MESON Chess Problem Database
Problem Display
PID: 88393 (1Q2n2b/Kn2P3/B1p4N/p2N2Rp/3kpp1r/3P4/2RP1Pp1/6q1 w - - 0 1)
Feoktistov, Aleksandr Fedorovich
Buletin Problemistic, 2000
#2
11 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be5
- 2.Qxe5#
- 1...Sc5
- 2.Qb2#
- 1...Sbd6
- 2.Qb2#
- 1...Sd8
- 2.Qb2#
- 1...Sed6
- 2.Qxh8#
- 1...Sf6
- 2.Qe5#
- 1...Sc7
- 2.Qxh8#
- 1...Sg7
- 2.Qe5#
- 1...exd3
- 2.Rc4#
- 1...cxd5
- 2.Sf5#
- 1...Be5
- Tries
- 1.Sb4?
- threat
- 2.Sxc6#
- 2.Sf5#
- 2.Rc4#
- 1...exd3
- 2.Rc4#
- 1...Qc1
- 2.Sxc6#
- 2.Sf5#
- 1...Be5
- 2.Sf5#
- 2.Rc4#
- 2.Qxe5#
- 1...Sbd6
- 2.Sxc6#
- 1...Sd8
- 2.Sf5#
- 2.Rc4#
- 1...Sed6
- 2.Sxc6#
- 2.Qxh8#
- 1...Sc7
- 2.Sxc6#
- 2.Rc4#
- 2.Qxh8#
- 1...Sg7
- 2.Sxc6#
- 2.Rc4#
- 2.Qe5#
- 1...c5
- 2.Sc6#
- 2.Sf5#
- 2.Rc4#
- 2.Rd5#
- 1...axb4!
- threat
- 1.Sxf4?
- threat
- 2.Se2#
- 2.Se6#
- 2.Sf5#
- 2.Rc4#
- 1...Qxf2
- 2.Se6#
- 2.Sf5#
- 2.Rc4#
- 1...exd3
- 2.Rc4#
- 1...Qc1
- 2.Se2#
- 2.Se6#
- 2.Sf5#
- 1...Qd1
- 2.Se6#
- 2.Sf5#
- 2.Rc4#
- 1...Qe1
- 2.Se6#
- 2.Sf5#
- 2.Rc4#
- 1...Qf1
- 2.Se6#
- 2.Sf5#
- 2.Rc4#
- 1...Be5
- 2.Sf5#
- 2.Rc4#
- 2.Qxe5#
- 1...Sc5
- 2.Se2#
- 2.Sf5#
- 2.Rc4#
- 2.Qb2#
- 1...Sbd6
- 2.Se2#
- 2.Se6#
- 2.Qb2#
- 1...Sd8
- 2.Se2#
- 2.Sf5#
- 2.Rc4#
- 2.Qb2#
- 1...Sed6
- 2.Se2#
- 2.Se6#
- 2.Qxh8#
- 1...Sc7
- 2.Se2#
- 2.Rc4#
- 2.Qxh8#
- 1...Sg7
- 2.Se2#
- 2.Rc4#
- 2.Qe5#
- 1...Rxf4!
- threat
- 1.Sb6?
- threat
- 2.Sf5#
- 1...exd3
- 2.Rc4#
- 1...Sed6
- 2.Qxh8#
- 1...Sc7
- 2.Qxh8#
- 1...Sg7
- 2.Qe5#
- 1...Sbd6!
- threat
- 1.Sc7?
- threat
- 2.Se6#
- 1...Sxc7
- 2.Qxh8#
- 1...exd3
- 2.Rc4#
- 1...Be5
- 2.Sf5#
- 1...Sc5
- 2.Qb2#
- 1...Sd8
- 2.Qb2#
- 1...Sg7!
- threat
- 1.Sb4?
- Keys
- 1.Se3!
- threat
- 2.Shf5#
- 1...exd3
- 2.Rc4#
- 1...fxe3
- 2.dxe3#
- 1...Sbd6
- 2.Qb2#
- 1...Sed6
- 2.Qxh8#
- 1...Sc7
- 2.Qxh8#
- 1...Sg7
- 2.Qe5#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(l);N_GUARD::QAB1(K),XB(l)
- S(j);OGATE::QAB(K)
- S(k);OGATE::QAB(K),XB(l)
- S(k);S_CUTB(l)::QAB1(K)
- P(d);SBLOCK,XP(D)::R1(A)
- P(i);SBLOCK,XS(E)::S(H)
- Tries
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- P(d);XP(D)::R1(A)
- S(j);::S(E),XP(i)
- Refutation
- P(g);XS(E)
- Try
- S(E);XP(e)
- Threat
- DUALS(4)
- Vars
- P(d);XP(D)::R1(A)
- Refutation
- R(f);XS(E)
- Try
- S(E);
- Threat
- S(H)
- Vars
- P(d);SBLOCK,XP(D)::R1(A)
- S(k);OGATE::QAB(K),XB(l)
- S(k);S_CUTB(l)::QAB1(K)
- Refutation
- S(j);
- Try
- S(E);
- Threat
- S(E)
- Vars
- S(k);OGATE,XS(E)::QAB(K),XB(l)
- P(d);SBLOCK,XP(D)::R1(A)
- B(l);SBLOCK::S(H)
- S(j);OGATE::QAB(K)
- Refutation
- S(k);
- Try
- Actual
- S(E);
- Threat
- S(H)
- Vars
- P(d);SBLOCK,XP(D)::R1(A)
- P(e);OGATE,XS(E)::P(B),XP(e)
- S(j);OGATE::QAB(K)
- S(k);OGATE::QAB(K),XB(l)
- S(k);S_CUTB(l)::QAB1(K)
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).