MESON Chess Problem Database
Problem Display
PID: 242617 (8/8/8/3p3B/2P5/R2Pk3/pQ1N2p1/Bn4K1 w - - 0 1)
Casa, Alex
The Problemist, 2001
#2
8 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Qe5#
- 1...Sxd2
- 2.Qd4#
- 1...Kf4
- Tries
- 1.Sf3?
- threat
- 2.Qe5#
- 1...Kf4
- 2.Qe5#
- 1...Sxa3
- 2.Qd2#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3
- 2.Qd2#
- 1...d4!
- threat
- 1.Se4?
- threat
- 2.Qf2#
- 1...Kf4
- 2.Qf2#
- 1...Sxa3
- 2.Qd2#
- 1...Sd2
- 2.Qxd2#
- 1...Sc3!
- threat
- 1.Rxa2?
- threat
- 2.Qd4#
- 1...Kxd3
- 2.Qd4#
- 1...Kf4
- 2.Qe5#
- 1...d4
- 2.Qxd4#
- 1...Sc3!
- threat
- 1.Sf3?
- Keys
- 1.Sb3!
- threat
- 2.Qd4#
- 1...Kxd3
- 2.Qe2#
- 1...Kf4
- 2.Qe5#
- 1...Sc3
- 2.Qd2#
- 1...d4
- 2.Qxd4#
- threat
- 1.Sb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(d);S_FLIGHT::QAB1(C)
- S(a);SBLOCK,XS(D)::QAB1(C)
- Tries
- Try
- S(D);
- Threat
- QAR2(C)
- Vars
- K(d);S_FLIGHT::QAB1(C)
- S(a);N_GUARD,XR(E)::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- S(a);N_GUARD::QAB1(C)
- Refutation
- P(e);
- Try
- S(D);
- Threat
- QAB1(C)
- Vars
- K(d);S_FLIGHT::QAR2(C)
- S(a);N_GUARD,XR(E)::QAB1(C)
- S(a);N_GUARD::QAB1(C),XS(a)
- Refutation
- S(a);
- Try
- R(E);XP(b)
- Threat
- QAB1(C)
- Vars
- K(d);P-FLIGHT,XP(F)::QAR1(C)
- K(d);S_FLIGHT::QAB1(C)
- P(e);::QAB1(C),XP(e)
- Refutation
- S(a);
- Try
- Actual
- S(D);
- Threat
- QAB1(C)
- Vars
- K(d);P-FLIGHT,XP(F)::QAB1(C)
- K(d);S_FLIGHT::QAB1(C)
- S(a);N_GUARD::QAB1(C)
- P(e);::QAB1(C),XP(e)
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).