MESON Chess Problem Database
Problem Display
PID: 219444 (3r4/2QpBp2/5K2/1p1k4/n1R5/4p2B/2P5/4n3 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Suomen Shakki, 1998
#2
6 + 8
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sxc2
- 2.Bg2#
- 1...Sg2
- 2.Bxg2#
- 1...Sd3
- 2.Bg2#
- 1...Sb2
- 2.Qc5#
- 1...Sc3
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sb6
- 2.Qc5#
- 1...d6
- 2.Qc6#
- 1...Sxc2
- Tries
- 1.Bf1?
- threat
- 2.Qe5#
- 2.Qd6#
- 2.Qb7#
- 1...bxc4
- 2.Qxc4#
- 1...Rb8
- 2.Qe5#
- 2.Qd6#
- 2.Qxd7#
- 1...Rc8
- 2.Qe5#
- 2.Qd6#
- 2.Qxd7#
- 1...Sd3
- 2.Bg2#
- 1...Sf3
- 2.Qd6#
- 2.Qb7#
- 1...Sc5
- 2.Qd6#
- 2.Qxc5#
- 1...d6
- 2.Qc6#
- 2.Qb7#
- 1...e2!
- threat
- 1.Bg2+?
- 1...Sf3
- 2.Bxf3#
- 1...Sxg2!
- 1...Sf3
- 1.Be6+?
- 1...dxe6
- 2.Qc6#
- 1...fxe6!
- 1...dxe6
- 1.Bxd7?
- threat
- 2.Qc6#
- 1...bxc4
- 2.Qe5#
- 1...Sc5
- 2.Qxc5#
- 1...Rc8!
- threat
- 1.Rb4?
- threat
- 2.Qd6#
- 2.Qb7#
- 1...Rb8
- 2.Qd6#
- 2.Qxd7#
- 1...Rc8
- 2.Qd6#
- 2.Qxd7#
- 1...Sc5
- 2.Qd6#
- 2.Qxc5#
- 1...d6!
- threat
- 1.Rf4?
- threat
- 2.Qd6#
- 2.Qb7#
- 1...Rb8
- 2.Qd6#
- 2.Qxd7#
- 1...Rc8
- 2.Qd6#
- 2.Qxd7#
- 1...Sc5
- 2.Qd6#
- 2.Qxc5#
- 1...d6!
- threat
- 1.Rg4?
- threat
- 2.Qd6#
- 2.Qb7#
- 1...Rb8
- 2.Qd6#
- 2.Qxd7#
- 1...Rc8
- 2.Qd6#
- 2.Qxd7#
- 1...Sc5
- 2.Qd6#
- 2.Qxc5#
- 1...d6!
- threat
- 1.Rh4?
- threat
- 2.Qd6#
- 2.Qb7#
- 1...Rb8
- 2.Qd6#
- 2.Qxd7#
- 1...Rc8
- 2.Qd6#
- 2.Qxd7#
- 1...Sc5
- 2.Qd6#
- 2.Qxc5#
- 1...d6!
- threat
- 1.Qf4?
- threat
- 2.Qd4#
- 2.Qe4#
- 1...Sxc2
- 2.Bg2#
- 2.Qe4#
- 1...Sc5
- 2.Rxc5#
- 1...Sf3
- 2.Qe4#
- 1...Sc3
- 2.Rc5#
- 2.Qd4#
- 1...bxc4!
- threat
- 1.c3?
- threat
- 2.Rd4#
- 1...Sxc3
- 2.Qc5#
- 1...bxc4
- 2.Qb7#
- 1...Sc2
- 2.Bg2#
- 1...Sf3!
- threat
- 1.Bf1?
- Keys
- 1.Bf5!
- threat
- 2.Be4#
- 1...bxc4
- 2.Qd6#
- 1...Sc5
- 2.Qxc5#
- 1...Sc3
- 2.Qc5#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- S(a);N_GUARD,XP(A)::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- S(c);N_GUARD::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- P(f);N_GUARD::QAB1(E)
- Tries
- Try
- B(B);
- Threat
- DUALS(3)
- Vars
- P(d);OGATE,XR(C)::QAB1(E),XP(d)
- S(a);N_GUARD::B(B)
- Refutation
- P(b);
- Try
- B(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::B(B),XS(a)
- Refutation
- S(a);XB(B)
- Try
- B(B);CHECK
- Vars
- P(f);XB(B)::QAB1(E)
- Refutation
- P(g);XB(B)
- Try
- B(B);XP(f)
- Threat
- QAB1(E)
- Vars
- P(d);SBLOCK,XR(C)::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- Refutation
- R(h);
- Try
- R(C);
- Threat
- DUALS(2)
- Refutation
- P(f);
- Try
- R(C);
- Threat
- DUALS(2)
- Refutation
- P(f);
- Try
- R(C);
- Threat
- DUALS(2)
- Refutation
- P(f);
- Try
- R(C);
- Threat
- DUALS(2)
- Refutation
- P(f);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD::R1(C),XS(c)
- S(a);::QAB1(E)
- Refutation
- P(d);XR(C)
- Try
- P(A);
- Threat
- R1(C)
- Vars
- S(c);N_GUARD,XP(A)::QAR1(E)
- P(d);SBLOCK,XR(C)::QAB(E)
- S(a);N_GUARD::B(B)
- Refutation
- S(a);
- Try
- Actual
- B(B);
- Threat
- B(B)
- Vars
- P(d);SBLOCK,XR(C)::QAR1(E)
- S(c);N_GUARD::QAR1(E),XS(c)
- S(c);N_GUARD::QAR1(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).