MESON Chess Problem Database
Problem Display
PID: 205869 (8/2K5/5P2/3kpQ1p/R1np2nR/3N1p2/5p2/B4B2 w - - 0 1)
Degener, Udo
Troll, 2019
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Rxd4#
- 1...Sa3
- 2.Rxd4#
- 1...Sce3
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sb6
- 2.Rxd4#
- 1...Sd6
- 2.Rxd4#
- 1...Sh2
- 2.Rxd4#
- 1...Sge3
- 2.Rxd4#
- 1...Sxf6
- 2.Rxd4#
- 1...Sh6
- 2.Rxd4#
- 1...Sd2
- Tries
- 1.Bb2?
- 1...Sxf6
- 2.Rxd4#
- 1...Sd2
- 2.Rxd4#
- 1...Sa3
- 2.Rxd4#
- 1...Sce3
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sb6
- 2.Rxd4#
- 1...Sd6
- 2.Rxd4#
- 1...Sh2
- 2.Rxd4#
- 1...Sge3
- 2.Rxd4#
- 1...Sh6
- 2.Rxd4#
- 1...Sxb2!
- 1...Sxf6
- 1.Bc3?
- 1...Sxf6
- 2.Rxd4#
- 1...Sb2
- 2.Rxd4#
- 1...Sd2
- 2.Rxd4#
- 1...Sa3
- 2.Rxd4#
- 1...Sce3
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sb6
- 2.Rxd4#
- 1...Sd6
- 2.Rxd4#
- 1...Sh2
- 2.Rxd4#
- 1...Sge3
- 2.Rxd4#
- 1...Sh6
- 2.Rxd4#
- 1...dxc3!
- 1...Sxf6
- 1.Rb4?
- threat
- 2.Rb5#
- 1...Sd2
- 2.Rxd4#
- 1...Sa3
- 2.Rxd4#
- 1...Sce3
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sb6
- 2.Rxd4#
- 1...Sd6
- 2.Rxd4#
- 1...Sb2!
- threat
- 1.f7?
- 1...Sd2
- 2.Rxd4#
- 1...Sa3
- 2.Rxd4#
- 1...Sce3
- 2.Rxd4#
- 1...Sa5
- 2.Rxd4#
- 1...Sb6
- 2.Rxd4#
- 1...Sd6
- 2.Rxd4#
- 1...Sh2
- 2.Rxd4#
- 1...Sge3
- 2.Rxd4#
- 1...Sf6
- 2.Rxd4#
- 1...Sh6
- 2.Rxd4#
- 1...Sb2!
- 1...Sd2
- 1.Bb2?
- Keys
- 1.Bxd4!
- 1...Kxd4
- 2.Qxe5#
- 1...Sxf6
- 2.Sb4#
- 1...Sb2
- 2.Sf4#
- 1...Sd2
- 2.Sf4#
- 1...Sa3
- 2.Sf4#
- 1...Sce3
- 2.Sf4#
- 1...Sa5
- 2.Sf4#
- 1...Sb6
- 2.Sf4#
- 1...Sd6
- 2.Sf4#
- 1...Sh2
- 2.Sb4#
- 1...Sge3
- 2.Sb4#
- 1...Sh6
- 2.Sb4#
- 1...Kxd4
- 1.Bxd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 10
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(c);OGATE::R1(D),XP(d)
- S(e);OGATE::R1(E),XP(d)
- S(e);OGATE,XP(G)::R1(E),XP(d)
- Tries
- Try
- B(A);
- Vars
- S(e);OGATE,XP(G)::R1(E),XP(d)
- S(c);OGATE::R1(D),XP(d)
- S(e);OGATE::R1(E),XP(d)
- Refutation
- S(c);XB(A)
- Try
- B(A);
- Vars
- S(e);OGATE,XP(G)::R1(E),XP(d)
- S(c);OGATE::R1(D),XP(d)
- S(e);OGATE::R1(E),XP(d)
- Refutation
- P(d);XB(A)
- Try
- R(D);
- Threat
- R(D)
- Vars
- S(c);OGATE::R1(D),XP(d)
- Refutation
- S(c);
- Try
- P(G);
- Vars
- S(c);OGATE::R1(D),XP(d)
- S(e);OGATE::R1(E),XP(d)
- Refutation
- S(c);
- Try
- Actual
- B(A);XP(d)
- Vars
- K(f);N_SPINP(g),P-FLIGHT,P_SPINS(c),XB(A)::QAB1(F),XP(g)
- S(e);XP(G)::S(C)
- S(c);::S(C)
- S(e);::S(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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