MESON Chess Problem Database
Problem Display
PID: 232958 (8/8/2p5/8/1pp5/1k6/R7/2K4Q w - - 0 1)
Grassano, Carlos A
Kudesnik, 2017
#2
3 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Qg2?
- threat
- 2.Qb2#
- 2.Qc2#
- 1...c3
- 2.Qg8#
- 1...Kc3!
- threat
- 1.Qf3+?
- 1...c3
- 2.Qf7#
- 1...Kxa2!
- 1...c3
- 1.Qe4?
- threat
- 2.Qc2#
- 1...Kc3
- 2.Qe3#
- 1...c3
- 2.Qe6#
- 1...Kxa2!
- threat
- 1.Qxc6?
- 1...Kxa2
- 2.Qa4#
- 1...c3
- 2.Qd5#
- 2.Qe6#
- 1...Kc3!
- 1...Kxa2
- 1.Qd1+?
- 1...Kxa2
- 2.Qa4#
- 1...Kc3!
- 1...Kxa2
- 1.Qh3+?
- 1...c3
- 2.Qe6#
- 1...Kxa2!
- 1...c3
- 1.Qg2?
- Keys
- 1.Qh8!
- threat
- 2.Qb2#
- 1...Kxa2
- 2.Qb2#
- 1...c3
- 2.Qg8#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- P(c);OGATEB,SBLOCK::QAB(B)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(B);CHECK
- Vars
- P(c);OGATEB,P_SPINP(c),SBLOCK::QAB(B)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(a);P-FLIGHT::QAR2(B)
- P(c);OGATEB,SBLOCK::QAB(B)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- Q(B);XP(d)
- Vars
- K(a);S_FLIGHT,XR(C)::QAR2(B)
- Refutation
- K(a);P-FLIGHT,P_SPINP(c)
- Try
- Q(B);CHECK
- Vars
- K(a);OGATE,S_FLIGHT,XR(C)::QAR2(B)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(B);CHECK
- Vars
- P(c);OGATEB,P_SPINP(c),SBLOCK::QAB(B)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- Actual
- Q(B);
- Threat
- QAR1(B)
- Vars
- K(a);S_FLIGHT,XR(C)::QAR1(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).