MESON Chess Problem Database
Problem Display
PID: 163036 (8/5p2/5n2/NR2n3/p1BkP3/Pp6/1P2R3/3KN3 w - - 0 1)
Fomichev, Evgeny Vasilevich
StrateGems, 2013
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sxc4
- 2.Sc6#
- 1...Seg4
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Sg6
- 2.Sf3#
- 1...Sed7
- 2.Sf3#
- 1...Sxe4
- 2.Rd5#
- 1...Sfg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sfd7
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sd3
- Tries
- 1.Kc1?
- 1...Sxc4
- 2.Sc6#
- 1...Sxe4
- 2.Rd5#
- 1...Sf3
- 2.Sxf3#
- 1...Seg4
- 2.Sf3#
- 1...Sc6
- 2.Sf3#
- 1...Sg6
- 2.Sf3#
- 1...Sed7
- 2.Sf3#
- 1...Sfg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sfd7
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sd3+!
- 1...Sxc4
- 1.Sxb3+?
- 1...Kxc4
- 2.Rb4#
- 1...axb3!
- 1...Kxc4
- 1.Bxb3?
- 1...Sxe4
- 2.Rd5#
- 1...Sd3
- 2.Sc2#
- 2.Sf3#
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Seg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sed7
- 2.Sc6#
- 1...Sfg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sfd7
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...axb3!
- 1...Sxe4
- 1.Be6?
- 1...Sxe4
- 2.Rd5#
- 1...Sd3
- 2.Sf3#
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Seg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sed7
- 2.Sc6#
- 1...Sfg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sfd7
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...fxe6!
- 1...Sxe4
- 1.Bxf7?
- 1...Sxe4
- 2.Rd5#
- 1...Sd3
- 2.Sf3#
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Seg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sed7
- 2.Sc6#
- 1...Sfg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sfd7
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sxf7!
- 1...Sxe4
- 1.Rxe5?
- threat
- 2.Sf3#
- 1...Sd5
- 2.Rxd5#
- 1...Kxe5!
- threat
- 1.Kc1?
- Keys
- 1.Bd3!
- 1...Sxd3
- 2.Sf3#
- 1...Sxe4
- 2.Rxe4#
- 1...Sf3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Seg4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg6
- 2.Sc6#
- 1...Sed7
- 2.Sc6#
- 1...Sfg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sh5
- 2.Rd5#
- 1...Sfd7
- 2.Rd5#
- 1...Sh7
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...Sg8
- 2.Rd5#
- 1...Sxd3
- 1.Bd3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD,SBLOCK,XB(F)::S(H)
- S(e);N_GUARD,XP(G)::R1(I)
- S(e);N_GUARD::R1(I)
- S(e);N_GUARD::R1(I),XS(e)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(d);N_GUARD,SBLOCK,XB(F)::S(H)
- S(e);N_GUARD,XP(G)::R1(I)
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- S(e);N_GUARD::R1(I)
- S(e);N_GUARD::R1(I),XS(e)
- Refutation
- S(d);CHECK
- Try
- S(H);CHECK,XP(a)
- Vars
- K(c);P-FLIGHT,XB(F)::R1(I)
- Refutation
- P(b);XS(H)
- Try
- B(F);XP(a)
- Vars
- S(e);N_GUARD,XP(G)::R1(I)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- S(e);N_GUARD::R1(I)
- S(e);N_GUARD::R1(I),XS(e)
- Refutation
- P(b);XB(F)
- Try
- B(F);
- Vars
- S(e);N_GUARD,XP(G)::R1(I)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- S(e);N_GUARD::R1(I)
- S(e);N_GUARD::R1(I),XS(e)
- Refutation
- P(f);XB(F)
- Try
- B(F);XP(f)
- Vars
- S(e);N_GUARD,XP(G)::R1(I)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- S(e);N_GUARD::R1(I)
- S(e);N_GUARD::R1(I),XS(e)
- Refutation
- S(d);XB(F)
- Try
- R(I);XS(d)
- Threat
- S(B)
- Vars
- S(e);N_GUARD::R1(I),XS(e)
- Refutation
- K(c);S_FLIGHT,XR(I)
- Try
- Actual
- B(F);
- Vars
- S(d);N_GUARD,SBLOCK,XB(F)::S(B)
- S(e);OGATE,XP(G)::R1(D),XS(e)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- S(e);N_GUARD::R1(I)
- S(e);N_GUARD::R1(I),XS(e)
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).