MESON Chess Problem Database
Problem Display
PID: 241921 (k1K5/8/nPp5/Q1n5/8/8/8/8 w - - 0 1)
Szentgyorgy, Erno
Magyar Sakkvilag, 1933
#2
3 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Qxa6#
- 1...Sd3
- 2.Qxa6#
- 1...Sa4
- 2.Qxa6#
- 1...Se4
- 2.Qxa6#
- 1...Se6
- 2.Qxa6#
- 1...Sb7
- 2.Qxa6#
- 1...Sd7
- 2.Qxa6#
- 1...Sb3
- Tries
- 1.Qa1?
- 1...Sb3
- 2.Qxa6#
- 1...Sd3
- 2.Qxa6#
- 1...Se4
- 2.Qxa6#
- 1...Se6
- 2.Qxa6#
- 1...Sb7
- 2.Qxa6#
- 1...Sd7
- 2.Qxa6#
- 1...Sa4!
- 1...Sb3
- 1.Qa2?
- 1...Sb3
- 2.Qxa6#
- 1...Sd3
- 2.Qxa6#
- 1...Se4
- 2.Qxa6#
- 1...Se6
- 2.Qxa6#
- 1...Sb7
- 2.Qxa6#
- 1...Sd7
- 2.Qxa6#
- 1...Sa4!
- 1...Sb3
- 1.Qa3?
- 1...Sb3
- 2.Qxa6#
- 1...Sd3
- 2.Qxa6#
- 1...Se4
- 2.Qxa6#
- 1...Se6
- 2.Qxa6#
- 1...Sb7
- 2.Qxa6#
- 1...Sd7
- 2.Qxa6#
- 1...Sa4!
- 1...Sb3
- 1.Qa4?
- 1...Sb3
- 2.Qxc6#
- 2.Qxa6#
- 1...Sd3
- 2.Qxc6#
- 2.Qxa6#
- 1...Se4
- 2.Qxc6#
- 2.Qxa6#
- 1...Se6
- 2.Qxc6#
- 2.Qxa6#
- 1...Sb7
- 2.Qxa6#
- 1...Sd7
- 2.Qxc6#
- 2.Qxa6#
- 1...Sxa4!
- 1...Sb3
- 1.Qxc5?
- threat
- 2.Qxc6#
- 2.b7#
- 1...Sb4
- 2.b7#
- 1...Sb8
- 2.b7#
- 1...Sxc5!
- threat
- 1.Qa1?
- Keys
- 1.b7+!
- 1...Ka7
- 2.b8Q#
- 1...Sxb7
- 2.Qxa6#
- 1...Ka7
- 1.b7+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- S(a);N_GUARD::QAR2(A),XS(b)
- Tries
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR2(A),XS(b)
- Refutation
- S(a);N_SPINS(b)
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR2(A),XS(b)
- Refutation
- S(a);N_SPINS(b)
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR2(A),XS(b)
- Refutation
- S(a);N_SPINS(b)
- Try
- Q(A);
- Vars
- S(a);N_GUARD::QAR2(A),XS(b)
- Refutation
- S(a);N_SPINS(b),XQ(A)
- Try
- Q(A);N_PINS(b),XS(a)
- Threat
- DUALS(2)
- Vars
- S(b);::P(B)
- Refutation
- S(b);XQ(A)
- Try
- Actual
- P(B);CHECK
- Vars
- K(d);P-FLIGHT::P=Q
- S(a);XP(B)::QAR2(A),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).