MESON Chess Problem Database
Problem Display
PID: 182803 (4Q3/3P1Np1/4Nkp1/Rb6/8/3Rb2K/2rp4/1B6 w - - 0 1)
Barnes, Barry Peter
British Chess Magazine, 2018
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Rf3#
- 1...Bf2
- 2.Rf3#
- 1...Bd4
- 2.Rf3#
- 1...Bc5
- 2.Rf3#
- 1...Bb6
- 2.Rf3#
- 1...Ba7
- 2.Rf3#
- 1...Bxd3
- 2.d8Q#
- 2.d8B#
- 1...Ba4
- 2.d8Q#
- 2.d8B#
- 1...Bc4
- 2.d8Q#
- 2.d8B#
- 1...Ba6
- 2.d8Q#
- 2.d8B#
- 1...Bc6
- 2.d8Q#
- 2.d8B#
- 1...Bg1
- Tries
- 1.Sd4?
- threat
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Bxd4
- 2.Rf3#
- 1...Bxd3
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...g5
- 2.Qe6#
- 1...d1Q
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...d1S
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...d1B
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...d1R
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Rc1
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Ra2
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Rb2
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Rc3
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Rc4
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Rc5
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Rc6
- 2.d8Q#
- 2.d8B#
- 1...Rc7
- 2.Qe6#
- 1...Rc8
- 2.Qe6#
- 1...Bg1
- 2.Rf3#
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Bf2
- 2.Rf3#
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Bf4
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Bg5
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Bh6
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Ba4
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Bc4
- 2.d8Q#
- 2.d8B#
- 1...Ba6
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Bc6
- 2.Qe6#
- 2.d8Q#
- 2.d8B#
- 1...Bxd7+!
- threat
- 1.Sed8?
- threat
- 2.Qe5#
- 2.Qe6#
- 1...Kf5
- 2.Qe5#
- 1...g5
- 2.Qe6#
- 1...Rc5
- 2.Rd6#
- 2.Qe6#
- 1...Rc6
- 2.Qe5#
- 1...Bd4
- 2.Rf3#
- 2.Qe6#
- 1...Bf4
- 2.Qe6#
- 1...Bc4
- 2.Qe5#
- 1...Bxd7+!
- threat
- 1.Sf8?
- threat
- 2.Qe6#
- 1...Bxd7+
- 2.Sxd7#
- 1...Kf5
- 2.Qe5#
- 1...Bc4
- 2.Sh7#
- 2.d8Q#
- 2.d8B#
- 1...Rc6!
- threat
- 1.Sd4?
- Keys
- 1.Sc5!
- threat
- 2.Qe6#
- 1...Bxd7+
- 2.Sxd7#
- 1...Kf5
- 2.Qe5#
- 1...Rxc5
- 2.Rd6#
- 1...Bxc5
- 2.Rf3#
- 1...Bc4
- 2.Se4#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- B(c);OGATE::R(B)
- B(d);XR(B)::P=Q
- B(d);::P=Q
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- B(c);OGATE,XS(E)::R(B)
- P(f);::QAR1(H)
- R(a);::P=Q
- R(a);::QAR1(H)
- B(d);::P=Q
- Refutation
- B(d);CHECK,XP(F)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- K(e);P-FLIGHT,P_SPINB(d)::QAR1(H)
- P(f);::QAR1(H)
- R(a);::QAB1(H)
- B(c);::QAR1(H)
- B(d);::QAB1(H)
- Refutation
- B(d);CHECK,XP(F)
- Try
- S(E);
- Threat
- QAR1(H)
- Vars
- B(d);CHECK,XP(F)::S(E),XB(d)
- K(e);P-FLIGHT,P_SPINB(d)::QAR1(H)
- Refutation
- R(a);
- Try
- Actual
- S(E);
- Threat
- QAR1(H)
- Vars
- B(d);CHECK,XP(F)::S(E),XB(d)
- K(e);P-FLIGHT::QAR1(H)
- R(a);XS(E)::R(B)
- B(c);OGATE,XS(E)::R(B)
- B(d);::S(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).