MESON Chess Problem Database
Problem Display
PID: 55458 (8/K3Bp1r/p1P5/3kp3/2nNR3/1Q2P3/8/7B w - - 0 1)
Mansfield, Comins
Skakbladet, 1975
#2
8 + 6
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...a5
- 2.Qb5#
- 1...a5
- Tries
- 1.Sc2?
- threat
- 2.Qxc4#
- 1...Kxc6
- 2.Qb7#
- 1...Ke6!
- threat
- 1.Se2?
- threat
- 2.Qxc4#
- 1...Kxc6
- 2.Qb7#
- 1...Ke6!
- threat
- 1.Sf5?
- threat
- 2.Qxc4#
- 1...Kxc6
- 2.Qb7#
- 1...Ke6!
- threat
- 1.Se6?
- threat
- 2.Qxc4#
- 1...Kxc6
- 2.Qb7#
- 1...Kxe6!
- threat
- 1.Rf4+?
- 1...e4
- 2.Rf5#
- 1...Rxh1!
- 1...e4
- 1.Sc2?
- Keys
- 1.Sf3!
- threat
- 2.Qxc4#
- 1...Kxe4
- 2.Sh4#
- 1...Kxc6
- 2.Qb7#
- 1...Ke6
- 2.Rxe5#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- P(d);N_GUARD::QAR2(B)
- Tries
- Try
- S(D);
- Threat
- QAB1(B),XS(a)
- Vars
- K(b);N_SPINS(a),OGATEB,S_FLIGHT,XP(F)::QAB1(B)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- S(D);
- Threat
- QAB1(B),XS(a)
- Vars
- K(b);N_SPINS(a),OGATEB,S_FLIGHT,XP(F)::QAB1(B)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- S(D);
- Threat
- QAB1(B),XS(a)
- Vars
- K(b);N_SPINS(a),OGATEB,S_FLIGHT,XP(F)::QAB1(B)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- S(D);
- Threat
- QAB1(B),XS(a)
- Vars
- K(b);N_SPINS(a),OGATEB,S_FLIGHT,XP(F)::QAB1(B)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT,XS(D)
- Try
- R(E);CHECK
- Vars
- P(c);P_SPINP(c),S_CUTR(f)::R(E)
- Refutation
- R(f);XB(A)
- Try
- Actual
- S(D);
- Threat
- QAB1(B),XS(a)
- Vars
- K(b);N_SPINS(a),S_FLIGHT,XR(E)::B(A)+S(D)
- K(b);N_SPINS(a),OGATEB,S_FLIGHT,XP(F)::QAB1(B)
- K(b);P_SPINP(c),S_FLIGHT::R1(E),XP(c)
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).