MESON Chess Problem Database
Problem Display
PID: 207516 (8/1NpB4/8/3k4/N2bRp2/5K2/P1P5/8 w - - 0 1)
Martindale, Frank W
Chess Problems - Martindale, FW, 1872
#2
7 + 4
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.c4#
- 1...Bg1
- 2.Sc3#
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bf2
- 2.Sc3#
- 2.c4#
- 1...Bc3
- 2.Sxc3#
- 1...Be3
- 2.Sc3#
- 2.c4#
- 1...Bc5
- 2.Sc3#
- 2.c4#
- 1...Be5
- 2.c4#
- 1...Bb6
- 2.Sc3#
- 2.c4#
- 1...Bf6
- 2.c4#
- 1...Ba7
- 2.Sc3#
- 2.c4#
- 1...Bg7
- 2.c4#
- 1...Bh8
- 2.c4#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Be6#
- 1...Ba1
- Tries
- 1.Sb6+?
- 1...Bxb6
- 2.c4#
- 1...cxb6!
- 1...Bxb6
- 1.Bb5?
- threat
- 2.c4#
- 1...Bc3
- 2.Sxc3#
- 1...Be5!
- threat
- 1.a3?
- 1...Bc3
- 2.Sxc3#
- 1...Ba1
- 2.c4#
- 1...Bg1
- 2.Sc3#
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bf2
- 2.Sc3#
- 2.c4#
- 1...Be3
- 2.Sc3#
- 2.c4#
- 1...Bc5
- 2.Sc3#
- 2.c4#
- 1...Be5
- 2.c4#
- 1...Bb6
- 2.Sc3#
- 2.c4#
- 1...Bf6
- 2.c4#
- 1...Ba7
- 2.Sc3#
- 2.c4#
- 1...Bg7
- 2.c4#
- 1...Bh8
- 2.c4#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Be6#
- 1...Kc4!
- 1...Bc3
- 1.Sb6+?
- Keys
- 1.c3!
- 1...Kc4
- 2.Rxd4#
- 1...Bxc3
- 2.Sxc3#
- 1...Bg1
- 2.c4#
- 1...Bf2
- 2.c4#
- 1...Be3
- 2.c4#
- 1...Bc5
- 2.c4#
- 1...Be5
- 2.c4#
- 1...Bb6
- 2.c4#
- 1...Bf6
- 2.c4#
- 1...Ba7
- 2.c4#
- 1...Bg7
- 2.c4#
- 1...Bh8
- 2.c4#
- 1...c5
- 2.Sb6#
- 1...c6
- 2.Be6#
- 1...Kc4
- 1.c3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- B(a);::P(B)
- B(a);N_GUARD::S(D),XB(a)
- P(d);N_GUARD,S_CUTB(a)::S(D)
- P(d);SBLOCK::B(G)
- Tries
- Try
- S(D);CHECK
- Vars
- B(a);XS(D)::P(B)
- Refutation
- P(d);XS(D)
- Try
- B(G);
- Threat
- P(B)
- Vars
- B(a);N_GUARD::S(D),XB(a)
- Refutation
- B(a);
- Try
- P(A);
- Vars
- B(a);N_GUARD::S(D),XB(a)
- B(a);::P(B)
- P(d);N_GUARD,S_CUTB(a)::S(D)
- P(d);SBLOCK::B(G)
- Refutation
- K(c);P_SPINB(a),S_FLIGHT
- Try
- Actual
- P(B);
- Vars
- K(c);P_SPINB(a),S_FLIGHT::R1(E),XB(a)
- B(a);XP(B)::S(D),XB(a)
- B(a);::P(B)
- P(d);N_GUARD,S_CUTB(a)::S(D)
- P(d);SBLOCK::B(G)
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).