::S(J)
- Refutation
- P(e);P_SPINP(e)
- Try
- Actual
- B(I);
- Threat
- B(K)+R(G),DCHECK
- Vars
- K(d);OGATEB,P-FLIGHT,XB(I)::QAR2(A)
- B(c);OGATE,SBLOCK,XB(I)::P(B)
- S(f);N_GUARD,SBLOCK,XB(I)::S(J)
- S(f);::B(K)+R(G),DCHECK,XS(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).