MESON Chess Problem Database
Problem Display
PID: 86810 (7r/Q2p1q2/8/1BR1n2r/pkp2N1b/pp6/8/1N1K4 w - - 0 1)
Pilchenko, Viacheslav Karlovich
2nd Prize, Boletim da UBP, 1994-1995
#2
6 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd5+
- 2.Sxd5#
- 1...Qg6
- 2.Sd5#
- 1...Qe8
- 2.Sd5#
- 1...Qf5
- 2.Sd5#
- 1...Qf6
- 2.Sd5#
- 1...Qe7
- 2.Sd5#
- 1...Qg7
- 2.Sd5#
- 1...Qh7
- 2.Sd5#
- 1...Qf8
- 2.Sd5#
- 1...Qd5+
- Tries
- 1.Bxa4?
- threat
- 2.Rb5#
- 2.Qa5#
- 1...Qd5+
- 2.Sxd5#
- 1...Ra8
- 2.Rb5#
- 1...Rb8
- 2.Qa5#
- 1...Bd8
- 2.Rb5#
- 1...Sd3
- 2.Qa5#
- 1...Sf3
- 2.Qa5#
- 1...Sg4
- 2.Qa5#
- 1...Sg6
- 2.Qa5#
- 1...c3
- 2.Qa5#
- 1...Sc6!
- threat
- 1.Bxc4?
- threat
- 2.Qb6#
- 2.Qa5#
- 1...Qd5+
- 2.Sxd5#
- 1...Qxc4
- 2.Qa5#
- 1...Sxc4
- 2.Sd3#
- 1...Qe6
- 2.Qa5#
- 1...Qg6
- 2.Sd5#
- 2.Qa5#
- 1...Qf6
- 2.Sd5#
- 2.Qa5#
- 1...R5h6
- 2.Qa5#
- 1...R8h6
- 2.Qa5#
- 1...Ra8
- 2.Qb6#
- 1...Rb8
- 2.Qa5#
- 1...Sc6
- 2.Sd3#
- 2.Qb6#
- 1...Bd8!
- threat
- 1.Ba6?
- threat
- 2.Rb5#
- 2.Qb6#
- 1...Qd5+
- 2.Sxd5#
- 1...Qe6
- 2.Rb5#
- 1...Qg6
- 2.Sd5#
- 2.Rb5#
- 1...Qf6
- 2.Sd5#
- 2.Rb5#
- 1...R5h6
- 2.Rb5#
- 1...R8h6
- 2.Rb5#
- 1...Bd8
- 2.Rb5#
- 1...Sd3
- 2.Qb6#
- 1...Sf3
- 2.Qb6#
- 1...Sg4
- 2.Qb6#
- 1...Sc6
- 2.Qb6#
- 1...Sg6
- 2.Qb6#
- 1...c3
- 2.Qb6#
- 1...Rb8!
- threat
- 1.Bxd7?
- threat
- 2.Rb5#
- 2.Qb6#
- 2.Qa5#
- 1...Qd5+
- 2.Sxd5#
- 1...Sxd7
- 2.Qa5#
- 1...b2
- 2.Rb5#
- 2.Qb6#
- 1...Qe6
- 2.Rb5#
- 2.Qa5#
- 1...Qg6
- 2.Sd5#
- 2.Rb5#
- 2.Qa5#
- 1...Qf6
- 2.Sd5#
- 2.Rb5#
- 2.Qa5#
- 1...R5h6
- 2.Rb5#
- 2.Qa5#
- 1...R8h6
- 2.Rb5#
- 2.Qa5#
- 1...Ra8
- 2.Rb5#
- 2.Qb6#
- 1...Rb8
- 2.Qa5#
- 1...Bd8
- 2.Rb5#
- 1...Sd3
- 2.Qb6#
- 2.Qa5#
- 1...Sf3
- 2.Qb6#
- 2.Qa5#
- 1...Sg4
- 2.Qb6#
- 2.Qa5#
- 1...Sc6
- 2.Qb6#
- 1...Sg6
- 2.Qb6#
- 2.Qa5#
- 1...c3
- 2.Qb6#
- 2.Qa5#
- 1...Qxd7+!
- threat
- 1.Bxa4?
- Keys
- 1.Bc6!
- threat
- 2.Rb5#
- 2.Qb6#
- 2.Qa5#
- 1...Qd5+
- 2.Sxd5#
- 1...Sxc6
- 2.Qb6#
- 1...dxc6
- 2.Qb6#
- 2.Qa5#
- 1...b2
- 2.Rb5#
- 2.Qb6#
- 1...Ra8
- 2.Rb5#
- 2.Qb6#
- 1...Rb8
- 2.Qa5#
- 1...Bd8
- 2.Rb5#
- 1...Sd3
- 2.Qb6#
- 2.Qa5#
- 1...Sf3
- 2.Qb6#
- 2.Qa5#
- 1...Sg4
- 2.Qb6#
- 2.Qa5#
- 1...Sg6
- 2.Qb6#
- 2.Qa5#
- 1...c3
- 2.Qb6#
- 2.Qa5#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(j);CHECK,N_GUARD::S(C),XQ(j)
- Q(j);N_GUARD::S(C)
- Tries
- Try
- B(D);XP(c)
- Threat
- DUALS(2)
- Vars
- Q(j);CHECK,N_GUARD::S(C),XQ(j)
- R(k);::R1(E)
- R(k);::QAB1(F)
- B(f);::R1(E)
- S(g);::QAB1(F)
- P(e);::QAB1(F)
- Refutation
- S(g);
- Try
- B(D);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(j);CHECK,N_GUARD::S(C),XQ(j)
- Q(j);XB(D)::QAB1(F)
- S(g);N_GUARD,XB(D)::S(C)
- Q(j);::QAB1(F)
- R(h);::QAB1(F)
- R(k);::QAB1(F)
- R(k);::QAR2(F)
- Refutation
- B(f);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(j);CHECK,N_GUARD::S(C),XQ(j)
- Q(j);::R1(E)
- R(h);::R1(E)
- R(k);::R1(E)
- B(f);::R1(E)
- S(g);::QAR2(F)
- P(e);::QAR2(F)
- Refutation
- R(k);
- Try
- B(D);XP(i)
- Threat
- DUALS(3)
- Vars
- Q(j);CHECK,N_GUARD::S(C),XQ(j)
- S(g);XB(D)::QAB1(F)
- R(k);::QAB1(F)
- B(f);::R1(E)
- S(g);::QAR2(F)
- Refutation
- Q(j);CHECK,XB(D)
- Try
- Actual
- B(D);
- Threat
- DUALS(3)
- Vars
- Q(j);CHECK,N_GUARD::S(C),XQ(j)
- S(g);XB(D)::QAR2(F)
- R(k);::QAB1(F)
- B(f);::R1(E)
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).