MESON Chess Problem Database
Problem Display
PID: 98764 (8/Q1p5/p1Pp4/B2p4/2kNb1R1/p2NbR1K/2B5/8 w - - 0 1)
Shire, David J
US Problem Bulletin, 1982
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Bb3#
- 1...Bg1
- 2.Bb3#
- 1...Bd2
- 2.Bb3#
- 1...Bf2
- 2.Bb3#
- 1...Bxd4
- 2.Qxa6#
- 1...Bf4
- 2.Bb3#
- 1...Bg5
- 2.Bb3#
- 1...Bh6
- 2.Bb3#
- 1...Bxd3
- 2.Bb3#
- 1...Bxf3
- 2.Qxa6#
- 1...Bf5
- 2.Qxa6#
- 1...Bg6
- 2.Qxa6#
- 1...Bh7
- 2.Qxa6#
- 1...a2
- 2.Sb2#
- 1...Bc1
- Tries
- 1.Kg2?
- 1...Bxd4
- 2.Qxa6#
- 1...Bxd3
- 2.Bb3#
- 1...Bc1
- 2.Bb3#
- 1...Bg1
- 2.Bb3#
- 1...Bd2
- 2.Bb3#
- 1...Bf2
- 2.Bb3#
- 1...Bf4
- 2.Bb3#
- 1...Bg5
- 2.Bb3#
- 1...Bh6
- 2.Bb3#
- 1...Bf5
- 2.Qxa6#
- 1...Bg6
- 2.Qxa6#
- 1...Bh7
- 2.Qxa6#
- 1...a2
- 2.Sb2#
- 1...Bxf3+!
- 1...Bxd4
- 1.Bb1?
- 1...Bxd3
- 2.Ba2#
- 1...Bxf3
- 2.Qxa6#
- 1...Bc1
- 2.Ba2#
- 1...Bg1
- 2.Ba2#
- 1...Bd2
- 2.Ba2#
- 1...Bf2
- 2.Ba2#
- 1...Bf4
- 2.Ba2#
- 1...Bg5
- 2.Ba2#
- 1...Bh6
- 2.Ba2#
- 1...Bf5
- 2.Qxa6#
- 1...Bg6
- 2.Qxa6#
- 1...Bh7
- 2.Qxa6#
- 1...a2
- 2.Sb2#
- 1...Bxd4!
- 1...Bxd3
- 1.Ba4?
- 1...Bxd4
- 2.Qxa6#
- 1...Bxd3
- 2.Bb3#
- 1...Bxf3
- 2.Qxa6#
- 1...Bc1
- 2.Bb3#
- 1...Bg1
- 2.Bb3#
- 1...Bd2
- 2.Bb3#
- 1...Bf2
- 2.Bb3#
- 1...Bf4
- 2.Bb3#
- 1...Bg5
- 2.Bb3#
- 1...Bh6
- 2.Bb3#
- 1...Bf5
- 2.Qxa6#
- 1...Bg6
- 2.Qxa6#
- 1...Bh7
- 2.Qxa6#
- 1...a2
- 2.Sb2#
- 1...Kxd3!
- 1...Bxd4
- 1.Rfg3?
- 1...Bxd4
- 2.Qxa6#
- 1...Bxd3
- 2.Bb3#
- 1...Bc1
- 2.Bb3#
- 1...Bg1
- 2.Bb3#
- 1...Bd2
- 2.Bb3#
- 1...Bf2
- 2.Bb3#
- 1...Bf4
- 2.Bb3#
- 1...Bg5
- 2.Bb3#
- 1...Bh6
- 2.Bb3#
- 1...Bh1
- 2.Qxa6#
- 1...Bf3
- 2.Qxa6#
- 1...Bf5
- 2.Qxa6#
- 1...Bg6
- 2.Qxa6#
- 1...Bh7
- 2.Qxa6#
- 1...a2
- 2.Sb2#
- 1...Bg2+!
- 1...Bxd4
- 1.Rgf4?
- 1...Bxd4
- 2.Qxa6#
- 1...Bxf4
- 2.Bb3#
- 1...Bxd3
- 2.Bb3#
- 1...Bxf3
- 2.Qxa6#
- 1...Bc1
- 2.Bb3#
- 1...Bg1
- 2.Bb3#
- 1...Bd2
- 2.Bb3#
- 1...Bf2
- 2.Bb3#
- 1...Bg6
- 2.Qxa6#
- 1...Bh7
- 2.Qxa6#
- 1...a2
- 2.Sb2#
- 1...Bf5+!
- 1...Bxd4
- 1.Rh4?
- 1...Bxd4
- 2.Qxa6#
- 1...Bxd3
- 2.Bb3#
- 1...Bxf3
- 2.Qxa6#
- 1...Bc1
- 2.Bb3#
- 1...Bg1
- 2.Bb3#
- 1...Bd2
- 2.Bb3#
- 1...Bf2
- 2.Bb3#
- 1...Bf4
- 2.Bb3#
- 1...Bg5
- 2.Bb3#
- 1...Bh6
- 2.Bb3#
- 1...Bg6
- 2.Qxa6#
- 1...Bh7
- 2.Qxa6#
- 1...a2
- 2.Sb2#
- 1...Bf5+!
