MESON Chess Problem Database
Problem Display
PID: 188394 (5Q2/8/8/KnR1p3/3k4/1Bppp3/8/8 w - - 0 1)
Noll, M
Schweizerische Schachzeitung, 1969
#2
4 + 6
SOLUTION
- SOUND
- Sets
- 1...e4
- 2.Rd5#
- 1...e4
- Tries
- 1.Qf5?
- threat
- 2.Rd5#
- 2.Qxe5#
- 1...e2
- 2.Qxe5#
- 1...Sc7
- 2.Qxe5#
- 1...c2
- 2.Qxe5#
- 1...d2
- 2.Rd5#
- 1...e4
- 2.Rc4#
- 2.Rd5#
- 2.Qd5#
- 2.Qe5#
- 1...Kxc5!
- threat
- 1.Qa8?
- threat
- 2.Rc4#
- 2.Qd5#
- 1...Kxc5
- 2.Qd5#
- 1...d2
- 2.Qd5#
- 1...Sa3
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 1...Sc7
- 2.Rc4#
- 1...e4
- 2.Rd5#
- 2.Qd5#
- 1...e2!
- threat
- 1.Qg8?
- threat
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 1...Ke4
- 2.Qg4#
- 1...Kxc5
- 2.Qd5#
- 1...d2
- 2.Qc4#
- 2.Qd5#
- 1...Sa3
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 1...Sc7
- 2.Rc4#
- 2.Qc4#
- 1...e4
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 1...e2!
- threat
- 1.Qf5?
- Keys
- 1.Qf3!
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Qd5#
- 1...Kxc5
- 2.Qd5#
- 1...d2
- 2.Rd5#
- 2.Qd5#
- 1...Sa3
- 2.Rd5#
- 2.Qd5#
- 1...Sd6
- 2.Rd5#
- 2.Qd5#
- 1...Sc7
- 2.Rc4#
- 1...c2
- 2.Rc4#
- 2.Qd5#
- 1...e2
- 2.Rc4#
- 2.Rd5#
- 1...e4
- 2.Rd5#
- threat
- 1.Qf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(f);SBLOCK::R1(C)
- Tries
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(D),XP(f)
- S(e);::QAB1(D),XP(f)
- P(a);::QAB1(D),XP(f)
- P(b);::R1(C)
- Refutation
- K(d);P_SPINP(f),S_FLIGHT,XR(C)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XR(C)::QAR1(D)
- P(b);::QAR1(D)
- S(e);::QAR1(D)
- S(e);::R1(C)
- Refutation
- P(c);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- K(d);P-FLIGHT::QAR2(D)
- K(d);S_FLIGHT,XR(C)::QAR1(D)
- S(e);::QAR1(D)
- Refutation
- P(c);
- Try
- Actual
- Q(D);
- Threat
- DUALS(3)
- Vars
- K(d);S_FLIGHT,XR(C)::QAR1(D)
- S(e);::R1(C)
- P(f);::R1(C)
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).