MESON Chess Problem Database
Problem Display
PID: 159354 (8/4N3/8/1bP1kP1N/2ppp3/K3R1r1/1Q5B/7n w - - 0 1)
Barnes, Barry Peter
Sussex Daily News, 1954
#2
8 + 7
| 133 | The Problemist Supplement | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bc6
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Be8
- 2.Qb8#
- 1...Sf2
- 2.Bxg3#
- 1...Ba4
- Tries
- 1.Ka2?
- 1...Ba4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bc6
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Be8
- 2.Qb8#
- 1...Sf2
- 2.Bxg3#
- 1...c3!
- 1...Ba4
- 1.Rxg3?
- 1...Sxg3
- 2.Bxg3#
- 1...e3
- 2.Rxe3#
- 1...Ba4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bc6
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Be8
- 2.Qb8#
- 1...Sf2
- 2.Rg1#
- 2.Rg2#
- 2.Rb3#
- 2.Rc3#
- 2.Rd3#
- 2.Re3#
- 2.Rf3#
- 2.Rh3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rg7#
- 2.Rg8#
- 1...c3!
- 1...Sxg3
- 1.Qc2?
- threat
- 2.Qxe4#
- 1...dxe3
- 2.Qc3#
- 1...d3
- 2.Qc3#
- 1...Sf2
- 2.Bxg3#
- 1...Bc6!
- threat
- 1.Qb3?
- 1...dxe3
- 2.Qc3#
- 1...d3
- 2.Qc3#
- 1...Ba4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bc6
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Be8
- 2.Qb8#
- 1...Sf2
- 2.Bxg3#
- 1...c3
- 2.Qd5#
- 2.Qe6#
- 1...cxb3!
- 1...dxe3
- 1.Qb4?
- 1...dxe3
- 2.Qc3#
- 1...d3
- 2.Qc3#
- 1...Ba4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bc6
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Be8
- 2.Qb8#
- 1...Sf2
- 2.Bxg3#
- 1...c3!
- 1...dxe3
- 1.Ka2?
- Keys
- 1.Rc3!
- 1...dxc3
- 2.Qxc3#
- 1...d3
- 2.Rxc4#
- 1...e3
- 2.Rxe3#
- 1...Ba4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bc6
- 2.Qb8#
- 1...Bd7
- 2.Qb8#
- 1...Be8
- 2.Qb8#
- 1...Sf2
- 2.Bxg3#
- 1...dxc3
- 1.Rc3!
This is after
After Kenneth Howard and Alain C White.
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(f);OGATE::QAB(A)
- S(a);N_GUARD::B(B),XR(b)
- Tries
- Try
- K(C);N_SPINR(D),P-FLIGHT
- Vars
- B(f);OGATE::QAB(A)
- S(a);N_GUARD::B(B),XR(b)
- Refutation
- P(c);N_SPINP(d),P_SPINP(e)
- Try
- R(D);N_SPINR(D),XR(b)
- Vars
- S(a);OGATE,P_SPINS(a),XR(D)::B(B),XS(a)
- P(e);::B(B)+R(D),DCHECK,XP(e)
- B(f);OGATE::QAB(A)
- Refutation
- P(c);N_SPINP(d)
- Try
- Q(A);N_PINP(d),P_PINP(e)
- Threat
- QAR1(A),XP(e)
- Vars
- P(d);N_SPINP(e),OGATEB,XR(D)::QAB(A)
- P(d);N_PINR(D),OGATEB::QAB(A)
- S(a);N_GUARD::B(B),XR(b)
- Refutation
- B(f);
- Try
- Q(A);N_PINP(d),N_SPINR(D),P_PINP(e)
- Vars
- P(d);N_SPINP(e),OGATEB,XR(D)::QAB(A)
- P(d);OGATEB::QAB(A)
- B(f);OGATE::QAB(A)
- S(a);N_GUARD::B(B),XR(b)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);N_PINP(d),P_PINP(e)
- Vars
- P(d);N_SPINP(e),OGATEB,XR(D)::QAB(A)
- P(d);N_PINR(D),OGATEB::QAB(A)
- B(f);OGATE::QAB(A)
- S(a);N_GUARD::B(B),XR(b)
- Refutation
- P(c);N_PINR(D)
- Try
- Actual
- R(D);N_PINP(d)
- Vars
- P(d);OGATE,P_SPINP(d),XR(D)::QAB(A),XP(d)
- P(d);N_PINR(D)::QAB(A)+R(D),XP(c)
- P(e);N_PINR(D)::R(D),XP(e)
- B(f);OGATE::QAB(A)
- S(a);N_GUARD::B(B),XR(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).