MESON Chess Problem Database
Problem Display
PID: 140552 (r5q1/1B4p1/4p3/1Q1r1NN1/3p3B/8/2RKP1kp/1R5b w - - 0 1)
Bonavia-Hunt, Rev Noel Aubrey
The Problemist, 1943
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...d3
- 2.Se3#
- 1...d3
- Tries
- 1.Qd3?
- threat
- 2.Qe4#
- 2.Qf3#
- 2.Qg3#
- 2.Qh3#
- 1...exf5
- 2.Qf3#
- 2.Qg3#
- 2.Qh3#
- 1...Qb8
- 2.Qe4#
- 2.Qf3#
- 2.Qh3#
- 1...Ra3!
- threat
- 1.Qb3?
- threat
- 2.Qf3#
- 2.Qg3#
- 2.Qh3#
- 1...Qb8
- 2.Qf3#
- 2.Qh3#
- 1...d3
- 2.Se3#
- 1...Ra3!
- threat
- 1.e3?
- threat
- 2.Kd3#
- 2.Qf1#
- 2.Qe2#
- 1...dxe3+
- 2.Kxe3#
- 1...Qc8
- 2.Qf1#
- 2.Qe2#
- 1...Ra2
- 2.Qf1#
- 2.Qe2#
- 1...Ra3
- 2.Qf1#
- 2.Qe2#
- 1...Rc8
- 2.Qf1#
- 2.Qe2#
- 1...d3!
- threat
- 1.Qd3?
- Keys
- 1.e4!
- threat
- 2.Kd3#
- 2.Qf1#
- 2.Qe2#
- 1...dxe4 ep+
- 2.Kxe3#
- 1...Rxb5
- 2.Kd3#
- 1...Rxf5
- 2.exf5#
- 1...Qc8
- 2.Qf1#
- 2.Qe2#
- 1...Rc5
- 2.Qf1#
- 2.Qe2#
- 1...Ra2
- 2.Qf1#
- 2.Qe2#
- 1...Ra3
- 2.Qf1#
- 2.Qe2#
- 1...Rc8
- 2.Qf1#
- 2.Qe2#
- 1...d3
- 2.Se3#
- threat
- 1.e4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- P(d);N_GUARD::S(G)
- Tries
- Try
- Q(F);
- Threat
- DUALS(4)
- Refutation
- R(h);
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- P(d);N_GUARD::S(G)
- Refutation
- R(h);
- Try
- P(D);
- Threat
- DUALS(3)
- Vars
- P(d);CHECK,XP(D)::R(B)+K(C),XP(d)
- Refutation
- P(d);
- Try
- Actual
- P(D);N_PINR(e)
- Threat
- DUALS(3)
- Vars
- P(d);CHECK,EP,P_SPINR(e),XP(D)::R(B)+K(C),XP(d)
- R(e);XQ(F)::R(B)+K(C)
- R(e);OGATE,XS(G)::B(I)+P(D),XR(e)
- P(d);N_GUARD::S(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).