MESON Chess Problem Database
Problem Display
PID: 203352 (6b1/5p2/7R/K2pk3/1P4p1/3Q3p/3NP1N1/b2n4 w - - 0 1)
Marin y Llovet, Valentin
Flores del Ajedrez Espanol, 1924
#2
7 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...g3
- 2.Sf3#
- 1...d4
- 2.Qe4#
- 2.Qb5#
- 1...g3
- Tries
- 1.Qf5+?
- 1...Kd4
- 2.Qf6#
- 1...Kxf5!
- 1...Kd4
- 1.Qg6?
- threat
- 2.Qf6#
- 1...Kd4
- 2.Qf6#
- 1...f6
- 2.Qxf6#
- 1...d4
- 2.Qe4#
- 1...fxg6!
- threat
- 1.Qe3+?
- 1...Kf5
- 2.Sh4#
- 2.Qf4#
- 1...Sxe3!
- 1...Kf5
- 1.Qf3?
- threat
- 2.Qf4#
- 2.Qf6#
- 1...Kd4
- 2.Qf6#
- 1...hxg2
- 2.Qf6#
- 1...f6
- 2.Qxf6#
- 1...d4
- 2.Sc4#
- 2.Qe4#
- 1...f5
- 2.Qf4#
- 1...gxf3!
- threat
- 1.Qg3+?
- 1...Kf5
- 2.Qf4#
- 1...Kd4!
- 1...Kf5
- 1.Qf5+?
- Keys
- 1.Qa6!
- threat
- 2.Qf6#
- 1...Kd4
- 2.Qf6#
- 1...Kf5
- 2.Rh5#
- 1...d4
- 2.Qb5#
- 1...f6
- 2.Qxf6#
- threat
- 1.Qa6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- P(d);N_GUARD::S(A)
- Tries
- Try
- Q(D);CHECK
- Vars
- K(f);S_FLIGHT::QAB(D)
- Refutation
- K(f);P-FLIGHT,XQ(D)
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- K(f);S_FLIGHT::QAB(D)
- P(g);::QAB1(D),XP(g)
- P(e);N_GUARD::QAR1(D)
- Refutation
- P(g);XQ(D)
- Try
- Q(D);CHECK
- Refutation
- S(b);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- K(f);S_FLIGHT::QAB(D)
- P(c);XS(C)::QAB1(D)
- P(g);::QAB1(D),XP(g)
- P(g);::QAB1(D)
- Refutation
- P(d);XQ(D)
- Try
- Q(D);CHECK
- Vars
- K(f);P-FLIGHT::QAR1(D)
- Refutation
- K(f);S_FLIGHT
- Try
- Actual
- Q(D);
- Threat
- QAB1(D)
- Vars
- K(f);S_FLIGHT::QAB(D)
- K(f);P-FLIGHT::R(G)
- P(e);OGATEB,SBLOCK::QAR(D)
- P(g);::QAB1(D),XP(g)
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).