MESON Chess Problem Database
Problem Display
PID: 223172 (3b4/1K1B4/P7/k1P5/1p6/r7/3Q3B/8 w - - 0 1)
Hamilton, Charles Dingee Pennock
Philadelphia Times, 1886
#2
6 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qxa2#
- 1...Bh4
- 2.Bc7#
- 1...Bg5
- 2.Bc7#
- 1...Bf6
- 2.Bc7#
- 1...Bc7
- 2.Bxc7#
- 1...Be7
- 2.Bc7#
- 1...Ra2
- Tries
- 1.a7?
- threat
- 2.a8Q#
- 2.a8R#
- 1...Ra1
- 2.a8Q#
- 2.a8R#
- 1...Ra2
- 2.Qxa2#
- 2.a8Q#
- 2.a8R#
- 1...Rb3
- 2.a8Q#
- 2.a8R#
- 1...Rc3
- 2.a8Q#
- 2.a8R#
- 1...Rd3
- 2.a8Q#
- 2.a8R#
- 1...Re3
- 2.a8Q#
- 2.a8R#
- 1...Rf3
- 2.a8Q#
- 2.a8R#
- 1...Rg3
- 2.a8Q#
- 2.a8R#
- 1...Rh3
- 2.a8Q#
- 2.a8R#
- 1...Ra4
- 2.a8Q#
- 2.a8R#
- 1...Bh4
- 2.Bc7#
- 2.a8Q#
- 2.a8R#
- 1...Bg5
- 2.Bc7#
- 2.a8Q#
- 2.a8R#
- 1...Bf6
- 2.Bc7#
- 2.a8Q#
- 2.a8R#
- 1...Bc7
- 2.Bxc7#
- 2.a8Q#
- 2.a8R#
- 1...Be7
- 2.Bc7#
- 2.a8Q#
- 2.a8R#
- 1...Bb6!
- threat
- 1.a7?
- Keys
- 1.Qg5!
- threat
- 2.Qxd8#
- 1...Bxg5
- 2.Bc7#
- 1...b3
- 2.Qd2#
- 1...Bb6
- 2.cxb6#
- 1...Bf6
- 2.Bc7#
- 1...Bc7
- 2.Bxc7#
- 1...Be7
- 2.Bc7#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(a);OGATEB::QAR(A),XR(a)
- B(d);N_GUARD,SBLOCK::B(B)
- B(d);N_GUARD::B(B)
- B(d);N_GUARD::B(B),XB(d)
- Tries
- Try
- P(D);
- Threat
- P=Q
- Vars
- R(a);::P=Q
- R(a);N_SPINP(b)::P=Q
- Refutation
- B(d);
- Try
- Actual
- Q(A);N_PINP(b)
- Threat
- QAB(A),XB(d)
- Vars
- B(d);N_GUARD,XQ(A)::B(B)
- P(b);OGATEB::QAB(A)
- B(d);OGATE::QAR(A)+P(C),XB(d)
- B(d);N_GUARD::B(B)
- B(d);N_GUARD::B(B),XB(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).