MESON Chess Problem Database
Problem Display
PID: 244681 (8/Q7/8/8/1N6/2p1K3/b7/3k4 w - - 0 1)
Chernyavsky, Mykola Vasilovich
Pravda, 2018
#2
3 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb3
- 2.Qa1#
- 1...Bc4
- 2.Qa1#
- 1...Bd5
- 2.Qa1#
- 1...Be6
- 2.Qa1#
- 1...Bf7
- 2.Qa1#
- 1...Bg8
- 2.Qa1#
- 1...Bb3
- Tries
- 1.Qxa2?
- threat
- 2.Qb1#
- 2.Qa1#
- 1...Kc1
- 2.Qa1#
- 2.Qc2#
- 1...Ke1
- 2.Qb1#
- 2.Qa1#
- 2.Qe2#
- 1...c2!
- threat
- 1.Qa6?
- threat
- 2.Qf1#
- 1...Ke1
- 2.Qe2#
- 1...Bc4
- 2.Qa1#
- 1...Kc1!
- threat
- 1.Qa8?
- threat
- 2.Qh1#
- 1...Ke1
- 2.Qh1#
- 1...Bc4
- 2.Qa1#
- 1...Bd5
- 2.Qa1#
- 1...Kc1!
- threat
- 1.Qxa2?
- Keys
- 1.Qh7!
- threat
- 2.Qh1#
- 1...Kc1
- 2.Qc2#
- 1...Ke1
- 2.Qh1#
- 1...Bc4
- 2.Qb1#
- 1...Bd5
- 2.Qb1#
- threat
- 1.Qh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- B(b);OGATE::QAR(C)
- Tries
- Try
- Q(C);XB(b)
- Threat
- DUALS(2)
- Refutation
- P(c);
- Try
- Q(C);
- Threat
- QAR2(C)
- Vars
- K(a);P-FLIGHT::QAR1(C)
- B(b);OGATE::QAR(C)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- K(a);P-FLIGHT::QAR(C)
- B(b);OGATE::QAR(C)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- Q(C);
- Threat
- QAR(C)
- Vars
- K(a);P-FLIGHT::QAR1(C)
- K(a);P-FLIGHT::QAR(C)
- B(b);N_GUARD::QAR2(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).