MESON Chess Problem Database
Problem Display
PID: 241322 (2KR4/3P4/Q1Nk4/1p3rR1/2b2P2/2Pp3q/B7/2r5 w - - 0 1)
Gavrilov, Constantin Grigorievich
Revista Romana de Sah, 1929
#2
9 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Sb4+?
- 1...Kc5
- 2.Qc6#
- 1...Ke7!
- 1...Kc5
- 1.Sd4+?
- 1...Kc5
- 2.Qc6#
- 1...Kd5
- 2.Qc6#
- 1...Ke7!
- 1...Kc5
- 1.Sa5+?
- 1...Kc5
- 2.Qc6#
- 1...Kd5
- 2.Qc6#
- 1...Ke7!
- 1...Kc5
- 1.Sa7+?
- 1...Kc5
- 2.Qc6#
- 1...Kd5
- 2.Qc6#
- 1...Ke7!
- 1...Kc5
- 1.Se7+?
- 1...Kc5
- 2.Qc6#
- 1...Kxe7!
- 1...Kc5
- 1.Sb8+?
- 1...Kc5
- 2.Qc6#
- 1...Kd5
- 2.Qc6#
- 1...Ke7!
- 1...Kc5
- 1.Sb4+?
- Keys
- 1.Se5+!
- 1...Kc5
- 2.Qc6#
- 1...Kd5
- 2.Qc6#
- 1...Ke7
- 2.Re8#
- 1...Kc5
- 1.Se5+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);CHECK
- Vars
- K(g);P_SPINR(f),S_FLIGHT::QAR1(E)
- Refutation
- K(g);S_FLIGHT
- Try
- S(F);CHECK
- Vars
- K(g);P_SPINR(f),S_FLIGHT::QAR1(E)
- K(g);P-FLIGHT,P_SPINB(d),P_SPINR(f)::QAB1(E)
- Refutation
- K(g);S_FLIGHT
- Try
- S(F);CHECK
- Vars
- K(g);P_SPINR(f),S_FLIGHT::QAR1(E)
- K(g);P-FLIGHT,P_SPINB(d),P_SPINR(f)::QAB1(E)
- Refutation
- K(g);S_FLIGHT
- Try
- S(F);CHECK
- Vars
- K(g);P_SPINR(f),S_FLIGHT::QAR1(E)
- K(g);P-FLIGHT,P_SPINB(d),P_SPINR(f)::QAB1(E)
- Refutation
- K(g);S_FLIGHT
- Try
- S(F);CHECK
- Vars
- K(g);P_SPINR(f),S_FLIGHT::QAR1(E)
- Refutation
- K(g);S_FLIGHT,XS(F)
- Try
- S(F);CHECK
- Vars
- K(g);P_SPINR(f),S_FLIGHT::QAR1(E)
- K(g);P-FLIGHT,P_SPINB(d),P_SPINR(f)::QAB1(E)
- Refutation
- K(g);S_FLIGHT
- Try
- Actual
- S(F);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(E)
- K(g);P-FLIGHT,P_SPINB(d)::QAB1(E)
- K(g);S_FLIGHT::R1(I)
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).