MESON Chess Problem Database
Problem Display
PID: 107973 (3BB3/4n2K/1N1kp1p1/4n3/1N1P4/7p/8/5Q1q w - - 0 1)
Dyachuk, Vasyl Vasilovich
Hlas l'udu, 1996
#2
7 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sg4
- 2.Sc4#
- 1...S5c6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sd5
- 2.Sc8#
- 1...Sf5
- 2.Sc8#
- 1...S7c6
- 2.Sc8#
- 1...Sc8
- 2.Sxc8#
- 1...Sg8
- 2.Sc8#
- 1...Sd3
- Tries
- 1.Qc4?
- threat
- 2.Bc7#
- 2.Qc5#
- 2.Qc7#
- 1...Sxc4
- 2.Sxc4#
- 1...Qd5
- 2.Bc7#
- 2.Qc7#
- 1...Qb7
- 2.Qc5#
- 1...Qc1
- 2.Bc7#
- 1...Sd3
- 2.Bc7#
- 2.Qc7#
- 1...S5c6
- 2.Qc5#
- 1...Sd7
- 2.Bc7#
- 2.Qc7#
- 1...Sd5
- 2.Sc8#
- 2.Qc5#
- 1...Sf5
- 2.Sc8#
- 2.Qc5#
- 2.Qc7#
- 1...S7c6
- 2.Sc8#
- 2.Qc5#
- 1...Sc8
- 2.Sxc8#
- 2.Qc5#
- 2.Qc7#
- 1...Sg8
- 2.Sc8#
- 2.Qc5#
- 2.Qc7#
- 1...Qc6!
- threat
- 1.Qb5?
- threat
- 2.Qc5#
- 2.Qxe5#
- 2.dxe5#
- 1...Qc6
- 2.Qxe5#
- 2.dxe5#
- 1...Qe4
- 2.Qc5#
- 1...Qa1
- 2.Qc5#
- 2.Qxe5#
- 1...Qc1
- 2.Qxe5#
- 2.dxe5#
- 1...Qe1
- 2.Qc5#
- 1...Qh2
- 2.Qc5#
- 1...Sd3
- 2.Sc4#
- 2.Qd7#
- 1...Sf3
- 2.Sc4#
- 2.Qd7#
- 2.Qc5#
- 1...Sc4
- 2.Sxc4#
- 2.Qd7#
- 2.Qc5#
- 1...Sg4
- 2.Sc4#
- 2.Qd7#
- 2.Qc5#
- 1...S5c6
- 2.Sc4#
- 2.Qc5#
- 1...Sd7
- 2.Sc4#
- 2.Qxd7#
- 1...Sf7
- 2.Sc4#
- 2.Qd7#
- 2.Qc5#
- 1...Sd5
- 2.Sc8#
- 2.Qc5#
- 1...S7c6
- 2.Sc8#
- 2.Qc5#
- 1...Qd5!
- threat
- 1.Qa6?
- threat
- 2.Sc4#
- 2.Sc8#
- 1...Sc4
- 2.Sxc4#
- 2.Sc8#
- 1...S5c6
- 2.Sc4#
- 1...S7c6
- 2.Sc8#
- 1...Sc8
- 2.Sc4#
- 2.Sxc8#
- 1...Qc6!
- threat
- 1.Qf4?
- threat
- 2.Sc4#
- 2.Qxe5#
- 1...Qc6
- 2.Qxe5#
- 1...Qe4
- 2.Sc4#
- 1...Qc1
- 2.Qxe5#
- 1...Qe1
- 2.Sc4#
- 1...Qf1
- 2.Qxe5#
- 1...Qh2
- 2.Sc4#
- 1...Sc6
- 2.Sc4#
- 2.Sc8#
- 1...Qd5!
- threat
- 1.Qf7?
- threat
- 2.Qxe7#
- 1...Sxf7
- 2.Sc4#
- 1...S5c6
- 2.Sc4#
- 1...Sd5
- 2.Sc8#
- 1...Sf5
- 2.Sc8#
- 2.Bc7#
- 2.Qc7#
- 1...S7c6
- 2.Sc8#
- 2.Bc7#
- 2.Qc7#
- 1...Sc8
- 2.Sxc8#
- 2.Bc7#
- 2.Qc7#
- 1...Sg8
- 2.Sc8#
- 2.Bc7#
- 2.Qc7#
- 1...Qb7!
- threat
- 1.Qf8?
- threat
- 2.Sc8#
- 2.Qxe7#
- 1...Qc6
- 2.Qxe7#
- 1...Qa8
- 2.Qxe7#
- 1...Qc1
- 2.Qxe7#
- 1...Sc6
- 2.Sc4#
- 2.Sc8#
- 1...Qb7!
- threat
- 1.dxe5+?
- 1...Kc5
- 2.Qc4#
- 1...Kxe5!
- 1...Kc5
- 1.Qc4?
- Keys
- 1.Qf6!
- threat
- 2.Qxe5#
- 2.Qxe7#
- 1...Qe4
- 2.Qxe7#
- 1...Qd5
- 2.Qxe7#
- 1...Qb7
- 2.Qxe5#
- 1...Qe1
- 2.Qxe7#
- 1...Qh2
- 2.Qxe7#
- 1...Sd3
- 2.Sc4#
- 2.Qxe7#
- 1...Sf3
- 2.Sc4#
- 2.Qxe7#
- 1...Sc4
- 2.Sxc4#
- 2.Qxe7#
- 1...Sg4
- 2.Sc4#
- 2.Qxe7#
- 1...S5c6
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 2.Qxe7#
- 1...Sf7
- 2.Sc4#
- 2.Qxe7#
- 1...Sd5
- 2.Sc8#
- 2.Qxe5#
- 1...Sf5
- 2.Sc8#
- 2.Qxe5#
- 1...S7c6
- 2.Sc8#
- 1...Sc8
- 2.Sxc8#
- 2.Qxe5#
- 1...Sg8
- 2.Sc8#
- 2.Qxe5#
- threat
- 1.Qf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 10
- Sets
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(g);N_GUARD::S(D)
- S(g);N_GUARD::S(D),XS(g)
- Tries
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(c);XQ(A)::S(D),XS(c)
- Q(a);::QAB1(A)
- Q(a);::B(F)
- S(c);::QAB1(A)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- Q(a);::QAB1(A)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(c);::S(D)
- S(g);::S(D)
- Refutation
- Q(a);
- Try
- Q(A);P_PINS(c)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(A),XS(c)
- Q(a);::S(D)
- Refutation
- Q(a);
- Try
- Q(A);
- Threat
- QAB1(A),XS(g)
- Vars
- S(c);N_GUARD,XQ(A)::S(D)
- S(c);N_GUARD::S(D)
- S(g);N_GUARD::S(D)
- Refutation
- Q(a);
- Try
- Q(A);P_PINS(g)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(A),XS(g)
- Refutation
- Q(a);
- Try
- P(C);CHECK,XS(c)
- Vars
- K(d);S_FLIGHT::QAR1(A)
- Refutation
- K(d);S_FLIGHT,XP(C)
- Try
- Actual
- Q(A);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(A),XS(g)
- Q(a);::QAB1(A),XS(c)
- S(c);N_GUARD::S(D)
- S(g);N_GUARD::S(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).