MESON Chess Problem Database
Problem Display
PID: 241815 (8/4N1B1/5n2/6k1/5b2/5Q1K/8/8 w - - 0 1)
Szentgyorgy, Erno
Magyar Sakkvilag, 1929
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qf5#
- 1...Bd2
- 2.Qf5#
- 1...Bh2
- 2.Qf5#
- 1...Be3
- 2.Qf5#
- 1...Bg3
- 2.Qf5#
- 1...Be5
- 2.Qf5#
- 1...Bd6
- 2.Qf5#
- 1...Bc7
- 2.Qf5#
- 1...Bb8
- 2.Qf5#
- 1...Se4
- 2.Qg4#
- 1...Sg4
- 2.Qxg4#
- 1...Sd5
- 2.Qg4#
- 1...Sh5
- 2.Qg4#
- 1...Sd7
- 2.Qg4#
- 1...Sh7
- 2.Qg4#
- 1...Se8
- 2.Qg4#
- 1...Sg8
- 2.Qg4#
- 1...Bc1
- Tries
- 1.Qg2+?
- 1...Kh5
- 2.Qg6#
- 1...Sg4
- 2.Qxg4#
- 1...Bg3!
- 1...Kh5
- 1.Qe4?
- threat
- 2.Qf5#
- 2.Qg6#
- 1...Kh5
- 2.Qg6#
- 1...Bc1
- 2.Qf5#
- 2.Qh4#
- 2.Qe5#
- 1...Bd2
- 2.Qf5#
- 2.Qh4#
- 2.Qe5#
- 1...Bh2
- 2.Qf5#
- 2.Qh4#
- 1...Be3
- 2.Qf5#
- 2.Qh4#
- 2.Qe5#
- 1...Bg3
- 2.Qf5#
- 1...Be5
- 2.Qf5#
- 2.Qh4#
- 2.Qxe5#
- 1...Bd6
- 2.Qf5#
- 2.Qh4#
- 1...Bc7
- 2.Qf5#
- 2.Qh4#
- 1...Bb8
- 2.Qf5#
- 2.Qh4#
- 1...Sxe4!
- threat
- 1.Qd5+?
- 1...Be5
- 2.Qxe5#
- 1...Sxd5!
- 1...Be5
- 1.Qd3?
- threat
- 2.Qf5#
- 2.Qg6#
- 1...Kh5
- 2.Qg6#
- 1...Bc1
- 2.Qf5#
- 1...Bd2
- 2.Qf5#
- 1...Bh2
- 2.Qf5#
- 1...Be3
- 2.Qf5#
- 1...Bg3
- 2.Qf5#
- 1...Be5
- 2.Qf5#
- 1...Bd6
- 2.Qf5#
- 1...Bc7
- 2.Qf5#
- 1...Bb8
- 2.Qf5#
- 1...Se4!
- threat
- 1.Qg3+?
- 1...Kh5
- 2.Qh4#
- 2.Qg6#
- 1...Sg4
- 2.Qh4#
- 2.Qxg4#
- 1...Bxg3!
- 1...Kh5
- 1.Qxf4+?
- 1...Kh5
- 2.Qe5#
- 2.Qh6#
- 2.Qh4#
- 2.Qf5#
- 1...Kxf4!
- 1...Kh5
- 1.Qg2+?
- Keys
- 1.Qf2!
- threat
- 2.Qh4#
- 1...Kh5
- 2.Qh4#
- 1...Bg3
- 2.Qf5#
- threat
- 1.Qf2!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- B(a);OGATE::QAR1(A)
- S(c);N_GUARD::QAR1(A)
- S(c);N_GUARD::QAR1(A),XS(c)
- Tries
- Try
- Q(A);CHECK
- Vars
- K(b);OGATE,P-FLIGHT::QAB1(A)
- S(c);N_GUARD,P_SPINS(c)::QAR1(A),XS(c)
- Refutation
- B(a);P_SPINB(a)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAB1(A)
- B(a);::QAR1(A)
- Refutation
- S(c);XQ(A)
- Try
- Q(A);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAR2(A),XB(a)
- Refutation
- S(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAB1(A)
- B(a);::QAR1(A)
- Refutation
- S(c);
- Try
- Q(A);CHECK
- Refutation
- B(a);XQ(A)
- Try
- Q(A);CHECK,XB(a)
- Refutation
- K(b);S_FLIGHT,XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAB1(A)
- Vars
- K(b);P-FLIGHT::QAR1(A)
- B(a);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).