MESON Chess Problem Database
Problem Display
PID: 77214 (4k2K/4P1np/qN2BP1r/4N3/6n1/8/b6b/3r4 w - - 0 1)
Holladay, Edgar Dinwiddie
2nd Prize, The Problemist, 1965
#2
6 + 9
| 6232 | Holladay Chess Problems | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bd7#
- 1...Rb1
- 2.Bd7#
- 1...Rc1
- 2.Bd7#
- 1...Re1
- 2.Bd7#
- 1...Rf1
- 2.Bd7#
- 1...Rg1
- 2.Bd7#
- 1...Rh1
- 2.Bd7#
- 1...Rd5
- 2.Bf7#
- 1...Rd7
- 2.Bxd7#
- 1...Bb1
- 2.Bf7#
- 1...Bd5
- 2.Bd7#
- 1...Ra1
- Keys
- 1.Sd5!
- threat
- 2.Sc7#
- 2.Bd7#
- 2.Bf7#
- 2.f7#
- 1...Qxe6
- 2.Sc7#
- 1...Rxd5
- 2.Bf7#
- 1...Rxf6
- 2.Bd7#
- 1...Bxd5
- 2.Bd7#
- 1...Bxe5
- 2.f7#
- 1...Sxe5
- 2.Sc7#
- 1...Sxf6
- 2.Bf7#
- 1...Sxe6
- 2.f7#
- 1...Qf1
- 2.Sc7#
- 2.Bd7#
- 2.Bf7#
- 1...Qc4
- 2.Bd7#
- 2.Bf7#
- 2.f7#
- 1...Qb5
- 2.Sc7#
- 2.Bf7#
- 2.f7#
- 1...Qb7
- 2.Bf7#
- 2.f7#
- 1...Qc8
- 2.Bf7#
- 2.f7#
- 1...Qa4
- 2.Sc7#
- 2.Bf7#
- 2.f7#
- 1...Qa5
- 2.Bd7#
- 2.Bf7#
- 2.f7#
- 1...Qb6
- 2.Bd7#
- 2.Bf7#
- 2.f7#
- 1...Qc6
- 2.Bf7#
- 2.f7#
- 1...Qd6
- 2.Bf7#
- 2.f7#
- 1...Qa7
- 2.Bf7#
- 2.f7#
- 1...Rc1
- 2.Bd7#
- 2.Bf7#
- 2.f7#
- 1...Rf1
- 2.Sc7#
- 2.Bd7#
- 2.Bf7#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::B(C)
- R(a);S_CUTB(b)::B(C)
- R(a);N_GUARD::B(C),XR(a)
- B(b);N_GUARD::B(C)
- B(b);S_CUTR(a)::B(C)
- Actual
- S(B);
- Threat
- DUALS(4)
- Vars
- Q(e);XB(C)::S(B)
- R(a);XS(B)::B(C)
- R(f);XP(D)::B(C)
- B(b);XS(B)::B(C)
- B(c);XS(A)::P(D)
- S(d);XS(A)::S(B)
- S(d);XP(D)::B(C)
- S(g);XB(C)::P(D)
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).