MESON Chess Problem Database
Problem Display
PID: 80476 (N1K5/8/2p1R3/1pkp4/2B1b1R1/1Q2P3/8/8 w - - 0 1)
Rice, John Michael
3rd Comm., StrateGems, 2006
#2
7 + 5
| 145 | StrateGems | 2008 |
SOLUTION
- SOUND
- Sets
- 1...bxc4
- 2.Qb6#
- 1...bxc4
- Tries
- 1.Bd3?
- threat
- 2.Qc3#
- 1...Bxd3
- 2.Qb4#
- 1...b4
- 2.Qc2#
- 1...d4!
- threat
- 1.Bxd5?
- threat
- 2.Rxc6#
- 1...Bxd5
- 2.Qb4#
- 1...cxd5
- 2.Qc3#
- 1...b4
- 2.Qc4#
- 1...Bf5!
- threat
- 1.Qa3+?
- 1...Kxc4
- 2.Sb6#
- 2.Rxc6#
- 1...b4!
- 1...Kxc4
- 1.Qc3?
- threat
- 2.Bf1#
- 2.Ba2#
- 2.Be2#
- 2.Bb3#
- 2.Bd3#
- 1...bxc4
- 2.Qa5#
- 1...d4
- 2.exd4#
- 1...Bd3
- 2.Bxd3#
- 1...b4
- 2.Qd4#
- 1...dxc4!
- threat
- 1.Bd3?
- Keys
- 1.Bxb5!
- threat
- 2.Rxc6#
- 1...cxb5
- 2.Qc3#
- 1...d4
- 2.Qc4#
- 1...Bf5
- 2.Qb4#
- threat
- 1.Bxb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- P(b);OGATE,SBLOCK,XB(C)::QAB1(A)
- Tries
- Try
- B(C);
- Threat
- QAR2(A)
- Vars
- B(a);XB(C)::QAB1(A)
- P(b);SBLOCK::QAR(A)
- Refutation
- P(d);
- Try
- B(C);XP(d)
- Threat
- R1(E),XP(e)
- Vars
- B(a);SBLOCK,XB(C)::QAB1(A)
- P(e);SBLOCK,XB(C)::QAR2(A)
- P(b);N_GUARD::QAR1(A)
- Refutation
- B(a);P_PINR(E)
- Try
- Q(A);CHECK
- Refutation
- P(b);P_SPINP(b)
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- P(b);OGATEB,P_SPINP(b),SBLOCK,XB(C)::QAR2(A)
- P(d);OGATE::P(B),XP(d)
- B(a);::QAR(A)+B(C),XB(a)
- P(b);SBLOCK::QAB1(A)
- Refutation
- P(d);P_SPINP(d),XB(C)
- Try
- Actual
- B(C);XP(b)
- Threat
- R1(E),XP(e)
- Vars
- P(e);SBLOCK,XB(C)::QAR2(A)
- P(d);N_GUARD::QAR1(A)
- B(a);P_PINR(E)::QAB1(A)
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).