MESON Chess Problem Database
Problem Display
PID: 246678 (8/pPK1Bp2/p2P1Q2/kpN2P2/N7/8/2P5/8 w - - 0 1)
Murashev, Pavel Aleksandrovich
Moscow Ty., 2019
#2
9 + 5
| 5454 | Near Snap | 2021 |
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kb4
- 2.Qc3#
- 1...Kb4
- Tries
- 1.Sc3?
- 1...b4
- 2.Sb3#
- 1...Kb4!
- 1...b4
- 1.Sd3?
- 1...Kxa4
- 2.Qa1#
- 1...bxa4
- 2.Qe5#
- 1...b4!
- 1...Kxa4
- 1.Bd8?
- 1...Kb4
- 2.Qc3#
- 1...b4
- 2.Kc6#
- 1...bxa4!
- 1...Kb4
- 1.Qa1?
- 1...Kb4
- 2.Qc3#
- 1...bxa4
- 2.Qxa4#
- 1...b4
- 2.Sc3#
- 1...f6!
- 1...Kb4
- 1.Qd4?
- threat
- 2.Sb3#
- 1...bxa4
- 2.Qxa4#
- 1...b4!
- threat
- 1.Qh4?
- threat
- 2.Sb3#
- 1...bxa4
- 2.Qxa4#
- 1...b4!
- threat
- 1.d7?
- 1...Kb4
- 2.Qc3#
- 1...b4
- 2.Qxa6#
- 1...bxa4!
- 1...Kb4
- 1.b8Q?
- 1...Kb4
- 2.Qc3#
- 1...bxa4
- 2.Qc3#
- 1...b4!
- 1...Kb4
- 1.b8R?
- 1...Kb4
- 2.Qc3#
- 1...bxa4
- 2.Qc3#
- 1...b4!
- 1...Kb4
- 1.Sc3?
- Keys
- 1.Kc6!
- 1...Kb4
- 2.Qc3#
- 1...bxa4
- 2.Qc3#
- 1...b4
- 2.Bd8#
- 1...Kb4
- 1.Kc6!
Anticipated by 247201(2010)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(a);S_FLIGHT::QAB1(F)
- Tries
- Try
- S(B);
- Vars
- P(b);SBLOCK::S(C)
- Refutation
- K(a);S_FLIGHT
- Try
- S(C);
- Vars
- K(a);OGATEB,P-FLIGHT,XS(B)::QAR(F)
- P(b);OGATEB,SBLOCK,XS(B)::QAR(F)
- Refutation
- P(b);
- Try
- B(I);
- Vars
- K(a);S_FLIGHT::QAB1(F)
- P(b);SBLOCK::B(I)+K(H)
- Refutation
- P(b);XS(B)
- Try
- Q(F);
- Vars
- K(a);S_FLIGHT::QAB1(F)
- P(b);OGATE,P_SPINP(b),XS(B)::QAR1(F),XP(b)
- P(b);SBLOCK::QAR(F)+S(B)
- Refutation
- P(e);
- Try
- Q(F);
- Threat
- S(C)
- Vars
- P(b);OGATE,XS(B)::QAR1(F),XP(b)
- Refutation
- P(b);
- Try
- Q(F);
- Threat
- S(C)
- Vars
- P(b);OGATE,XS(B)::QAR1(F),XP(b)
- Refutation
- P(b);
- Try
- P(E);
- Vars
- K(a);S_FLIGHT::QAB1(F)
- P(b);SBLOCK::QAR1(F),XP(c)
- Refutation
- P(b);XS(B)
- Try
- P(G);
- Vars
- K(a);P_SPINP(b),S_FLIGHT::QAB1(F)
- P(b);N_GUARD,XS(B)::QAB(F)
- Refutation
- P(b);
- Try
- P(G);
- Vars
- K(a);P_SPINP(b),S_FLIGHT::QAB1(F)
- P(b);N_GUARD,XS(B)::QAB(F)
- Refutation
- P(b);
- Try
- Actual
- K(H);P-FLIGHT
- Vars
- K(a);S_FLIGHT::QAB1(F)
- P(b);N_GUARD,XS(B)::QAB(F)
- P(b);SBLOCK::B(I)
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).