MESON Chess Problem Database
Problem Display
PID: 215659 (8/1Q6/8/8/2pp4/2p5/p7/k1K5 w - - 0 1)
Kashcheev, Niktopolion Pavlovich
Land og Folk, 1974
#2
2 + 5
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...c2
- 2.Qb2#
- 1...c2
- Tries
- 1.Qh1?
- threat
- 2.Kc2#
- 1...c2
- 2.Kxc2#
- 1...d3!
- threat
- 1.Qb3?
- 1...d3
- 2.Qxc3#
- 1...c2
- 2.Qb2#
- 1...cxb3!
- 1...d3
- 1.Qb5?
- 1...c2
- 2.Qb2#
- 1...d3!
- 1...c2
- 1.Qb6?
- 1...c2
- 2.Qb2#
- 1...d3!
- 1...c2
- 1.Qg7?
- 1...d3
- 2.Qxc3#
- 1...c2!
- 1...d3
- 1.Qb8?
- 1...c2
- 2.Qb2#
- 1...d3!
- 1...c2
- 1.Qh1?
- Keys
- 1.Qb4!
- 1...d3
- 2.Qxc3#
- 1...c2
- 2.Qb2#
- 1...d3
- 1.Qb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(c);N_GUARD::QAB1(B)
- Tries
- Try
- Q(B);
- Threat
- QAR(B)+K(A)
- Vars
- P(c);::QAR(B)+K(A),XP(c)
- Refutation
- P(e);
- Try
- Q(B);
- Vars
- P(e);N_GUARD::QAB(B),XP(c)
- P(c);N_GUARD::QAB1(B)
- Refutation
- P(d);XQ(B)
- Try
- Q(B);
- Vars
- P(c);N_GUARD::QAB1(B)
- Refutation
- P(e);
- Try
- Q(B);
- Vars
- P(c);N_GUARD::QAB1(B)
- Refutation
- P(e);
- Try
- Q(B);
- Vars
- P(e);OGATE,P_SPINP(c)::QAB(B),XP(c)
- Refutation
- P(c);P_SPINP(e)
- Try
- Q(B);
- Vars
- P(c);N_GUARD::QAB1(B)
- Refutation
- P(e);
- Try
- Actual
- Q(B);
- Vars
- P(e);N_GUARD::QAB(B),XP(c)
- P(c);N_GUARD::QAB1(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).