MESON Chess Problem Database
Problem Display
PID: 108479 (2K5/3R1p2/p4N2/2p1k1B1/5N2/3P1p1B/q7/2r5 w - - 0 1)
Jada, Faud Emile
Northwest Chess, 1979
#2
7 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Rd5#
- 1...Qd5
- 2.Rxd5#
- 1...Qa1
- 2.Rd5#
- 1...Qb2
- 2.Rd5#
- 1...Qc2
- 2.Rd5#
- 1...Qd2
- 2.Rd5#
- 1...Qe2
- 2.Rd5#
- 1...Qf2
- 2.Rd5#
- 1...Qg2
- 2.Rd5#
- 1...Qh2
- 2.Rd5#
- 1...Qa3
- 2.Rd5#
- 1...Qa4
- 2.Rd5#
- 1...Qa5
- 2.Rd5#
- 1...Rc4
- 2.Rd5#
- 1...c4
- 2.Rd5#
- 2.d4#
- 1...Qb1
- Tries
- 1.S4h5?
- threat
- 2.Bf4#
- 1...Qd5
- 2.Rxd5#
- 1...Qd2
- 2.Rd5#
- 1...Qh2
- 2.Rd5#
- 1...Qa4
- 2.Rd5#
- 1...Rc4
- 2.Rd5#
- 1...Qc4!
- threat
- 1.S6h5?
- threat
- 2.Bf6#
- 1...f6
- 2.Sg6#
- 2.Bxf6#
- 1...Qe6!
- threat
- 1.S4h5?
- Keys
- 1.S6d5!
- threat
- 2.Bf6#
- 1...Kd4
- 2.Bf6#
- 1...Qxd5
- 2.Rxd5#
- 1...f6
- 2.Bxf6#
- threat
- 1.S6d5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- Q(b);N_GUARD::R1(F)
- Q(b);N_GUARD::R1(F),XQ(b)
- R(a);S_CUTQ(b)::R1(F)
- Tries
- Try
- S(C);
- Threat
- B(D)
- Vars
- Q(b);N_GUARD::R1(F),XQ(b)
- Q(b);N_GUARD::R1(F)
- R(a);S_CUTQ(b)::R1(F)
- Refutation
- Q(b);
- Try
- S(E);
- Threat
- B(D)
- Refutation
- Q(b);P_PINR(F)
- Try
- Actual
- S(E);
- Threat
- B(D)
- Vars
- K(e);S_FLIGHT::B(D)
- Q(b);OGATE,XS(E)::R1(F),XQ(b)
- P(g);::B(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).