- 1...Bxd4
- 1.Qb6?
- threat
- 2.Qb4#
- 1...Bd2
- 2.Bb3#
- 1...cxb6!
- threat
- 1.Qb8?
- threat
- 2.Qb4#
- 1...Kxd4
- 2.Qb4#
- 1...Bd2!
- threat
- 1.Qb7?
- threat
- 2.Qb4#
- 1...Kxd4
- 2.Qb4#
- 1...Bd2!
- threat
- 1.Kg2?
- Keys
- 1.Bd1!
- 1...Kxd3
- 2.Be2#
- 1...Bxd4
- 2.Qxa6#
- 1...Bxd3
- 2.Bb3#
- 1...Bxf3
- 2.Qxa6#
- 1...Bc1
- 2.Bb3#
- 1...Bg1
- 2.Bb3#
- 1...Bd2
- 2.Bb3#
- 1...Bf2
- 2.Bb3#
- 1...Bf4
- 2.Bb3#
- 1...Bg5
- 2.Bb3#
- 1...Bh6
- 2.Bb3#
- 1...Bf5
- 2.Qxa6#
- 1...Bg6
- 2.Qxa6#
- 1...Bh7
- 2.Qxa6#
- 1...a2
- 2.Sb2#
- 1...Kxd3
- 1.Bd1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(b);::B(A)
- B(b);SBLOCK,XS(E)::QAB(I),XP(f)
- B(d);SBLOCK,XS(B)::B(A)
- B(d);XR(C)::QAB(I),XP(f)
- B(d);P_PINR(F)::QAB(I),XP(f)
- B(d);::QAB(I),XP(f)
- P(a);N_GUARD::S(B)
- Tries
- Try
- K(D);P_SPINR(C),S_FLIGHT
- Vars
- B(b);SBLOCK,XS(E)::QAB(I),XP(f)
- B(d);N_PINR(C),SBLOCK,XS(B)::B(A)
- B(b);::B(A)
- B(d);N_PINR(C)::QAB(I),XP(f)
- P(a);N_GUARD::S(B)
- Refutation
- B(d);CHECK,XR(C)
- Try
- B(A);
- Vars
- B(d);SBLOCK,XS(B)::B(A)
- B(d);XR(C)::QAB(I),XP(f)
- B(b);::B(A)
- B(d);P_PINR(F)::QAB(I),XP(f)
- B(d);::QAB(I),XP(f)
- P(a);N_GUARD::S(B)
- Refutation
- B(b);XS(E)
- Try
- B(A);
- Vars
- B(b);SBLOCK,XS(E)::QAB(I),XP(f)
- B(d);SBLOCK,XS(B)::B(A)
- B(d);XR(C)::QAB(I),XP(f)
- B(b);::B(A)
- B(d);P_PINR(F)::QAB(I),XP(f)
- B(d);::QAB(I),XP(f)
- P(a);N_GUARD::S(B)
- Refutation
- K(c);P_SPINB(b),S_FLIGHT,XS(B)
- Try
- R(C);
- Vars
- B(b);SBLOCK,XS(E)::QAB(I),XP(f)
- B(d);SBLOCK,XS(B)::B(A)
- B(b);::B(A)
- B(d);::QAB(I),XP(f)
- B(d);P_PINR(F)::QAB(I),XP(f)
- P(a);N_GUARD::S(B)
- Refutation
- B(d);CHECK
- Try
- R(F);
- Vars
- B(b);SBLOCK,XS(E)::QAB(I),XP(f)
- B(b);XR(F)::B(A)
- B(d);SBLOCK,XS(B)::B(A)
- B(d);XR(C)::QAB(I),XP(f)
- B(b);::B(A)
- B(d);::QAB(I),XP(f)
- P(a);N_GUARD::S(B)
- Refutation
- B(d);CHECK
- Try
- R(F);
- Vars
- B(b);SBLOCK,XS(E)::QAB(I),XP(f)
- B(d);SBLOCK,XS(B)::B(A)
- B(d);XR(C)::QAB(I),XP(f)
- B(b);::B(A)
- B(d);::QAB(I),XP(f)
- P(a);N_GUARD::S(B)
- Refutation
- B(d);CHECK
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- B(b);::B(A)
- Refutation
- P(h);XQ(I)
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- K(c);P-FLIGHT,P_SPINB(d),XS(E)::QAR2(I)
- Refutation
- B(b);
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- K(c);P-FLIGHT,P_SPINB(d),XS(E)::QAR2(I)
- Refutation
- B(b);
- Try
- Actual
- B(A);
- Vars
- K(c);OGATEB,P_SPINB(b),S_FLIGHT,XS(B)::B(A)
- B(b);SBLOCK,XS(E)::QAB(I),XP(f)
- B(d);SBLOCK,XS(B)::B(A)
- B(d);XR(C)::QAB(I),XP(f)
- B(b);::B(A)
- B(d);P_PINR(F)::QAB(I),XP(f)
- B(d);::QAB(I),XP(f)
- P(a);N_GUARD::S(B)
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).