MESON Chess Problem Database
Problem Display
PID: 101654 (4B3/3n4/3p3R/NpP3p1/1k6/Rpp3Q1/8/2B1K3 w - - 0 1)
Onkoud, Abdelaziz
diagrammes, 2003
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxc5
- 2.Qxd6#
- 1...b2
- 2.Qxc3#
- 1...Kxc5
- Tries
- 1.Bb2?
- threat
- 2.Qxc3#
- 1...Kxc5
- 2.Qxd6#
- 1...c2
- 2.Qc3#
- 1...cxb2!
- threat
- 1.Rh3?
- threat
- 2.Qxc3#
- 1...c2
- 2.Qc3#
- 1...Kxc5!
- threat
- 1.Qf4+?
- 1...Kxc5
- 2.Qxd6#
- 1...gxf4!
- 1...Kxc5
- 1.Qxd6?
- threat
- 2.Qd4#
- 1...Se5
- 2.c6#
- 1...Sb6
- 2.cxb6#
- 2.c6#
- 1...b2!
- threat
- 1.Bb2?
- Keys
- 1.Qd3!
- threat
- 2.Qd4#
- 1...Kxc5
- 2.Qxd6#
- 1...dxc5
- 2.Sc6#
- 1...b2
- 2.Qxc3#
- 1...Se5
- 2.Qxb5#
- 1...Sb6
- 2.Qxb5#
- threat
- 1.Qd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(D),XP(f)
- P(a);::QAB1(D),XP(b)
- Tries
- Try
- B(A);
- Threat
- QAB1(D),XP(b)
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(D),XP(f)
- P(b);::QAB1(D)
- Refutation
- P(b);XB(A)
- Try
- R(G);
- Threat
- QAB1(D),XP(b)
- Vars
- P(b);::QAB1(D)
- Refutation
- K(c);S_FLIGHT,XP(F)
- Try
- Q(D);CHECK
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(D),XP(f)
- Refutation
- P(e);XQ(D)
- Try
- Q(D);XP(f)
- Threat
- QAR2(D)
- Vars
- S(g);N_GUARD::QAB(D)+P(F)
- Refutation
- P(a);
- Try
- Actual
- Q(D);
- Threat
- QAR2(D)
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::QAB1(D),XP(f)
- P(f);SBLOCK,XP(F)::S(E)
- P(a);::QAB1(D),XP(b)
- S(g);::QAR1(D),XP(d)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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