MESON Chess Problem Database
Problem Display
PID: 72834 (r1bR2K1/8/1B6/2ppn1N1/1RrkpQ2/6N1/3P3p/4nBbq w - - 0 1)
Delobel, Bernard
Problemesis, 2002
#2
9 + 12
SOLUTION
- SOUND
- Sets
- 1...Be3
- 2.Qxe3#
- 1...Bf5
- 2.Sxf5#
- 1...Ba6
- 2.Sf5#
- 2.Se6#
- 1...Be6+
- 2.Sxe6#
- 1...Bb7
- 2.Sf5#
- 2.Se6#
- 1...Sg2
- 2.Qxe4#
- 1...S1d3
- 2.Se2#
- 1...S1f3
- 2.Qxe4#
- 1...S5d3
- 2.Se2#
- 1...S5f3
- 2.Rxc4#
- 2.Qxe4#
- 1...Sg4
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sg6
- 2.Rxc4#
- 1...Sd7
- 2.Sf5#
- 2.Se6#
- 1...Sf7
- 2.Rxc4#
- 1...Be3
- Tries
- 1.Sf3+?
- 1...S1xf3
- 2.Qxe4#
- 1...S5xf3
- 2.Rxc4#
- 2.Qxe4#
- 1...Qxf3!
- 1...S1xf3
- 1.Bc7?
- threat
- 2.Bxe5#
- 2.Qxe5#
- 1...Be6+
- 2.Sxe6#
- 1...S1d3
- 2.Se2#
- 1...S1f3
- 2.Qxe4#
- 1...S5d3
- 2.Se2#
- 1...S5f3
- 2.Rxc4#
- 2.Qxe4#
- 1...Sg4
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sg6
- 2.Rxc4#
- 1...Sd7
- 2.Sf5#
- 2.Se6#
- 1...Sf7
- 2.Rxc4#
- 1...cxb4!
- threat
- 1.Rxc8?
- threat
- 2.Sf5#
- 2.Se6#
- 2.Bxc5#
- 1...Ra5
- 2.Sf5#
- 2.Se6#
- 1...S1d3
- 2.Se2#
- 2.Sf5#
- 2.Se6#
- 1...S5d3
- 2.Se2#
- 2.Sf5#
- 2.Se6#
- 1...Sc6
- 2.Sf5#
- 2.Se6#
- 1...Sd7
- 2.Sf5#
- 2.Se6#
- 1...Rxc8+!
- threat
- 1.Sf3+?
- Keys
- 1.Sf7!
- threat
- 2.Qxe5#
- 1...Sxf7
- 2.Rxc4#
- 1...S1d3
- 2.Se2#
- 1...S1f3
- 2.Qxe4#
- 1...S5d3
- 2.Se2#
- 1...S5f3
- 2.Rxc4#
- 2.Qxe4#
- 1...Sg4
- 2.Rxc4#
- 1...Sc6
- 2.Rxc4#
- 1...Sg6
- 2.Rxc4#
- 1...Sd7
- 2.Sf5#
- threat
- 1.Sf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD::QAB1(E),XB(b)
- B(l);N_GUARD,P_PINR(H)::S(C),XB(l)
- B(l);CHECK,N_GUARD,P_PINR(H)::S(F),XB(l)
- S(a);S_CUTQ(c)::QAR1(E),XP(g)
- S(a);SBLOCK::S(C)
- S(j);SBLOCK::S(C)
- S(j);N_GUARD::R1(D),XR(e)
- Tries
- Try
- S(F);CHECK
- Vars
- S(a);XS(F)::QAR1(E),XP(g)
- Refutation
- Q(c);XS(F)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- B(l);CHECK,N_GUARD,P_PINR(H)::S(F),XB(l)
- S(a);SBLOCK::S(C)
- S(a);S_CUTQ(c)::QAR1(E),XP(g)
- S(j);SBLOCK::S(C)
- S(j);N_GUARD::R1(D),XR(e)
- Refutation
- P(h);N_SPINR(e),XR(D)
- Try
- R(H);P_SPINR(H),XB(l)
- Threat
- DUALS(3)
- Refutation
- R(k);CHECK,XR(H)
- Try
- Actual
- S(F);
- Threat
- QAB1(E),XS(j)
- Vars
- S(j);N_GUARD,XS(F)::R1(D),XR(e)
- S(a);SBLOCK::S(C)
- S(a);S_CUTQ(c)::QAR1(E),XP(g)
- S(j);SBLOCK::S(C)
- S(j);N_GUARD::R1(D),XR(e)
- S(j);S_CUTB(l)::S(C)
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).