MESON Chess Problem Database
Problem Display
PID: 227860 (8/8/5n1R/6k1/8/5K1Q/8/8 w - - 0 1)
Ballo, Gyorgy
Schiffert, Gyorgy
Magyar Sakkvilag, 1926
#2
3 + 2
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Se4
- 2.Qh5#
- 1...Sg4
- 2.Qh5#
- 1...Sd5
- 2.Qh5#
- 1...Sh5
- 2.Qxh5#
- 1...Sd7
- 2.Qh5#
- 1...Sh7
- 2.Qh5#
- 1...Se8
- 2.Qh5#
- 1...Sg8
- 2.Qh5#
- 1...Se4
- Tries
- 1.Kg3?
- 1...Sh5+
- 2.Qxh5#
- 1...Sg4
- 2.Qh5#
- 1...Sd5
- 2.Qh5#
- 1...Sd7
- 2.Qh5#
- 1...Sh7
- 2.Qh5#
- 1...Se8
- 2.Qh5#
- 1...Sg8
- 2.Qh5#
- 1...Se4+!
- 1...Sh5+
- 1.Qh1?
- 1...Sh5
- 2.Qxh5#
- 1...Se4
- 2.Qh5#
- 1...Sg4
- 2.Qh5#
- 1...Sd5
- 2.Qh5#
- 1...Sd7
- 2.Qh5#
- 1...Sh7
- 2.Qh5#
- 1...Se8
- 2.Qh5#
- 1...Sg8
- 2.Qh5#
- 1...Kf5!
- 1...Sh5
- 1.Qh2?
- threat
- 2.Qf4#
- 1...Sh5
- 2.Qxh5#
- 1...Sd5
- 2.Qh5#
- 1...Kf5!
- threat
- 1.Kg3?
- Keys
- 1.Qh4+!
- 1...Kf5
- 2.Qxf6#
- 1...Kf5
- 1.Qh4+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- S(b);N_GUARD::QAR1(B)
- S(b);N_GUARD::QAR1(B),XS(b)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(b);CHECK,N_GUARD::QAR1(B),XS(b)
- S(b);N_GUARD::QAR1(B)
- Refutation
- S(b);CHECK
- Try
- Q(B);
- Vars
- S(b);N_GUARD::QAR1(B),XS(b)
- S(b);N_GUARD::QAR1(B)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- S(b);N_GUARD::QAR1(B),XS(b)
- S(b);N_GUARD::QAR1(B)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- Q(B);CHECK
- Vars
- K(a);OGATE,P-FLIGHT::QAR1(B),XS(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).