MESON Chess Problem Database
Problem Display
PID: 172472 (8/K7/p7/2p5/kN6/3Q4/P7/8 w - - 0 1)
Andreev, Aleksandr Grigorevich
Vesti uga Rossii, 2000
#2
4 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...cxb4
- 2.Qxa6#
- 1...cxb4
- Tries
- 1.Kxa6?
- threat
- 2.Qb3#
- 1...Kxb4
- 2.Qb3#
- 1...c4!
- threat
- 1.Kb6?
- threat
- 2.Qb3#
- 1...Kxb4
- 2.Qb3#
- 1...c4!
- threat
- 1.Sc2?
- threat
- 2.Qxa6#
- 1...Ka5
- 2.Qxa6#
- 1...a5
- 2.Qc4#
- 2.Qb3#
- 2.Qd7#
- 1...c4!
- threat
- 1.Sd5?
- threat
- 2.Qxa6#
- 1...Ka5
- 2.Qxa6#
- 1...a5
- 2.Qb3#
- 1...c4!
- threat
- 1.Sc6?
- threat
- 2.Qxa6#
- 2.Qb3#
- 1...a5
- 2.Qb3#
- 1...c4!
- threat
- 1.Qb3+?
- 1...Ka5
- 2.Sc6#
- 1...Kb5!
- 1...Ka5
- 1.Kxa6?
- Keys
- 1.Qc4!
- 1...Ka3
- 2.Qb3#
- 1...Ka5
- 2.Sc6#
- 1...cxb4
- 2.Qxa6#
- 1...a5
- 2.Sc2#
- 1...Ka3
- 1.Qc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- P(b);SBLOCK,XS(C)::QAR2(B),XP(c)
- Tries
- Try
- K(D);P-FLIGHT,XP(c)
- Threat
- QAB1(B)
- Vars
- K(a);P-FLIGHT,XS(C)::QAR1(B)
- Refutation
- P(b);
- Try
- K(D);S_FLIGHT
- Threat
- QAB1(B)
- Vars
- K(a);P-FLIGHT,XS(C)::QAR1(B)
- Refutation
- P(b);
- Try
- S(C);
- Threat
- QAR2(B),XP(c)
- Vars
- K(a);P-FLIGHT::QAR1(B),XP(c)
- Refutation
- P(b);
- Try
- S(C);
- Threat
- QAR2(B),XP(c)
- Vars
- K(a);P-FLIGHT::QAR1(B),XP(c)
- P(c);SBLOCK::QAB1(B)
- Refutation
- P(b);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(B)
- Refutation
- P(b);
- Try
- Q(B);CHECK
- Vars
- K(a);P-FLIGHT::S(C)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- Q(B);
- Vars
- K(a);P-FLIGHT::QAR1(B)
- K(a);P-FLIGHT::S(C)
- P(b);P_SPINP(b),SBLOCK,XS(C)::QAR2(B),XP(c)
- P(c);SBLOCK::QAR(B)+S(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).