MESON Chess Problem Database
Problem Display
PID: 145862 (3N4/2pprpp1/b7/2P1k1B1/3pBNPK/4p3/qb6/7Q w - - 0 1)
Yakimovich, A
3rd Place, 12. Russian Championship, 1996
#2
8 + 11
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Re6
- 2.Sxf7#
- 1...Bd3
- 2.Sxd3#
- 1...Bb7
- 2.Sd3#
- 1...Bc8
- 2.Sd3#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Re6
- Tries
- 1.Bb1?
- threat
- 2.Qe4#
- 1...Qxb1
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Bd3
- 2.Sxd3#
- 1...Bb7
- 2.Sd3#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...d3!
- threat
- 1.Bc2?
- threat
- 2.Qe4#
- 1...Qd5
- 2.Qxd5#
- 1...Bd3
- 2.Sxd3#
- 1...Bb7
- 2.Sd3#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...d3!
- threat
- 1.Bd3?
- threat
- 2.Qe4#
- 1...Bxd3
- 2.Sxd3#
- 1...Qd5
- 2.Qxd5#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...Bb7!
- threat
- 1.Bd5?
- threat
- 2.Qe4#
- 1...Qxd5
- 2.Qxd5#
- 1...Bd3
- 2.Sxd3#
- 1...f5
- 2.Sg6#
- 1...Qb1!
- threat
- 1.Bc6?
- threat
- 2.Qe4#
- 1...dxc6
- 2.Sxc6#
- 1...Qb1
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Bd3
- 2.Sxd3#
- 1...f5
- 2.Sg6#
- 1...d5!
- threat
- 1.Bg6?
- threat
- 2.Qe4#
- 1...fxg6
- 2.Sxg6#
- 1...Qb1
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Bd3
- 2.Sxd3#
- 1...Bb7
- 2.Sd3#
- 1...d5
- 2.Sc6#
- 1...f5!
- threat
- 1.Bb7?
- threat
- 2.Qe4#
- 1...Bxb7
- 2.Sd3#
- 1...Qb1
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Bd3
- 2.Sxd3#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...c6!
- threat
- 1.Bh7?
- threat
- 2.Qe4#
- 1...Qb1
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Bd3
- 2.Sxd3#
- 1...Bb7
- 2.Sd3#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...g6!
- threat
- 1.Ba8?
- threat
- 2.Qe4#
- 1...Qb1
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Bd3
- 2.Sxd3#
- 1...Bb7
- 2.Sd3#
- 1...d5
- 2.Sc6#
- 1...f5
- 2.Sg6#
- 1...c6!
- threat
- 1.Bb1?
- Keys
- 1.Bf5!
- threat
- 2.Qe4#
- 1...Qb1
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Bd3
- 2.Sxd3#
- 1...Bb7
- 2.Sd3#
- 1...d5
- 2.Sc6#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(i);N_GUARD,S_CUTQ(a)::S(H),XP(j)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(h);N_GUARD::S(H)
- P(j);N_GUARD::S(C)
- Tries
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- Q(a);N_GUARD,XB(B)::QAR1(A)
- Q(a);N_GUARD::QAR1(A),XQ(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(h);N_GUARD::S(H)
- P(j);N_GUARD::S(C)
- Refutation
- P(d);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- Q(a);N_GUARD::QAR1(A),XQ(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(h);N_GUARD::S(H)
- P(j);N_GUARD::S(C)
- Refutation
- P(d);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- B(f);XB(B)::S(C),XB(f)
- Q(a);N_GUARD::QAR1(A),XQ(a)
- P(h);N_GUARD::S(H)
- P(j);N_GUARD::S(C)
- Refutation
- B(f);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- Q(a);OGATE,XB(B)::QAR1(A),XQ(a)
- B(f);N_GUARD::S(C),XB(f)
- P(j);N_GUARD::S(C)
- Refutation
- Q(a);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- P(h);XB(B)::S(H),XP(h)
- Q(a);N_GUARD::QAR1(A)
- Q(a);N_GUARD::QAR1(A),XQ(a)
- B(f);N_GUARD::S(C),XB(f)
- P(j);N_GUARD::S(C)
- Refutation
- P(h);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- P(j);XB(B)::S(C),XP(j)
- Q(a);N_GUARD::QAR1(A)
- Q(a);N_GUARD::QAR1(A),XQ(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(h);N_GUARD::S(H)
- Refutation
- P(j);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- B(f);N_GUARD,XB(B)::S(C)
- Q(a);N_GUARD::QAR1(A)
- Q(a);N_GUARD::QAR1(A),XQ(a)
- B(f);N_GUARD::S(C),XB(f)
- P(h);N_GUARD::S(H)
- P(j);N_GUARD::S(C)
- Refutation
- P(g);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- Q(a);N_GUARD::QAR1(A)
- Q(a);N_GUARD::QAR1(A),XQ(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(h);N_GUARD::S(H)
- P(j);N_GUARD::S(C)
- Refutation
- P(k);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- Q(a);N_GUARD::QAR1(A)
- Q(a);N_GUARD::QAR1(A),XQ(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(h);N_GUARD::S(H)
- P(j);N_GUARD::S(C)
- Refutation
- P(g);
- Try
- Actual
- B(B);
- Threat
- QAR1(A)
- Vars
- Q(a);N_GUARD::QAR1(A)
- Q(a);N_GUARD::QAR1(A),XQ(a)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- P(h);N_GUARD::S(H)
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).