MESON Chess Problem Database
Problem Display
PID: 246069 (8/8/8/7p/8/8/2Q2Kb1/7k w - - 0 1)
Zinoviev, Nikolai
Sa ogneupory, 1988
#2
2 + 3
| 5454 | Near Snap | 2021 |
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Kg3?
- threat
- 2.Qxg2#
- 1...Kg1
- 2.Qxg2#
- 1...Bf1
- 2.Qh2#
- 1...Bf3
- 2.Qh2#
- 1...Bh3
- 2.Qh2#
- 1...Be4
- 2.Qd1#
- 2.Qc1#
- 2.Qh2#
- 1...Bd5
- 2.Qb1#
- 2.Qd1#
- 2.Qc1#
- 2.Qh2#
- 1...Bc6
- 2.Qb1#
- 2.Qd1#
- 2.Qc1#
- 2.Qh2#
- 1...Bb7
- 2.Qb1#
- 2.Qd1#
- 2.Qc1#
- 2.Qh2#
- 1...Ba8
- 2.Qb1#
- 2.Qd1#
- 2.Qc1#
- 2.Qh2#
- 1...h4+!
- threat
- 1.Qe4?
- threat
- 2.Qxg2#
- 1...Kh2
- 2.Qxg2#
- 1...Bf3
- 2.Qh4#
- 1...Bxe4!
- threat
- 1.Kg3?
- Keys
- 1.Qg6!
- threat
- 2.Qxg2#
- 1...Kh2
- 2.Qxg2#
- 1...Bf1
- 2.Qg1#
- 1...Bf3
- 2.Qg1#
- 1...Bh3
- 2.Qg1#
- 1...Be4
- 2.Qxh5#
- 2.Qg1#
- 1...Bd5
- 2.Qxh5#
- 2.Qg1#
- 1...Bc6
- 2.Qxh5#
- 2.Qg1#
- 1...Bb7
- 2.Qxh5#
- 2.Qg1#
- 1...Ba8
- 2.Qxh5#
- 2.Qg1#
- threat
- 1.Qg6!
Anticipated by 229389(1987)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- QAB1(A),XB(b)
- Vars
- K(a);P-FLIGHT::QAR1(A),XB(b)
- B(b);OGATE::QAR1(A)
- Refutation
- P(c);CHECK
- Try
- Q(A);P_PINB(b)
- Threat
- QAB1(A),XB(b)
- Vars
- K(a);N_SPINB(b),P-FLIGHT::QAR1(A),XB(b)
- B(b);N_GUARD::QAR(A)
- Refutation
- B(b);N_SPINB(b),XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAB1(A),XB(b)
- Vars
- K(a);P-FLIGHT::QAR1(A),XB(b)
- B(b);OGATE::QAR1(A)
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).