MESON Chess Problem Database
Problem Display
PID: 250398 (K7/b1p1p3/3R3P/1P2k3/1Q1nN3/3pPpNb/Bp4P1/5q2 w - - 0 1)
Sarkits, Anatoly L
Volkov, Leonid Pavlovich
Uralski Problemist, 2009
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Bc5
- 2.Qxc5#
- 1...Bb8
- 2.Qc5#
- 2.Qxd4#
- 1...Sf5
- 2.Re6#
- 1...Se6
- 2.Rd5#
- 1...Bc5
- Tries
- 1.h7?
- threat
- 2.h8Q#
- 2.h8B#
- 1...Qxg2
- 2.h8Q#
- 2.h8B#
- 1...Bxg2
- 2.h8Q#
- 2.h8B#
- 1...Sxb5
- 2.h8Q#
- 2.h8B#
- 1...cxd6
- 2.h8Q#
- 2.h8B#
- 1...exd6
- 2.h8Q#
- 2.h8B#
- 1...b1Q
- 2.h8Q#
- 2.h8B#
- 1...b1S
- 2.h8Q#
- 2.h8B#
- 1...b1B
- 2.h8Q#
- 2.h8B#
- 1...b1R
- 2.h8Q#
- 2.h8B#
- 1...Be6
- 2.h8Q#
- 2.h8B#
- 1...Qe2
- 2.h8Q#
- 2.h8B#
- 1...Qa1
- 2.h8Q#
- 2.h8B#
- 1...Qb1
- 2.h8Q#
- 2.h8B#
- 1...Qc1
- 2.h8Q#
- 2.h8B#
- 1...Qd1
- 2.h8Q#
- 2.h8B#
- 1...Qe1
- 2.h8Q#
- 2.h8B#
- 1...Qg1
- 2.h8Q#
- 2.h8B#
- 1...Qh1
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Bg4
- 2.h8Q#
- 2.h8B#
- 1...Bf5
- 2.h8Q#
- 2.h8B#
- 1...Bd7
- 2.h8Q#
- 2.h8B#
- 1...Bc8
- 2.h8Q#
- 2.h8B#
- 1...Bc5
- 2.Qxc5#
- 2.h8Q#
- 2.h8B#
- 1...Bb6
- 2.h8Q#
- 2.h8B#
- 1...Bb8
- 2.Qc5#
- 2.Qxd4#
- 2.h8Q#
- 2.h8B#
- 1...Sc2
- 2.h8Q#
- 2.h8B#
- 1...Se2
- 2.h8Q#
- 2.h8B#
- 1...Sb3
- 2.h8Q#
- 2.h8B#
- 1...Sf5
- 2.Re6#
- 1...Sc6
- 2.h8Q#
- 2.h8B#
- 1...Se6
- 2.Rd5#
- 1...d2
- 2.h8Q#
- 2.h8B#
- 1...f2
- 2.h8Q#
- 2.h8B#
- 1...c5
- 2.h8Q#
- 2.h8B#
- 1...c6
- 2.h8Q#
- 2.h8B#
- 1...e6
- 2.h8Q#
- 2.h8B#
- 1...fxg2!
- threat
- 1.h7?
- Keys
- 1.Sc5!
- threat
- 2.Qxd4#
- 1...Kxd6
- 2.Qxd4#
- 1...Bxc5
- 2.Qxc5#
- 1...Sxb5
- 2.Qf4#
- 1...Se6
- 2.Sd7#
- 1...Sc2
- 2.Qf4#
- 1...Se2
- 2.Sxd3#
- 1...Sb3
- 2.Qf4#
- 1...Sf5
- 2.Sd7#
- 2.Re6#
- 2.Qf4#
- 1...Sc6
- 2.Qf4#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- B(h);N_GUARD::QAR2(E),XB(h)
- S(f);N_GUARD,S_CUTB(e)::R1(H)
- S(f);SBLOCK::R1(H)
- Tries
- Try
- P(I);
- Threat
- P=Q
- Vars
- Q(a);XP(B)::P=Q
- B(e);XP(B)::P=Q
- S(f);XP(G)::P=Q
- P(i);XR(H)::P=Q
- P(j);XR(H)::P=Q
- P(b);::P=Q
- B(e);::P=Q
- Q(a);::P=Q
- B(h);::P=Q
- S(f);::P=Q
- S(f);N_GUARD,S_CUTB(e)::R1(H)
- S(f);SBLOCK::R1(H)
- P(c);::P=Q
- P(d);::P=Q
- P(i);::P=Q
- P(j);::P=Q
- Refutation
- P(d);XP(B)
- Try
- Actual
- S(F);
- Threat
- QAB1(E),XS(f)
- Vars
- K(g);S_FLIGHT,XR(H)::QAR2(E),XS(f)
- B(h);OGATE,XS(F)::QAR2(E),XB(h)
- S(f);OGATE,XP(G)::QAB1(E)
- S(f);S_CUTB(e)::S(F)
- S(f);OGATE::QAB1(E)
- S(f);S_CUTQ(a)::S(F),XP(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).