MESON Chess Problem Database
Problem Display
PID: 45515 (1B6/4p2K/3rP3/8/p2PP3/Qp4pp/3RNP1k/2R4B w - - 0 1)
Hirschenson, Aaron
1st HM., Probleemblad, 1976
#2
11 + 7
| 3841 | The Art of Israeli Chess Composition | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Bxg3#
- 1...Rd5
- 2.Bxg3#
- 1...Ra6
- 2.Bxg3#
- 1...Rb6
- 2.Bxg3#
- 1...Rc6
- 2.Bxg3#
- 1...Rxe6
- 2.Bxg3#
- 1...Rd7
- 2.Bxg3#
- 1...Rd8
- 2.Bxg3#
- 1...b2
- 2.Qxg3#
- 1...Rxd4
- Tries
- 1.Sxg3?
- 1...Rxe6
- 2.f3#
- 1...Rd5
- 2.f3#
- 1...Ra6
- 2.f3#
- 1...Rb6
- 2.f3#
- 1...Rc6
- 2.f3#
- 1...Rd7
- 2.f3#
- 1...Rd8
- 2.f3#
- 1...b2
- 2.f4#
- 1...Rxd4!
- 1...Rxe6
- 1.Qxb3?
- threat
- 2.Qxg3#
- 1...gxf2
- 2.Qg3#
- 1...g2
- 2.Qg3#
- 1...axb3!
- threat
- 1.Sxg3?
- Keys
- 1.fxg3!
- 1...Rxd4
- 2.Sxd4#
- 1...Rxe6
- 2.Sc3#
- 1...Rd5
- 2.Sc3#
- 1...Ra6
- 2.Sc3#
- 1...Rb6
- 2.Sc3#
- 1...Rc6
- 2.Sc3#
- 1...Rd7
- 2.Sc3#
- 1...Rd8
- 2.Sc3#
- 1...b2
- 2.Sf4#
- 1...Rxd4
- 1.fxg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);OGATE,P_SPINP(c),XP(G)::B(K),XP(c)
- R(f);OGATE,P_SPINP(c)::B(K),XP(c)
- R(f);OGATE,P_SPINP(c),XP(I)::B(K),XP(c)
- P(b);OGATE::QAB1(F),XP(c)
- Tries
- Try
- S(D);XP(c)
- Vars
- R(f);XP(I)::R(C)+P(E)
- R(f);::R(C)+P(E)
- P(b);::R(C)+P(E)
- Refutation
- R(f);XP(G)
- Try
- Q(F);XP(b)
- Threat
- QAB1(F),XP(c)
- Vars
- P(c);P_SPINR(f),XP(E)::QAB1(F)
- P(c);P_SPINR(f)::QAB1(F)
- Refutation
- P(e);XQ(F)
- Try
- Actual
- P(E);XP(c)
- Vars
- R(f);XP(G)::R(C)+S(D),XR(f)
- R(f);XP(I)::R(C)+S(D)
- R(f);::R(C)+S(D)
- P(b);::R(C)+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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