MESON Chess Problem Database
Problem Display
PID: 146715 (4q3/pr1p4/1kp1R3/1B2Q3/8/8/2R5/1K2B3 w - - 0 1)
Barnes, Barry Peter
Australian Chess Problem Magazine, 1997
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...a5
- 2.Bf2#
- 1...a5
- Tries
- 1.Bf1?
- threat
- 2.Bf2#
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Qxe6
- 2.Ba5#
- 2.Qa5#
- 1...dxe6
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Rc7
- 2.Rb2#
- 2.Qb2#
- 2.Qb5#
- 1...Rb8
- 2.Rb2#
- 1...a5
- 2.Bf2#
- 2.Qxa5#
- 1...a6
- 2.Bf2#
- 1...d6
- 2.Ba5#
- 2.Qa5#
- 1...Qh5
- 2.Bf2#
- 2.Ba5#
- 2.Rb2#
- 1...Qg6
- 2.Bf2#
- 2.Ba5#
- 2.Qa5#
- 1...Qf7
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Qe7
- 2.Ba5#
- 2.Qa5#
- 1...Qf8
- 2.Ba5#
- 2.Qa5#
- 1...d5!
- threat
- 1.Be2?
- threat
- 2.Bf2#
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Qxe6
- 2.Ba5#
- 2.Qa5#
- 1...dxe6
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Rc7
- 2.Rb2#
- 2.Qb2#
- 2.Qb5#
- 1...Rb8
- 2.Rb2#
- 1...a5
- 2.Bf2#
- 2.Qxa5#
- 1...a6
- 2.Bf2#
- 1...d6
- 2.Ba5#
- 2.Qa5#
- 1...Qh5
- 2.Bf2#
- 2.Ba5#
- 2.Rb2#
- 1...Qg6
- 2.Bf2#
- 2.Ba5#
- 2.Qa5#
- 1...Qf7
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Qe7
- 2.Ba5#
- 2.Qa5#
- 1...Qf8
- 2.Ba5#
- 2.Qa5#
- 1...d5!
- threat
- 1.Bd3?
- threat
- 2.Bf2#
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Qxe6
- 2.Ba5#
- 2.Qa5#
- 1...dxe6
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Rc7
- 2.Rb2#
- 2.Qb2#
- 2.Qb5#
- 1...Rb8
- 2.Rb2#
- 1...a5
- 2.Bf2#
- 2.Qxa5#
- 1...a6
- 2.Bf2#
- 1...d6
- 2.Ba5#
- 2.Qa5#
- 1...Qh5
- 2.Bf2#
- 2.Ba5#
- 2.Rb2#
- 1...Qf7
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Qe7
- 2.Ba5#
- 2.Qa5#
- 1...Qf8
- 2.Ba5#
- 2.Qa5#
- 1...d5!
- threat
- 1.Bc4?
- threat
- 2.Bf2#
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Qxe6
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...dxe6
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Rc7
- 2.Rb2#
- 2.Qb5#
- 1...Rb8
- 2.Rb2#
- 1...a5
- 2.Bf2#
- 2.Qxa5#
- 1...a6
- 2.Bf2#
- 1...d6
- 2.Ba5#
- 2.Qa5#
- 1...Qh5
- 2.Bf2#
- 2.Ba5#
- 2.Rb2#
- 1...Qg6
- 2.Bf2#
- 2.Ba5#
- 2.Qa5#
- 1...Qf7
- 2.Ba5#
- 2.Rb2#
- 2.Qa5#
- 1...Qe7
- 2.Ba5#
- 2.Qa5#
- 1...Qf8
- 2.Ba5#
- 2.Qa5#
- 1...d5!
- threat
- 1.Bf1?
- Keys
- 1.Bxc6!
- threat
- 2.Qa5#
- 1...Ka6+
- 2.Bb5#
- 1...a5
- 2.Qxa5#
- 1...d5
- 2.Bxe8#
- 1...Qh5
- 2.Bxd7#
- 1...a6
- 2.Bf2#
- threat
- 1.Bxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- P(c);SBLOCK::B(B)
- Tries
- Try
- B(D);
- Threat
- DUALS(4)
- Vars
- R(d);::R(C)
- P(c);::B(B)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- DUALS(4)
- Vars
- R(d);::R(C)
- P(c);::B(B)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- DUALS(4)
- Vars
- R(d);::R(C)
- P(c);::B(B)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- DUALS(4)
- Vars
- R(d);::R(C)
- P(c);::B(B)
- Refutation
- P(e);
- Try
- Actual
- B(D);XP(b)
- Threat
- QAB1(E)
- Vars
- K(a);CHECK,P-FLIGHT::R(F)+B(D),DCHECK
- P(c);::QAB1(E),XP(c)
- P(e);OGATE::R(F)+B(D),XQ(f)
- Q(f);N_GUARD::R(F)+B(D),XP(e)
- P(c);SBLOCK::B(B)
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).