MESON Chess Problem Database
Problem Display
PID: 157888 (2q1b3/8/8/2p1N1Rp/rn2BkpP/6p1/4R1P1/n4K2 w - - 0 1)
Rezinkin, Valery Ivanovich
Best Problems, 2009
#2
7 + 10
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Rxf5#
- 1...Qa6
- 2.Rf5#
- 1...Qb7
- 2.Rf5#
- 1...Qc6
- 2.Rf5#
- 1...Qc7
- 2.Rf5#
- 1...Qa8
- 2.Rf5#
- 1...Qb8
- 2.Rf5#
- 1...Qd8
- 2.Rf5#
- 1...Bb5
- 2.Sg6#
- 1...Bc6
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Bd7
- 2.Sg6#
- 1...Sa2
- 2.Sd3#
- 1...Sc2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sd5
- 2.Sd3#
- 1...Sa6
- 2.Sd3#
- 1...Sc6
- 2.Sd3#
- 1...Qf5
- Tries
- 1.Bb1?
- threat
- 2.Re4#
- 1...Qf5
- 2.Rxf5#
- 1...Qa6
- 2.Rf5#
- 1...Qb7
- 2.Rf5#
- 1...Qc6
- 2.Rf5#
- 1...Qa8
- 2.Rf5#
- 1...Bb5
- 2.Sg6#
- 1...Bc6
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sa2
- 2.Sd3#
- 1...Sbc2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sd5
- 2.Sd3#
- 1...Sa6
- 2.Sd3#
- 1...Sc6
- 2.Sd3#
- 1...Sac2!
- threat
- 1.Bc2?
- threat
- 2.Re4#
- 1...Sbxc2
- 2.Sd3#
- 1...Qf5
- 2.Rxf5#
- 1...Qa6
- 2.Rf5#
- 1...Qb7
- 2.Rf5#
- 1...Qc6
- 2.Rf5#
- 1...Qa8
- 2.Rf5#
- 1...Bb5
- 2.Sg6#
- 1...Bc6
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sa2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sd5
- 2.Sd3#
- 1...Sa6
- 2.Sd3#
- 1...Sc6
- 2.Sd3#
- 1...Saxc2!
- threat
- 1.Bb1?
- Keys
- 1.Bh7!
- threat
- 2.Re4#
- 1...Qf5
- 2.Rxf5#
- 1...Qa6
- 2.Rf5#
- 1...Qb7
- 2.Rf5#
- 1...Qc6
- 2.Rf5#
- 1...Qa8
- 2.Rf5#
- 1...Bb5
- 2.Sg6#
- 1...Bc6
- 2.Sg6#
- 1...Bg6
- 2.Sxg6#
- 1...Sa2
- 2.Sd3#
- 1...Sbc2
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sd5
- 2.Sd3#
- 1...Sa6
- 2.Sd3#
- 1...Sc6
- 2.Sd3#
- threat
- 1.Bh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- Q(i);N_GUARD::R1(G),XQ(i)
- Q(i);N_GUARD,P_PINR(B)::R1(G)
- Q(i);N_GUARD::R1(G)
- B(j);N_GUARD,P_PINR(B)::S(F)
- B(j);N_GUARD::S(F)
- B(j);N_GUARD::S(F),XB(j)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- Tries
- Try
- B(D);
- Threat
- R1(B)
- Vars
- Q(i);N_GUARD::R1(G),XQ(i)
- Q(i);N_GUARD,P_PINR(B)::R1(G)
- Q(i);N_GUARD::R1(G)
- B(j);N_GUARD,P_PINR(B)::S(F)
- B(j);N_GUARD::S(F)
- B(j);N_GUARD::S(F),XB(j)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- Refutation
- S(a);
- Try
- B(D);
- Threat
- R1(B)
- Vars
- S(d);N_GUARD,XB(D)::S(F)
- Q(i);N_GUARD::R1(G),XQ(i)
- Q(i);N_GUARD,P_PINR(B)::R1(G)
- Q(i);N_GUARD::R1(G)
- B(j);N_GUARD,P_PINR(B)::S(F)
- B(j);N_GUARD::S(F)
- B(j);N_GUARD::S(F),XB(j)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
- Refutation
- S(a);XB(D)
- Try
- Actual
- B(D);
- Threat
- R1(B)
- Vars
- Q(i);N_GUARD::R1(G),XQ(i)
- Q(i);N_GUARD,P_PINR(B)::R1(G)
- Q(i);N_GUARD::R1(G)
- B(j);N_GUARD,P_PINR(B)::S(F)
- B(j);N_GUARD::S(F)
- B(j);N_GUARD::S(F),XB(j)
- S(d);N_GUARD::S(F)
- S(d);N_GUARD::S(F),XS(d)
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).