MESON Chess Problem Database
Problem Display
PID: 255609 (K3QR2/6pp/1p6/n3b3/2n1k3/R2pN3/2N4p/8 w - - 0 1)
Dyachuk, Vasyl Vasilovich
2nd HM., Problemist Ukraini, 2008
#2
6 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sb7
- 2.Qc6#
- 1...h5
- 2.Qg6#
- 1...h6
- 2.Qg6#
- 1...Sb3
- Tries
- 1.Sxc4?
- threat
- 2.Qxe5#
- 1...Sxc4
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Kd5!
- threat
- 1.Qh5?
- threat
- 2.Qf3#
- 2.Qf5#
- 1...Sxe3
- 2.Qf3#
- 1...Bf6
- 2.Qf5#
- 1...h1Q
- 2.Qxh1#
- 2.Qf5#
- 1...h1B
- 2.Qxh1#
- 2.Qf5#
- 1...Ba1
- 2.Qd5#
- 2.Qf5#
- 1...Bb2
- 2.Qd5#
- 2.Qf5#
- 1...Bc3
- 2.Qd5#
- 2.Qf5#
- 1...Bg3
- 2.Qd5#
- 2.Qf5#
- 1...Bd4
- 2.Qd5#
- 2.Qf5#
- 1...Bf4
- 2.Qd5#
- 1...Bd6
- 2.Qd5#
- 2.Qf5#
- 1...Bc7
- 2.Qd5#
- 2.Qf5#
- 1...Bb8
- 2.Qd5#
- 2.Qf5#
- 1...Sd2
- 2.Qf5#
- 1...Sd6
- 2.Qf3#
- 1...g5
- 2.Qf3#
- 2.Qxh7#
- 1...g6
- 2.Qf3#
- 1...dxc2!
- threat
- 1.Qd7?
- threat
- 2.Qf5#
- 2.Qxd3#
- 2.Qd5#
- 1...Sxa3
- 2.Qf5#
- 2.Qd5#
- 1...Sxe3
- 2.Qxd3#
- 1...dxc2
- 2.Qd3#
- 2.Qd5#
- 1...Ba1
- 2.Qf5#
- 2.Qd5#
- 1...Bb2
- 2.Qf5#
- 2.Qd5#
- 1...Bc3
- 2.Qf5#
- 2.Qd5#
- 1...Bg3
- 2.Qf5#
- 2.Qd4#
- 2.Qd5#
- 1...Bd4
- 2.Qf5#
- 2.Qxd4#
- 2.Qd5#
- 1...Bf4
- 2.Qd5#
- 1...Bd6
- 2.Qf5#
- 1...Bf6
- 2.Qf5#
- 1...Bc7
- 2.Qf5#
- 2.Qd4#
- 2.Qd5#
- 1...Bb8
- 2.Qf5#
- 2.Qd4#
- 2.Qd5#
- 1...Sb2
- 2.Qf5#
- 2.Qd5#
- 1...Sb3
- 2.Qf5#
- 2.Qc6#
- 2.Qd5#
- 2.Qb7#
- 1...d2
- 2.Qf5#
- 2.Qd3#
- 2.Qd5#
- 1...g6
- 2.Qxd3#
- 2.Qd5#
- 1...Sd6!
- threat
- 1.Qf7?
- threat
- 2.Qd5#
- 2.Qf3#
- 2.Qf5#
- 1...Sxe3
- 2.Qf3#
- 1...dxc2
- 2.Qd5#
- 1...Ba1
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Bb2
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Bc3
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Bg3
- 2.Qd5#
- 2.Qf5#
- 1...Bd4
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...Bf4
- 2.Qd5#
- 2.Qxf4#
- 1...Bd6
- 2.Qd5#
- 2.Qf5#
- 1...Bc7
- 2.Qd5#
- 2.Qf5#
- 1...Bb8
- 2.Qd5#
- 2.Qf5#
- 1...h1Q
- 2.Qd5#
- 2.Qf5#
- 1...h1B
- 2.Qd5#
- 2.Qf5#
- 1...Sd2
- 2.Qd5#
- 2.Qf5#
- 1...Sd6
- 2.Qd5#
- 2.Qf3#
- 1...g6
- 2.Qd5#
- 2.Qf3#
- 1...Bf6!
- threat
- 1.Qe6?
- threat
- 2.Qd5#
- 2.Qf5#
- 1...dxc2
- 2.Qd5#
- 1...Sd6
- 2.Qd5#
- 1...g6
- 2.Qd5#
- 1...Sxe3!
- threat
- 1.Sxc4?
- Keys
- 1.Qb5!
- threat
- 2.Qd5#
- 1...Sxe3
- 2.Qxd3#
- 1...Bf6
- 2.Qf5#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- S(e);N_GUARD::QAB(E)
- S(e);N_GUARD::QAB(E),XS(e)
- P(i);N_GUARD::QAB(E)
- Tries
- Try
- S(C);XS(c)
- Threat
- QAR1(E),XB(f)
- Vars
- S(e);N_GUARD,XS(C)::QAB(E)
- S(e);N_GUARD::QAB(E),XS(e)
- Refutation
- K(d);N_SPINB(f),S_FLIGHT
- Try
- Q(E);N_PINB(f)
- Threat
- DUALS(2)
- Vars
- S(c);XS(C)::QAB1(E)
- B(f);::QAB1(E)
- B(f);OGATE::QAB1(E)
- S(c);::QAB1(E)
- P(h);::QAB1(E)
- Refutation
- P(b);XS(A)
- Try
- Q(E);N_PINB(f)
- Threat
- DUALS(3)
- Vars
- S(c);XS(C)::QAB1(E),XP(b)
- B(f);::QAB1(E)
- Refutation
- S(c);
- Try
- Q(E);N_PINB(f)
- Threat
- DUALS(3)
- Vars
- S(c);XS(C)::QAB1(E)
- P(b);XS(A)::QAB1(E)
- Refutation
- B(f);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- P(b);XS(A)::QAB1(E)
- S(c);::QAB1(E)
- P(h);::QAB1(E)
- Refutation
- S(c);XS(C)
- Try
- Actual
- Q(E);N_PINB(f)
- Threat
- QAB1(E)
- Vars
- S(c);OGATE,XS(C)::QAB1(E),XP(b)
- B(f);OGATE::QAB1(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).