MESON Chess Problem Database
Problem Display
PID: 254455 (1Q2n3/KBpRN3/b3N2r/4kPP1/8/7p/5R2/8 w - - 0 1)
Kovacevic, Marjan
1/2 Prize, 64 Shakhmatnoe obozrenie, 2021
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Sg6#
- 1...Rh5
- 2.Sg6#
- 1...Rg6
- 2.Sxg6#
- 1...Rh7
- 2.Sg6#
- 1...Rh8
- 2.Sg6#
- 1...Be2
- 2.Rxe2#
- 1...Sf6
- 2.Qxc7#
- 1...Sg7
- 2.Qxc7#
- 1...Rh4
- Tries
- 1.Bh1?
- threat
- 2.Sc6#
- 2.Rd5#
- 2.Qb2#
- 1...Rxe6
- 2.Rd5#
- 2.Qb2#
- 1...Rh4
- 2.Sc6#
- 2.Sg6#
- 2.Rd5#
- 1...Bc4
- 2.Sc6#
- 2.Qb2#
- 1...Bb5
- 2.Rd5#
- 1...Sd6
- 2.Sc6#
- 2.Qb2#
- 1...Sf6
- 2.Sc6#
- 2.Qxc7#
- 2.Qb2#
- 1...Bb7!
- threat
- 1.Bd5?
- threat
- 2.Sc6#
- 2.Qb2#
- 1...Rxe6
- 2.Qb2#
- 1...Bb7
- 2.Re2#
- 1...Rh4
- 2.Sc6#
- 2.Sg6#
- 1...Sd6
- 2.Qb2#
- 1...Bb5!
- threat
- 1.Qxc7+?
- 1...Sd6
- 2.Qxd6#
- 2.Qc3#
- 2.Qc5#
- 1...Sxc7!
- 1...Sd6
- 1.Bh1?
- Keys
- 1.Bc6!
- threat
- 2.Qb2#
- 1...Bb7
- 2.Re2#
- 1...Rh4
- 2.Sg6#
- 1...Bb5
- 2.Qxb5#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(d);N_GUARD::S(H)
- R(d);N_GUARD::S(H),XR(d)
- B(c);N_GUARD::R(A),XB(c)
- S(f);N_GUARD::QAB(I),XP(e)
- Tries
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- B(c);::R1(G)
- Refutation
- B(c);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(d);XS(D)::QAB(I)
- B(c);N_GUARD::R(A)
- S(f);N_SPINP(e)::QAB(I)
- Refutation
- B(c);
- Try
- Q(I);CHECK,XP(e)
- Refutation
- S(f);XQ(I)
- Try
- Actual
- B(F);
- Threat
- QAB(I)
- Vars
- B(c);N_GUARD::R(A)
- R(d);N_GUARD::S(H)
- B(c);N_GUARD::QAR(I),XB(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).