MESON Chess Problem Database
Problem Display
PID: 241956 (1N1nQ3/8/2p5/1k6/2N5/1K6/8/8 w - - 0 1)
Szentgyorgy, Erno
Magyar Sakkvilag, 1933
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Qe5#
- 1...Se6
- 2.Qxc6#
- 1...Sb7
- 2.Qxc6#
- 1...Sf7
- 2.Qxc6#
- 1...Kc5
- Tries
- 1.Kc3?
- 1...Kc5
- 2.Qh5#
- 2.Qe5#
- 1...Se6
- 2.Qxc6#
- 1...Sb7
- 2.Qxc6#
- 1...Sf7
- 2.Qxc6#
- 1...Ka4!
- 1...Kc5
- 1.Qd7?
- 1...Se6
- 2.Qxc6#
- 1...Sb7
- 2.Qxc6#
- 1...Sf7
- 2.Qxc6#
- 1...Kc5!
- 1...Se6
- 1.Qe4?
- 1...Kc5
- 2.Qe5#
- 1...Se6
- 2.Qxc6#
- 1...Sb7
- 2.Qxc6#
- 1...Sf7
- 2.Qxc6#
- 1...c5!
- 1...Kc5
- 1.Qe6?
- 1...Kc5
- 2.Qe5#
- 1...c5
- 2.Qa6#
- 2.Qb6#
- 1...Sb7
- 2.Qxc6#
- 1...Sf7
- 2.Qxc6#
- 1...Sxe6!
- 1...Kc5
- 1.Kc3?
- Keys
- 1.Qe1!
- threat
- 2.Qb4#
- 2.Qa5#
- 1...Kc5
- 2.Qe5#
- 1...Sb7
- 2.Qb4#
- 1...c5
- 2.Qa5#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- K(a);N_SPINP(b),P-FLIGHT::QAR2(D)
- S(c);N_GUARD::QAB1(D),XP(b)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(c);N_GUARD::QAB1(D),XP(b)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);
- Vars
- S(c);N_GUARD::QAB1(D),XP(b)
- Refutation
- K(a);N_SPINP(b),P-FLIGHT
- Try
- Q(D);N_PINP(b)
- Vars
- K(a);P-FLIGHT::QAR2(D)
- S(c);N_GUARD::QAB1(D),XP(b)
- Refutation
- P(b);
- Try
- Q(D);N_PINP(b)
- Vars
- K(a);P-FLIGHT::QAR2(D)
- S(c);N_GUARD::QAB1(D),XP(b)
- Refutation
- S(c);XQ(D)
- Try
- Actual
- Q(D);N_PINP(b)
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT::QAR2(D)
- S(c);::QAR1(D)
- P(b);SBLOCK::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).