MESON Chess Problem Database
Problem Display
PID: 244781 (5r2/p1P4p/3p2pK/8/P1kBPn1R/1N1N1Q2/1R1PB3/2r2n2 w - - 0 1)
Shedey, Sergey Oleksandrovich
5th Prize, Tikhookeanski Komsomolets, 1985
#2
12 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.c8Q#
- 2.c8R#
- 1...Rf6
- Tries
- 1.Bc3?
- threat
- 2.Sa5#
- 2.Sxf4#
- 2.Se5#
- 1...Sxd2
- 2.Sxf4#
- 2.Se5#
- 1...Sxe2
- 2.Sa5#
- 1...Sxd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Rf5
- 2.Sxf4#
- 2.Se5#
- 1...Re1
- 2.Sa5#
- 2.Se5#
- 1...Sg3
- 2.Sa5#
- 2.Se5#
- 1...Sg2
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Se5#
- 1...Sh3
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Se5#
- 1...Sd5
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Se5#
- 1...Sh5
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Se5#
- 1...Se6
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Sdc5#
- 2.Se5#
- 1...a5
- 2.Sxa5#
- 2.Sxf4#
- 2.Se5#
- 1...Rxc3!
- threat
- 1.Bc5?
- threat
- 2.Sa5#
- 2.Sxf4#
- 2.Se5#
- 1...Sxd2
- 2.Sxf4#
- 2.Se5#
- 1...Sxe2
- 2.Sa5#
- 1...Sxd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Re1
- 2.Sa5#
- 2.Se5#
- 1...Rc3
- 2.Sa5#
- 2.Se5#
- 1...Sg3
- 2.Sa5#
- 2.Se5#
- 1...Sg2
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Se5#
- 1...Sh3
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Se5#
- 1...Sd5
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Se5#
- 1...Sh5
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Se5#
- 1...Se6
- 2.Sa5#
- 2.Sdxc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Sf4#
- 2.Se5#
- 1...a5
- 2.Sxa5#
- 2.Sxf4#
- 2.Se5#
- 1...dxc5!
- threat
- 1.e5?
- threat
- 2.Qc6#
- 1...Sxe2
- 2.Sa5#
- 1...Sxd3
- 2.Sa5#
- 1...Sd5
- 2.Sa5#
- 1...Se6
- 2.Sa5#
- 1...d5!
- threat
- 1.Bc3?
- Keys
- 1.Bf6!
- threat
- 2.Sa5#
- 1...Rxf6
- 2.c8Q#
- 2.c8R#
- 1...Sxd3
- 2.e5#
- 1...a5
- 2.Sxa5#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD::P=Q
- Tries
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- S(d);XB(C)::S(D)
- Refutation
- R(a);XB(H)
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- S(d);XB(C)::S(D)
- Refutation
- P(e);XB(H)
- Try
- P(I);
- Threat
- QAR2(F)
- Vars
- S(d);XB(C)::S(D)
- S(d);P_SPINS(d),XS(E)::S(D)
- S(d);::S(D)
- Refutation
- P(e);
- Try
- Actual
- B(H);
- Threat
- S(D)
- Vars
- R(i);N_GUARD,XB(H)::P=Q
- S(d);P_SPINS(d),XS(E)::R(J)+P(I)
- P(g);::S(D),XP(g)
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).