MESON Chess Problem Database
Problem Display
PID: 16270 (4N3/8/4p3/1K1k4/4r3/5Q2/4N3/8 w - - 0 1)
Nesic, Milivoj S
The Problemist, 2000
#2
4 + 3
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ke5
- 2.Qh5#
- 1...e5
- 2.Qf7#
- 1...Ke5
- Tries
- 1.Kb6?
- 1...Ke5
- 2.Qh5#
- 1...e5
- 2.Qf7#
- 1...Kc4!
- 1...Ke5
- 1.Sc3+?
- 1...Ke5
- 2.Qxe4#
- 2.Qf6#
- 1...Kd4!
- 1...Ke5
- 1.Qh1?
- 1...Ke5
- 2.Qh5#
- 1...e5!
- 1...Ke5
- 1.Qh5+?
- 1...e5
- 2.Qf7#
- 1...Re5!
- 1...e5
- 1.Qd3+?
- 1...Rd4
- 2.Qxd4#
- 1...Ke5!
- 1...Rd4
- 1.Qf5+?
- 1...Re5
- 2.Qd3#
- 1...e5
- 2.Qd7#
- 2.Qf7#
- 1...exf5!
- 1...Re5
- 1.Kb6?
- Keys
- 1.Qg2!
- 1...Ke5
- 2.Qg5#
- 1...e5
- 2.Qg8#
- 1...Ke5
- 1.Qg2!
Anticipated by 241985(1933)
This anticipates 241701(2007)
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);N_SPINR(a),P-FLIGHT::QAR(B)
- P(c);OGATEB,SBLOCK::QAB(B)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAR(B)
- P(c);OGATEB,SBLOCK::QAB(B)
- Refutation
- K(b);N_SPINR(a),S_FLIGHT
- Try
- S(A);CHECK
- Refutation
- K(b);N_SPINR(a),P-FLIGHT
- Try
- Q(B);
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAR(B)
- Refutation
- P(c);
- Try
- Q(B);CHECK,N_PINR(a)
- Vars
- P(c);OGATEB,P_SPINP(c),SBLOCK::QAB(B)
- Refutation
- R(a);P_SPINR(a)
- Try
- Q(B);CHECK,N_PINR(a)
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAR1(B),XR(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);CHECK,N_PINR(a)
- Vars
- R(a);OGATE,P_SPINR(a),SBLOCK::QAR2(B)
- Refutation
- P(c);XQ(B)
- Try
- Actual
- Q(B);
- Vars
- K(b);N_SPINR(a),P-FLIGHT::QAR2(B)
- P(c);OGATEB,SBLOCK::QAB(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).