MESON Chess Problem Database
Problem Display
PID: 58690 (b4K2/8/1Q4N1/3p1p2/4k3/4r3/6p1/2N5 w - - 0 1)
Munck, Laurits Andreas
Skakbladet, 1906
#2
4 + 6
SOLUTION
- SOUND
- Tries
- 1.Qd4+?
- 1...Kf3
- 2.Qf4#
- 1...Kxd4!
- 1...Kf3
- 1.Qb1+?
- 1...Kd4
- 2.Qb4#
- 1...Rd3
- 2.Qxd3#
- 1...Kf3!
- 1...Kd4
- 1.Qb4+?
- 1...Kf3
- 2.Qf4#
- 1...d4!
- 1...Kf3
- 1.Qd6?
- threat
- 2.Qf4#
- 1...Kf3
- 2.Qf4#
- 1...Kd4
- 2.Qb4#
- 1...f4
- 2.Qxf4#
- 1...Rf3
- 2.Qe5#
- 1...d4!
- threat
- 1.Qd4+?
- Keys
- 1.Qb8!
- threat
- 2.Qf4#
- 1...Kf3
- 2.Qf4#
- 1...Kd4
- 2.Qb4#
- 1...f4
- 2.Qxf4#
- 1...d4
- 2.Qxa8#
- 1...Rf3
- 2.Qe5#
- threat
- 1.Qb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);CHECK
- Vars
- K(c);OGATE,S_FLIGHT::QAR1(B)
- Refutation
- K(c);P-FLIGHT,XQ(B)
- Try
- Q(B);CHECK
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(b);N_GUARD,P_SPINR(b)::QAB1(B),XR(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(c);OGATE,S_FLIGHT::QAR1(B)
- Refutation
- P(d);P_SPINP(d)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- K(c);S_FLIGHT::QAR1(B)
- K(c);P-FLIGHT,P_SPINP(d)::QAR2(B)
- P(e);::QAR1(B),XP(e)
- R(b);SBLOCK::QAR1(B)
- Refutation
- P(d);
- Try
- Actual
- Q(B);
- Threat
- QAR1(B)
- Vars
- K(c);S_FLIGHT::QAR1(B)
- K(c);P-FLIGHT::QAR2(B)
- P(e);::QAR1(B),XP(e)
- P(d);OGATEB,SBLOCK::QAB(B),XB(f)
- R(b);SBLOCK::QAR1(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).