MESON Chess Problem Database
Problem Display
PID: 75079 (8/8/5n2/8/k3n2Q/1R6/2K5/8 w - - 0 1)
Chepizhni, Viktor Ivanovich
Sp. Prize, Shakhmaty v SSSR, 1990
#2
3 + 3
| 6167 | Viktor Chepizhny | 2007 |
SOLUTION
- SOUND
- Tries
- 1.Qe1?
- threat
- 2.Qb4#
- 2.Qa1#
- 1...Sd2
- 2.Qa1#
- 1...Sd5
- 2.Qa1#
- 1...Sc3!
- threat
- 1.Qxf6?
- threat
- 2.Qa1#
- 2.Qa6#
- 1...Ka5
- 2.Qa1#
- 1...Sc3
- 2.Qa6#
- 1...Sc5
- 2.Qa1#
- 1...Sd6
- 2.Qa1#
- 1...Sxf6!
- threat
- 1.Qxe4+?
- 1...Ka5
- 2.Qa8#
- 1...Sxe4!
- 1...Ka5
- 1.Qh8?
- threat
- 2.Qa8#
- 1...Ka5
- 2.Qa8#
- 1...Se8
- 2.Qa1#
- 1...Sg8
- 2.Qa1#
- 1...Sc5!
- threat
- 1.Qe1?
- Keys
- 1.Qh1!
- threat
- 2.Qa1#
- 1...Ka5
- 2.Qa1#
- 1...Sc3
- 2.Qa8#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(C);N_PINS(b)
- Threat
- DUALS(2)
- Vars
- S(b);::QAR(C)
- S(c);::QAR(C)
- Refutation
- S(b);
- Try
- Q(C);N_PINS(b),XS(c)
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT::QAR(C)
- S(b);::QAR2(C)
- S(b);::QAR(C)
- Refutation
- S(b);XQ(C)
- Try
- Q(C);CHECK,XS(b)
- Vars
- K(a);P-FLIGHT::QAR(C)
- Refutation
- S(c);XQ(C)
- Try
- Q(C);N_PINS(b)
- Threat
- QAR(C)
- Vars
- K(a);P-FLIGHT::QAR(C)
- S(c);OGATE::QAR(C)
- Refutation
- S(b);
- Try
- Actual
- Q(C);N_PINS(b)
- Threat
- QAR(C)
- Vars
- K(a);P-FLIGHT::QAR(C)
- S(b);OGATE::QAR(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).