MESON Chess Problem Database
Problem Display
PID: 244517 (5QB1/8/3pnn1r/r3k3/ppP5/4B1Np/2N1PP2/1K3bb1 w - - 0 1)
Fomichev, Evgeny Vasilevich
Problemist Ukraini, 2018
#2
9 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd4
- 2.f4#
- 1...Sf4
- 2.Bd4#
- 1...Sc5
- 2.f4#
- 1...Sg5
- 2.f4#
- 1...Sc7
- 2.f4#
- 1...Sg7
- 2.f4#
- 1...Sd8
- 2.f4#
- 1...Sxf8
- 2.f4#
- 1...Se4
- 2.Qf5#
- 1...Sg4
- 2.Qf5#
- 1...Sd5
- 2.Qf5#
- 1...Sh5
- 2.Qf5#
- 1...Sd7
- 2.Qf5#
- 1...Sh7
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...Sxg8
- 2.Qf5#
- 1...Sd4
- Tries
- 1.Se1?
- threat
- 2.Sd3#
- 2.Sf3#
- 1...Rd5
- 2.Sf3#
- 1...Bg2
- 2.Sd3#
- 1...Sd4
- 2.Sd3#
- 2.f4#
- 1...Sf4
- 2.Sf3#
- 1...Sc5
- 2.Sf3#
- 2.f4#
- 1...Sg5
- 2.Sd3#
- 2.f4#
- 1...Bxe2!
- threat
- 1.Sxb4?
- threat
- 2.Sd3#
- 2.Sc6#
- 1...Bxe2
- 2.Sc6#
- 1...Rc5
- 2.Sd3#
- 1...Rd5
- 2.Sc6#
- 1...Ra6
- 2.Sd3#
- 1...Bg2
- 2.Sd3#
- 1...Sd4
- 2.Sd3#
- 2.f4#
- 1...Sf4
- 2.Sc6#
- 1...Sc5
- 2.Sc6#
- 2.f4#
- 1...Sd8
- 2.Sd3#
- 2.f4#
- 1...Rb5!
- threat
- 1.Sd4?
- threat
- 2.Sf3#
- 2.Sc6#
- 1...Bxe2
- 2.Sc6#
- 1...Sxd4
- 2.f4#
- 1...Rc5
- 2.Sf3#
- 1...Ra6
- 2.Sf3#
- 1...Sg5
- 2.Sc6#
- 2.f4#
- 1...Sd8
- 2.Sf3#
- 2.f4#
- 1...Bg2!
- threat
- 1.Se1?
- Keys
- 1.Qf7!
- threat
- 2.Qxe6#
- 1...Sxg8
- 2.Qf5#
- 1...Sd4
- 2.f4#
- 1...Sf4
- 2.Bd4#
- 1...Sc5
- 2.f4#
- 1...Sg5
- 2.f4#
- 1...Sc7
- 2.f4#
- 1...Sg7
- 2.f4#
- 1...Sd8
- 2.f4#
- 1...Sf8
- 2.f4#
- 1...Se4
- 2.Qf5#
- 1...Sg4
- 2.Qf5#
- 1...Sd5
- 2.Qf5#
- 1...Sh5
- 2.Qf5#
- 1...Sd7
- 2.Qf5#
- 1...Sh7
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- threat
- 1.Qf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(i);N_GUARD::P(D)
- S(i);N_GUARD,SBLOCK::B(E)
- S(i);N_GUARD,XQ(H)::P(D)
- S(j);OGATE::QAR1(H)
- S(j);OGATE,XB(I)::QAR1(H)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(f);::S(B)
- B(a);::S(B)
- S(i);::S(B)
- Refutation
- B(a);XP(C)
- Try
- S(B);XP(e)
- Threat
- DUALS(2)
- Vars
- B(a);XP(C)::S(B)
- R(f);::S(B)
- B(a);::S(B)
- S(i);::S(B)
- Refutation
- R(f);P_PINS(B)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(a);XP(C)::S(B)
- S(i);N_GUARD,XS(B)::P(D)
- R(f);::S(B)
- Refutation
- B(a);
- Try
- Actual
- Q(H);
- Threat
- QAR1(H),XS(i)
- Vars
- S(j);OGATE,XB(I)::QAR1(H)
- S(i);N_GUARD::P(D)
- S(i);N_GUARD,SBLOCK::B(E)
- S(j);OGATE::QAR1(H)
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).