MESON Chess Problem Database
Problem Display
PID: 109062 (3N2b1/2B1K1p1/3Q4/4R3/Rp1b1kp1/q7/2n4P/6N1 w - - 0 1)
Neddy, ?
Bulletin de la FFE, 1936
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxe5
- 2.Qxe5#
- 1...Be6
- 2.Sxe6#
- 1...Bh7
- 2.Se6#
- 1...Sa1
- 2.Qxd4#
- 1...Se1
- 2.Qxd4#
- 1...Se3
- 2.Qxd4#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Bxe5
- Tries
- 1.Re6+?
- 1...Kf5
- 2.Qf4#
- 1...Be5
- 2.Qxe5#
- 1...Kg5!
- 1...Kf5
- 1.Qh6+?
- 1...g5
- 2.Qxg5#
- 2.Qf6#
- 1...gxh6!
- 1...g5
- 1.Re6+?
- Keys
- 1.Qe6!
- threat
- 2.Rf5#
- 2.Qf5#
- 1...Bc5+
- 2.Rxc5#
- 1...b3+
- 2.Rc5#
- 1...Bxe5
- 2.Qxe5#
- 1...Bxe6
- 2.Sxe6#
- 1...Qd3
- 2.Rf5#
- 1...Bh7
- 2.Rf5#
- 1...Se3
- 2.Rf5#
- 1...g3
- 2.Qf5#
- 1...g6
- 2.Rf5#
- 2.Qf6#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- B(d);OGATE,P_SPINB(d),P_SPINP(c),XR(D)::QAB1(E),XB(d)
- B(h);N_GUARD::S(H),XB(h)
- B(h);N_GUARD::S(H)
- S(a);N_GUARD::QAR2(E),XB(d)
- P(g);N_GUARD::QAR2(E)
- Tries
- Try
- R(D);CHECK
- Vars
- K(e);P-FLIGHT::QAR1(E)
- B(d);N_GUARD,P_SPINB(d),P_SPINP(c)::QAB1(E),XB(d)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(E);CHECK
- Refutation
- P(g);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,N_GUARD,P_SPINP(c)::B(F)+R(D),XB(d)
- P(c);CHECK,P_SPINB(d)::B(F)+R(D)
- B(d);OGATE,P_SPINB(d),P_SPINP(c),XR(D)::QAB1(E),XB(d)
- B(h);XQ(E)::S(H),XB(h)
- Q(b);::B(F)+R(D),DCHECK
- B(h);::B(F)+R(D),DCHECK
- S(a);::B(F)+R(D),DCHECK
- P(f);::QAR1(E)
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).