MESON Chess Problem Database
Problem Display
PID: 89878 (8/5pb1/2B5/p7/2b2Q2/Rpkp4/2NR4/2K5 w - - 0 1)
Kopaev, Viacheslav Georgievich
Die Schwalbe, 1998
#2
6 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Qxd4#
- 1...Be5
- 2.Qxe5#
- 1...Bf6
- 2.Qxf6#
- 1...Bh6
- 2.Qe5#
- 2.Qd4#
- 2.Qf6#
- 1...Bf8
- 2.Qe5#
- 2.Qd4#
- 2.Qf6#
- 1...f6
- 2.Qd4#
- 1...Bd4
- Tries
- 1.Bb5?
- threat
- 2.Qxc4#
- 1...Bd5
- 2.Rxd3#
- 1...Be6
- 2.Rxd3#
- 1...Bd4
- 2.Qxd4#
- 1...Bxb5!
- threat
- 1.Bd5?
- threat
- 2.Qxc4#
- 1...Bb5
- 2.Rxb3#
- 1...Ba6
- 2.Rxb3#
- 1...Bd4
- 2.Qxd4#
- 1...Bxd5!
- threat
- 1.Rxd3+?
- 1...Kxd3
- 2.Qd2#
- 2.Qe3#
- 2.Qf3#
- 1...Bxd3!
- 1...Kxd3
- 1.Bb5?
- Keys
- 1.Qc7!
- threat
- 2.Qxa5#
- 1...Bb5
- 2.Bxb5#
- 1...Bd5
- 2.Bxd5#
- 1...Ba6
- 2.Bb5#
- 1...Be6
- 2.Bd5#
- 1...Bf8
- 2.Qe5#
- 1...a4
- 2.Qa5#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 4
- Sets
- B(g);N_GUARD::QAB1(E),XB(g)
- B(g);N_GUARD::QAB(E),XB(g)
- P(f);S_CUTB(g)::QAB1(E)
- Tries
- Try
- B(F);
- Threat
- QAR1(E),XB(d)
- Vars
- B(d);N_GUARD::R1(C),XP(c)
- B(g);N_GUARD::QAB1(E),XB(g)
- Refutation
- B(d);XB(F)
- Try
- B(F);
- Threat
- QAR1(E),XB(d)
- Vars
- B(d);N_GUARD::R1(D),XP(a)
- B(g);N_GUARD::QAB1(E),XB(g)
- Refutation
- B(d);XB(F)
- Try
- R(C);CHECK,XP(c)
- Refutation
- B(d);XR(C)
- Try
- Actual
- Q(E);
- Threat
- QAB(E),XP(e)
- Vars
- B(d);OGATEB::QAR(E)+B(F),XB(d)
- B(d);OGATEB::QAR(E)+B(F)
- B(g);N_GUARD::QAB(E)
- P(e);::QAB(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).