MESON Chess Problem Database
Problem Display
PID: 236965 (2b3B1/N1p5/1p2p3/7R/1Pk2P1R/B1p2P1K/2Q5/8 w - - 0 1)
Bruchner, Siegfried
Schweizerische Schachzeitung, 1988
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qe4#
- 1...Kd4
- Tries
- 1.Sc6?
- 1...Ba6
- 2.Bxe6#
- 1...Bb7
- 2.Bxe6#
- 1...b5
- 2.Rc5#
- 1...Bd7!
- 1...Ba6
- 1.Bb2?
- threat
- 2.Qxc3#
- 1...Kd4
- 2.Qe4#
- 2.Qxc3#
- 1...Kxb4!
- threat
- 1.Bxe6+?
- 1...Kd4
- 2.Qe4#
- 1...Bxe6+!
- 1...Kd4
- 1.Rc5+?
- 1...Kd4
- 2.Qe4#
- 2.Qxc3#
- 1...bxc5!
- 1...Kd4
- 1.Re5?
- threat
- 2.f5#
- 1...Kd4
- 2.Qe4#
- 1...Bb7!
- threat
- 1.Qe2+?
- 1...Kd4
- 2.Sb5#
- 2.Sc6#
- 2.Qe4#
- 1...Kb3!
- 1...Kd4
- 1.Sc6?
- Keys
- 1.Rd5!
- threat
- 2.Qa2#
- 1...exd5+
- 2.f5#
- 1...e5+
- 2.Rd7#
- 1...Kxd5
- 2.Qd3#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(b);N_SPINP(a),P-FLIGHT::QAR1(A)
- Tries
- Try
- S(I);
- Vars
- B(f);N_GUARD::B(J),XP(d)
- P(c);N_GUARD::R1(H)
- Refutation
- B(f);
- Try
- B(B);
- Threat
- QAR1(A),XP(a)
- Refutation
- K(b);N_SPINP(a),P-FLIGHT,XP(E)
- Try
- B(J);CHECK,P_SPINB(J),XP(d)
- Vars
- K(b);N_SPINP(a),P-FLIGHT::QAR1(A)
- Refutation
- B(f);CHECK,XB(J)
- Try
- R(H);CHECK
- Refutation
- P(c);XR(H)
- Try
- R(H);
- Threat
- R(G)+P(F)
- Vars
- K(b);N_SPINP(a),P-FLIGHT::QAR1(A)
- Refutation
- B(f);
- Try
- Q(A);CHECK,N_PINP(a),P_PINP(d)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- R(H);
- Threat
- QAB(A)
- Vars
- P(d);CHECK,XR(H)::R(G)+P(F)
- P(d);CHECK,OGATEB::B(J)+R(H)
- K(b);N_SPINP(a),P_SPINP(d),S_FLIGHT,XR(H)::QAR2(A)
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).