MESON Chess Problem Database
Problem Display
PID: 132822 (4N3/3Q4/r1p1P3/5P2/R2pk2P/3p3P/5K1B/bB6 w - - 0 1)
Brown, David Leo
Sinfonie Scacchistiche, 1977
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Kxf5
- 2.Bxd3#
- 1...Kxf5
- Tries
- 1.Rxd4+?
- 1...Kxf5
- 2.Bxd3#
- 2.Qf7#
- 1...Bxd4+!
- 1...Kxf5
- 1.Qxc6+?
- 1...Kxf5
- 2.Bxd3#
- 1...Rxc6!
- 1...Kxf5
- 1.Qxd4+?
- 1...Kxf5
- 2.Qe4#
- 2.Qg4#
- 1...Bxd4+!
- 1...Kxf5
- 1.Qd6?
- threat
- 2.Qe5#
- 1...Kxf5
- 2.Bxd3#
- 1...Ra5!
- threat
- 1.Qg7?
- threat
- 2.Qe5#
- 1...Kd5
- 2.Qe5#
- 1...Kxf5
- 2.Qg4#
- 1...Ra5!
- threat
- 1.e7?
- threat
- 2.Sf6#
- 2.Qe6#
- 1...Ra5
- 2.Sf6#
- 1...c5!
- threat
- 1.Rxd4+?
- Keys
- 1.Ba2!
- threat
- 2.Sd6#
- 1...Kxf5
- 2.Qh7#
- 1...d2
- 2.Bb1#
- 1...c5
- 2.Qd5#
- threat
- 1.Ba2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(d);S_FLIGHT,XP(G)::B(A),XP(b)
- Tries
- Try
- R(E);CHECK,XP(c)
- Refutation
- B(a);CHECK,XR(E)
- Try
- Q(I);CHECK,XP(f)
- Vars
- K(d);S_FLIGHT,XP(G)::B(A),XP(b)
- Refutation
- R(e);XQ(I)
- Try
- Q(I);CHECK,XP(c)
- Refutation
- B(a);CHECK,P_SPINB(a),XQ(I)
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- K(d);S_FLIGHT,XP(G)::B(A),XP(b)
- Refutation
- R(e);
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- K(d);N_SPINP(b),S_FLIGHT::QAR1(I)
- K(d);S_FLIGHT,XP(G)::QAB1(I)
- Refutation
- R(e);
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- R(e);::S(J)
- Refutation
- P(f);
- Try
- Actual
- B(A);N_PINP(b),P_PINP(c)
- Threat
- S(J)
- Vars
- K(d);N_SPINP(c),OGATEB,S_FLIGHT,XP(G)::QAB(I)
- P(b);OGATEB::B(A)
- P(f);N_GUARD::QAB1(I)
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).