MESON Chess Problem Database
Problem Display
PID: 247001 (4N1nb/4pQ2/KNk1B1P1/p2p2rq/1P4b1/8/4p3/8 w - - 0 1)
Vinokurov, Vadim Konstantinovich
Uralski Problemist, 1997
#2
7 + 10
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Bd7#
- 1...Bf3
- 2.Bd7#
- 1...Bf5
- 2.Bxd5#
- 1...Bxe6
- 2.Qxe6#
- 1...Be5
- 2.Bxd5#
- 1...Rf5
- Tries
- 1.Sd7?
- threat
- 2.Sb8#
- 2.b5#
- 1...Bxe6
- 2.Sb8#
- 2.Qxe6#
- 1...Qh2
- 2.b5#
- 1...Be5
- 2.b5#
- 1...d4
- 2.Sb8#
- 1...axb4!
- threat
- 1.Qf4?
- threat
- 2.Qc7#
- 1...Re5
- 2.Qc1#
- 1...Be5
- 2.Bxd5#
- 1...Qh2!
- threat
- 1.Qf5?
- threat
- 2.Bxd5#
- 2.Bd7#
- 1...Rxf5
- 2.Bd7#
- 1...Bxf5
- 2.Bxd5#
- 1...Qh1
- 2.Bd7#
- 1...Bf3
- 2.Bd7#
- 1...Sf6
- 2.Qc2#
- 1...d4
- 2.Bd5#
- 2.Bd7#
- 2.b5#
- 1...axb4!
- threat
- 1.Qxe7?
- threat
- 2.Qc5#
- 2.Qd6#
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 2.b5#
- 1...Bxe6
- 2.Qc5#
- 2.Qd6#
- 2.Qxe6#
- 2.Qb7#
- 2.Qc7#
- 2.b5#
- 1...axb4
- 2.Qd6#
- 2.Qc7#
- 1...Bd4
- 2.Qd6#
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 2.b5#
- 1...Qh2
- 2.Qc5#
- 2.Qb7#
- 2.Qd7#
- 2.b5#
- 1...Qh7
- 2.Qc5#
- 2.Qd6#
- 2.b5#
- 1...Be5
- 2.Bxd5#
- 2.Qc5#
- 2.Qb7#
- 2.Qd7#
- 2.b5#
- 1...Sf6
- 2.Qc5#
- 2.Qd6#
- 2.Qb7#
- 2.Qc7#
- 2.b5#
- 1...d4
- 2.Qd6#
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- 1...Sxe7!
- threat
- 1.Sd7?
- Keys
- 1.Bf5!
- threat
- 2.Qxd5#
- 2.Qe6#
- 1...Qxg6
- 2.Qxd5#
- 1...Rxf5
- 2.Qe6#
- 1...Rxg6
- 2.Qxd5#
- 1...Bxf5
- 2.Qxd5#
- 1...axb4
- 2.Qxd5#
- 1...e1Q
- 2.Qxd5#
- 1...e1R
- 2.Qxd5#
- 1...Qh1
- 2.Qe6#
- 1...Qh2
- 2.Qxd5#
- 1...Bf3
- 2.Bd7#
- 2.Qe6#
- 1...Be5
- 2.Qxd5#
- 1...Sf6
- 2.Qe6#
- 1...d4
- 2.Qc4#
- 2.Qd5#
- 2.Qe6#
- 1...e6
- 2.Qxe6#
- 2.Qb7#
- 2.Qc7#
- 2.Qd7#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- R(e);S_CUTB(b)::B(D)
- B(b);N_GUARD::B(D)
- B(b);S_CUTR(e)::B(D),XP(d)
- B(b);OGATE,XB(D)::QAR2(F),XB(b)
- B(j);S_CUTR(e)::B(D),XP(d)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(f);::P(A)
- B(j);::P(A)
- P(d);::S(C)
- Refutation
- P(c);XP(A)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- R(e);S_CUTB(j)::QAR(F)
- B(j);S_CUTR(e)::B(D),XP(d)
- Refutation
- Q(f);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(e);XQ(F)::B(D)
- B(b);XQ(F)::B(D),XP(d)
- Q(f);::B(D)
- B(b);::B(D)
- S(i);S_CUTB(j)::QAR(F)
- Refutation
- P(c);XP(A)
- Try
- Q(F);XP(h)
- Threat
- DUALS(6)
- Refutation
- S(i);XQ(F)
- Try
- Actual
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(f);XP(E)::QAB1(F),XP(d)
- R(e);XB(D)::QAR2(F)
- R(e);XP(E)::QAB1(F),XP(d)
- B(b);XB(D)::QAB1(F),XP(d)
- P(c);XP(A)::QAB1(F),XP(d)
- P(a);::QAB1(F),XP(d)
- Q(f);::QAR2(F)
- Q(f);::QAB1(F),XP(d)
- B(j);::QAB1(F),XP(d)
- S(i);::QAR2(F)
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).