MESON Chess Problem Database
Problem Display
PID: 18426 (8/8/3Q4/3ppkb1/R7/6Rb/4B3/1K6 w - - 0 1)
Eaves, Rufus
Time & Tide, 1955
#2
5 + 5
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Bg4#
- 1...Bg2
- 2.Bg4#
- 1...Bg4
- 2.Bxg4#
- 1...Bc1
- 2.Qg6#
- 1...Bd2
- 2.Qg6#
- 1...Be3
- 2.Qg6#
- 1...Bf4
- 2.Qg6#
- 1...Bh4
- 2.Qg6#
- 1...Bf6
- 2.Qd7#
- 1...Bh6
- 2.Qg6#
- 1...Be7
- 2.Qg6#
- 1...Bd8
- 2.Qg6#
- 1...Bf1
- Tries
- 1.Bh5?
- threat
- 2.Bg6#
- 2.Qg6#
- 1...e4
- 2.Bg6#
- 1...Bf6
- 2.Bg6#
- 2.Qd7#
- 1...d4!
- threat
- 1.Rf4+?
- 1...Bxf4
- 2.Qg6#
- 1...exf4
- 2.Bd3#
- 1...Kxf4!
- 1...Bxf4
- 1.Bh5?
- Keys
- 1.Rd4!
- 1...exd4
- 2.Bd3#
- 1...e4
- 2.Rxd5#
- 1...Bf1
- 2.Bg4#
- 1...Bg2
- 2.Bg4#
- 1...Bg4
- 2.Bxg4#
- 1...Bc1
- 2.Qg6#
- 1...Bd2
- 2.Qg6#
- 1...Be3
- 2.Qg6#
- 1...Bf4
- 2.Qg6#
- 1...Bh4
- 2.Qg6#
- 1...Bf6
- 2.Qd7#
- 1...Bh6
- 2.Qg6#
- 1...Be7
- 2.Qg6#
- 1...Bd8
- 2.Qg6#
- 1...exd4
- 1.Rd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::B(B)
- B(a);N_GUARD::B(B),XB(a)
- B(e);::QAB1(E)
- B(e);SBLOCK::QAB(E)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- P(c);::B(B)
- Refutation
- P(b);
- Try
- R(D);CHECK
- Vars
- B(e);SBLOCK,XR(D)::QAB1(E)
- P(c);XR(D)::B(B)
- Refutation
- K(d);P-FLIGHT,P_SPINP(c),XR(D)
- Try
- Actual
- R(D);
- Vars
- P(c);N_GUARD,XR(D)::B(B)
- P(c);OGATEB,SBLOCK::R(D),XP(b)
- B(a);N_GUARD::B(B)
- B(a);N_GUARD::B(B),XB(a)
- B(e);::QAB1(E)
- B(e);SBLOCK::QAB(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).