MESON Chess Problem Database
Problem Display
PID: 247201 (8/2K1B3/8/kpN5/N7/1p6/1P1P4/2Q5 w - - 0 1)
Murashev, Pavel Aleksandrovich
Uralski Problemist, 2010
#2
7 + 3
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kb4
- 2.Qc3#
- 1...Kb4
- Tries
- 1.Sc3?
- 1...b4
- 2.Qa1#
- 1...Kb4!
- 1...b4
- 1.Sb6?
- 1...Kb4
- 2.Sb7#
- 2.Qc3#
- 1...b4!
- 1...Kb4
- 1.Sb7+?
- 1...Kxa4
- 2.Qa1#
- 1...Ka6!
- 1...Kxa4
- 1.Bd8?
- 1...Kb4
- 2.Qc3#
- 1...b4
- 2.Kc6#
- 1...bxa4!
- 1...Kb4
- 1.Qa1?
- 1...bxa4
- 2.Qxa4#
- 1...b4
- 2.Sc3#
- 1...Kb4!
- 1...bxa4
- 1.Qf1?
- 1...bxa4
- 2.Sb7#
- 1...b4
- 2.Qa6#
- 1...Kb4!
- 1...bxa4
- 1.Qc4?
- 1...bxa4
- 2.Sb7#
- 2.Qxa4#
- 1...b4
- 2.Qa6#
- 1...bxc4!
- 1...bxa4
- 1.Sc3?
- Keys
- 1.Kc6!
- 1...Kb4
- 2.Qc3#
- 1...bxa4
- 2.Qc3#
- 1...b4
- 2.Bd8#
- 1...Kb4
- 1.Kc6!
This anticipates 246678(2019)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::QAB1(A)
- Tries
- Try
- S(D);
- Vars
- P(c);SBLOCK::QAR(A)
- Refutation
- K(b);S_FLIGHT
- Try
- S(D);
- Refutation
- P(c);
- Try
- S(E);CHECK
- Vars
- K(b);P-FLIGHT,XS(D)::QAR(A)
- Refutation
- K(b);P-FLIGHT
- Try
- B(G);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- P(c);SBLOCK::B(G)+K(F)
- Refutation
- P(c);XS(D)
- Try
- Q(A);
- Vars
- P(c);OGATE,P_SPINP(c),XS(D)::QAR1(A),XP(c)
- P(c);SBLOCK::QAR(A)+S(D)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(A);
- Vars
- P(c);SBLOCK,XS(D)::S(E)
- P(c);OGATE,SBLOCK::QAR1(A)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(A);
- Vars
- P(c);OGATE,SBLOCK::QAR1(A)
- Refutation
- P(c);XQ(A)
- Try
- Actual
- K(F);P-FLIGHT
- Vars
- K(b);S_FLIGHT::QAB1(A)
- P(c);N_GUARD,XS(D)::QAB(A)
- P(c);SBLOCK::B(G)
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).