MESON Chess Problem Database
Problem Display
PID: 242102 (8/8/8/5Q2/5nB1/2B1k3/8/5K2 w - - 0 1)
Zilahi, Zoltan
Magyar Sakkvilag, 1928
#2
4 + 2
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Qf3#
- 1...Sg2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...Sh3
- 2.Qf3#
- 1...Sd5
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sg6
- 2.Qf3#
- 1...Se2
- Tries
- 1.Bd1?
- 1...Sg2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...Sh3
- 2.Qf3#
- 1...Sd5
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sg6
- 2.Qf3#
- 1...Se2!
- 1...Sg2
- 1.Be2?
- threat
- 2.Qe5#
- 1...Sd3
- 2.Qf3#
- 1...Sg6
- 2.Qf3#
- 1...Sxe2!
- threat
- 1.Bh5?
- 1...Se2
- 2.Qf3#
- 1...Sg2
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 1...Sh3
- 2.Qf3#
- 1...Sd5
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Sg6
- 2.Qf3#
- 1...Sxh5!
- 1...Se2
- 1.Qd5?
- threat
- 2.Bd2#
- 2.Qf3#
- 2.Qd4#
- 1...Se2
- 2.Bd2#
- 2.Qf3#
- 1...Sd3
- 2.Qf3#
- 2.Qd4#
- 1...Se6
- 2.Bd2#
- 2.Qf3#
- 1...Sxd5!
- threat
- 1.Qf6?
- threat
- 2.Qd4#
- 1...Ke4
- 2.Qd4#
- 1...Se2
- 2.Qf3#
- 1...Se6
- 2.Qf3#
- 1...Kd3!
- threat
- 1.Bd1?
- Keys
- 1.Qc5+!
- 1...Kd3
- 2.Bf5#
- 1...Ke4
- 2.Qd4#
- 1...Kd3
- 1.Qc5+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- S(b);OGATE::QAR1(D)
- S(b);OGATE,SBLOCK::QAR1(D)
- Tries
- Try
- B(C);
- Vars
- S(b);OGATE::QAR1(D)
- S(b);OGATE,SBLOCK::QAR1(D)
- Refutation
- S(b);
- Try
- B(C);
- Threat
- QAR2(D)
- Vars
- S(b);OGATE::QAR1(D)
- Refutation
- S(b);XB(C)
- Try
- B(C);
- Vars
- S(b);OGATE::QAR1(D)
- S(b);OGATE,SBLOCK::QAR1(D)
- Refutation
- S(b);XB(C)
- Try
- Q(D);
- Threat
- DUALS(3)
- Refutation
- S(b);XQ(D)
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- K(a);P-FLIGHT::QAR1(D)
- S(b);OGATE::QAR1(D)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- Q(D);CHECK
- Vars
- K(a);P-FLIGHT::B(C)
- K(a);P-FLIGHT::QAR1(D)
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).