MESON Chess Problem Database
Problem Display
PID: 140218 (1rR4N/3p1K2/nP1k1p2/N5B1/2PpBP2/8/8/2q5 w - - 0 1)
Jurco, Jan
Probleemblad, 1975
#2
9 + 7
| 102 | Probleemblad | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Qxf4
- 2.Bxf4#
- 1...Qxc4+
- 2.Sxc4#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 1...Rxc8
- 2.Sb7#
- 1...f5
- 2.Be7#
- 1...Qxf4
- Tries
- 1.Kxf6?
- threat
- 2.Sf7#
- 1...Qxf4+
- 2.Bxf4#
- 1...Qxc4
- 2.Sxc4#
- 1...Rxc8
- 2.Sb7#
- 1...Sc7!
- threat
- 1.Bxf6?
- threat
- 2.Be5#
- 2.Be7#
- 1...Qxc4+
- 2.Sxc4#
- 1...Rxc8
- 2.Sb7#
- 2.Be7#
- 1...Sc7
- 2.Be7#
- 1...Qxf4!
- threat
- 1.Kxf6?
- Keys
- 1.Bh6!
- threat
- 2.Bf8#
- 1...Qxc4+
- 2.Sxc4#
- 1...Qxf4
- 2.Bxf4#
- 1...Rxc8
- 2.Sb7#
- threat
- 1.Bh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(a);OGATE,XP(C)::B(E),XQ(a)
- Q(a);CHECK,XP(A)::S(D),XQ(a)
- R(g);N_GUARD::S(D),XR(g)
- R(g);N_GUARD::S(D)
- R(g);N_GUARD,XR(H)::S(D)
- P(e);OGATE::B(E)
- Tries
- Try
- K(G);P-FLIGHT,XP(e)
- Threat
- S(I)
- Vars
- Q(a);CHECK,OGATE,XP(C)::B(E),XQ(a)
- Q(a);XP(A)::S(D),XQ(a)
- R(g);N_GUARD,XR(H)::S(D)
- Refutation
- S(c);
- Try
- B(E);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,XP(A)::S(D),XQ(a)
- S(c);::B(E)
- Refutation
- Q(a);P_PINB(E),XP(C)
- Try
- Actual
- B(E);
- Threat
- B(E)
- Vars
- Q(a);CHECK,XP(A)::S(D),XQ(a)
- Q(a);OGATE,XP(C)::B(E),XQ(a)
- R(g);N_GUARD,XR(H)::S(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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