MESON Chess Problem Database
Problem Display
PID: 241827 (8/8/8/8/N1K5/k1N5/p2p4/3R4 w - - 0 1)
Szentgyorgy, Erno
Magyar Sakkvilag, 1930
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...a1Q
- Tries
- 1.Se2?
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...Kxa4!
- 1...a1Q
- 1.Se4?
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...Kxa4!
- 1...a1Q
- 1.Sd5?
- 1...a1Q
- 2.Rxa1#
- 1...a1S
- 2.Rxa1#
- 1...a1B
- 2.Rxa1#
- 1...a1R
- 2.Rxa1#
- 1...Kxa4!
- 1...a1Q
- 1.Se2?
- Keys
- 1.Ra1!
- threat
- 2.Rxa2#
- threat
- 1.Ra1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- Tries
- Try
- S(B);
- Vars
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- Refutation
- K(c);P-FLIGHT,XS(C)
- Try
- S(B);
- Vars
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- Refutation
- K(c);P-FLIGHT,XS(C)
- Try
- S(B);
- Vars
- P(a);OGATEB::R(A),XQ(a)
- P(a);OGATEB::R(A),XS(a)
- P(a);OGATEB::R(A),XB(a)
- P(a);OGATEB::R(A),XR(a)
- Refutation
- K(c);P-FLIGHT,XS(C)
- Try
- Actual
- R(A);P_PINP(a)
- Threat
- R1(A),XP(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).