MESON Chess Problem Database
Problem Display
PID: 207118 (2K5/3N4/p1k1p3/5N1B/2P4Q/1R2b3/3r4/8 w - - 0 1)
Healey, Frank
A Collection of Two Hundred Chess Problems (Healey), 1866
#2
7 + 5
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Bf3#
- 2.Qe4#
- 1...Rb2
- 2.Bf3#
- 2.Qe4#
- 1...Rc2
- 2.Bf3#
- 2.Qe4#
- 1...Re2
- 2.Bf3#
- 2.Qe4#
- 1...Rf2
- 2.Qe4#
- 1...Rg2
- 2.Bf3#
- 2.Qe4#
- 1...Rh2
- 2.Bf3#
- 2.Qe4#
- 1...Rd4
- 2.Rb6#
- 1...Rd6
- 2.Se7#
- 1...Bd4
- 2.Bf3#
- 2.Qe4#
- 1...Bf4
- 2.Rb6#
- 1...Bc5
- 2.Se5#
- 2.Sb8#
- 1...Bg5
- 2.Rb6#
- 1...Bb6
- 2.Rxb6#
- 1...Bh6
- 2.Rb6#
- 1...Ra2
- Tries
- 1.Sd4+?
- 1...Kd6
- 2.Rb6#
- 1...Rxd4
- 2.Rb6#
- 1...Bxd4!
- 1...Kd6
- 1.Rd3?
- threat
- 2.Se7#
- 2.Bf3#
- 2.Qe4#
- 1...exf5
- 2.Bf3#
- 2.Qf6#
- 1...Rf2
- 2.Se7#
- 2.Rd6#
- 2.Qe4#
- 1...Bd4
- 2.Bf3#
- 2.Qe4#
- 1...Bf4
- 2.Se7#
- 2.Bf3#
- 1...Bc5
- 2.Bf3#
- 2.Qe4#
- 1...Bg5
- 2.Bf3#
- 2.Qe4#
- 1...e5
- 2.Se7#
- 2.Qf6#
- 2.Qe4#
- 1...Rxd3!
- threat
- 1.Qe7?
- threat
- 2.Se5#
- 2.Sb8#
- 1...Rd5
- 2.Sb8#
- 1...Rd6
- 2.Qxd6#
- 1...Bd4
- 2.Sb8#
- 2.Bf3#
- 2.Qd6#
- 2.Qxe6#
- 1...Bf4
- 2.Rb6#
- 2.Qc5#
- 1...Ba7
- 2.Se5#
- 1...e5
- 2.Sxe5#
- 2.Sb8#
- 1...Rxd7!
- threat
- 1.Qd8?
- threat
- 2.Qc7#
- 1...Bf4
- 2.Rb6#
- 2.Qb6#
- 1...Bb6
- 2.Rxb6#
- 2.Qxb6#
- 1...Rxd7!
- threat
- 1.Qh1+?
- 1...Rg2
- 2.Bf3#
- 2.Qxg2#
- 1...Rd5!
- 1...Rg2
- 1.Sd4+?
- Keys
- 1.Qd4!
- threat
- 2.Se7#
- 2.Se5#
- 2.Sb8#
- 2.Bf3#
- 2.Rb6#
- 1...Rxd4
- 2.Rb6#
- 1...Bxd4
- 2.Bf3#
- 1...exf5
- 2.Se5#
- 2.Sb8#
- 2.Bf3#
- 2.Rb6#
- 1...Rb2
- 2.Se7#
- 2.Se5#
- 2.Sb8#
- 2.Bf3#
- 2.Qe4#
- 2.Qd6#
- 1...Rf2
- 2.Se7#
- 2.Se5#
- 2.Sb8#
- 2.Rb6#
- 2.Qe4#
- 2.Qd6#
- 1...Bf4
- 2.Se7#
- 2.Bf3#
- 2.Rb6#
- 2.Qc5#
- 2.Qb6#
- 1...Bg5
- 2.Se5#
- 2.Sb8#
- 2.Bf3#
- 2.Rb6#
- 2.Qc5#
- 2.Qb6#
- 1...e5
- 2.Se7#
- 2.Sxe5#
- 2.Sb8#
- 2.Rb6#
- threat
- 1.Qd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::QAB(C)
- R(a);S_CUTB(b)::R1(A)
- R(a);SBLOCK::S(D)
- B(b);N_GUARD::R1(A)
- B(b);N_GUARD::R1(A),XB(b)
- Tries
- Try
- S(D);CHECK
- Vars
- K(d);P-FLIGHT::R(A)
- R(a);XS(D)::R1(A)
- Refutation
- B(b);XS(D)
- Try
- R(A);
- Threat
- DUALS(3)
- Refutation
- R(a);XR(A)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(a);::S(F)
- R(a);N_GUARD::QAR1(C),XR(a)
- B(b);::S(F)
- Refutation
- R(a);XS(F)
- Try
- Q(C);
- Threat
- QAR1(C)
- Refutation
- R(a);XS(F)
- Try
- Q(C);CHECK
- Refutation
- R(a);P_SPINR(a)
- Try
- Actual
- Q(C);
- Threat
- DUALS(5)
- Vars
- R(a);XQ(C)::R1(A)
- B(b);XQ(C)::B(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).