MESON Chess Problem Database
Problem Display
PID: 95073 (8/7Q/4bN2/8/3ppp2/4k1n1/4P3/4K3 w - - 0 1)
Zatulni, V
Cherkasskaya Pravda, 1979
#2
4 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Sg4#
- 1...Bb3
- 2.Sg4#
- 1...Bh3
- 2.Sd5#
- 1...Bc4
- 2.Sg4#
- 1...Bg4
- 2.Sxg4#
- 2.Sd5#
- 1...Bd5
- 2.Sg4#
- 2.Sxd5#
- 1...Bf5
- 2.Sd5#
- 1...Bd7
- 2.Sd5#
- 1...Bf7
- 2.Sg4#
- 1...Bc8
- 2.Sd5#
- 1...Bg8
- 2.Sg4#
- 1...Sf1
- 2.Qxe4#
- 1...Sh1
- 2.Qxe4#
- 1...Sxe2
- 2.Qxe4#
- 1...Sf5
- 2.Sg4#
- 1...Sh5
- 2.Qxe4#
- 1...d3
- 2.Qa7#
- 1...f3
- 2.Qh6#
- 1...Ba2
- Tries
- 1.Qg6?
- 1...Sxe2
- 2.Qxe4#
- 1...f3
- 2.Qg5#
- 2.Qh6#
- 1...Ba2
- 2.Sg4#
- 1...Bb3
- 2.Sg4#
- 1...Bh3
- 2.Sd5#
- 1...Bc4
- 2.Sg4#
- 1...Bg4
- 2.Sxg4#
- 2.Sd5#
- 1...Bd5
- 2.Sg4#
- 2.Sxd5#
- 1...Bf5
- 2.Sd5#
- 1...Bd7
- 2.Sd5#
- 1...Bf7
- 2.Sg4#
- 1...Bc8
- 2.Sd5#
- 1...Bg8
- 2.Sg4#
- 1...Sf1
- 2.Qxe4#
- 2.Qg1#
- 1...Sh1
- 2.Qxe4#
- 1...Sf5
- 2.Sg4#
- 2.Qg1#
- 1...Sh5
- 2.Qxe4#
- 2.Qg1#
- 1...d3!
- 1...Sxe2
- 1.Qh1?
- threat
- 2.Qg1#
- 1...Sxe2
- 2.Qxe4#
- 1...f3
- 2.Qh6#
- 1...Sxh1!
- threat
- 1.Qh2?
- threat
- 2.Qg1#
- 2.Qf2#
- 1...Sxe2
- 2.Qxe2#
- 1...f3
- 2.Qh6#
- 1...Sh1!
- threat
- 1.Qh3?
- 1...Bxh3
- 2.Sd5#
- 1...f3
- 2.Qh6#
- 1...Ba2
- 2.Sg4#
- 1...Bb3
- 2.Sg4#
- 1...Bc4
- 2.Sg4#
- 1...Bg4
- 2.Sxg4#
- 2.Sd5#
- 1...Bd5
- 2.Sg4#
- 2.Sxd5#
- 1...Bf5
- 2.Sd5#
- 1...Bd7
- 2.Sd5#
- 1...Bf7
- 2.Sg4#
- 1...Bc8
- 2.Sd5#
- 1...Bg8
- 2.Sg4#
- 1...d3!
- 1...Bxh3
- 1.Qb7?
- 1...Sxe2
- 2.Qxe4#
- 1...d3
- 2.Qb6#
- 2.Qa7#
- 1...Ba2
- 2.Sg4#
- 1...Bb3
- 2.Sg4#
- 1...Bh3
- 2.Sd5#
- 1...Bc4
- 2.Sg4#
- 1...Bg4
- 2.Sxg4#
- 2.Sd5#
- 1...Bd5
- 2.Sg4#
- 2.Sxd5#
- 1...Bf5
- 2.Sd5#
- 1...Bd7
- 2.Sd5#
- 1...Bf7
- 2.Sg4#
- 1...Bc8
- 2.Sd5#
- 1...Bg8
- 2.Sg4#
- 1...Sf1
- 2.Qxe4#
- 1...Sh1
- 2.Qxe4#
- 1...Sf5
- 2.Sg4#
- 2.Qxe4#
- 1...Sh5
- 2.Qxe4#
- 1...f3!
- 1...Sxe2
- 1.Qg6?
- Keys
- 1.Qf5!
- threat
- 2.Sg4#
- 1...Bxf5
- 2.Sd5#
- 1...Sxe2
- 2.Qxe4#
- 1...d3
- 2.Qc5#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- B(f);N_GUARD::S(C)
- S(b);N_GUARD::QAR1(D),XP(d)
- S(b);N_GUARD,XP(B)::QAR1(D),XP(d)
- S(b);S_CUTB(f)::S(C)
- P(c);OGATEB::QAB(D)
- P(e);OGATEB::QAB(D)
- Tries
- Try
- Q(D);
- Vars
- S(b);N_GUARD,XP(B)::QAR1(D),XP(d)
- B(f);N_GUARD::S(C)
- S(b);N_GUARD::QAR1(D),XP(d)
- Refutation
- P(c);
- Try
- Q(D);
- Threat
- QAB(D)
- Vars
- S(b);N_GUARD,XP(B)::QAR1(D),XP(d)
- P(e);OGATEB::QAB(D)
- Refutation
- S(b);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- S(b);OGATE,XP(B)::QAR1(D),XS(b)
- P(e);OGATEB::QAB(D)
- Refutation
- S(b);
- Try
- Q(D);P_PINS(b)
- Vars
- B(f);N_GUARD,N_SPINS(b),XQ(D)::S(C)
- P(e);N_SPINS(b),OGATEB::QAB(D)
- B(f);N_GUARD::S(C)
- Refutation
- P(c);
- Try
- Q(D);
- Vars
- S(b);N_GUARD,XP(B)::QAR1(D),XP(d)
- B(f);N_GUARD::S(C)
- S(b);N_GUARD::QAR1(D),XP(d)
- Refutation
- P(e);
- Try
- Actual
- Q(D);
- Threat
- S(C)
- Vars
- B(f);N_GUARD,XQ(D)::S(C)
- S(b);N_GUARD,XP(B)::QAR1(D),XP(d)
- P(c);OGATEB::QAB(D)
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).