MESON Chess Problem Database
Problem Display
PID: 133689 (5r2/qrn4n/p2P2R1/2b1PkpP/1p2Np1P/1B1K1P2/5P2/BQ2R3 w - - 0 1)
Dyachuk, Vasyl Vasilovich
3rd Prize, Dresden Olympic Ty., 2008
#2
13 + 11
| 23 | Die Schwalbe | 2008 |
| 145 | StrateGems | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxd6
- 2.Sxd6#
- 1...Sb5
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Sa8
- 2.Be6#
- 1...Se8
- 2.Be6#
- 1...Sf6
- 2.Rxg5#
- 1...g4
- 2.fxg4#
- 1...Bxd6
- Tries
- 1.Kd2?
- threat
- 2.Sc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sxg5#
- 2.Sf6#
- 1...Bxf2
- 2.Sxf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sf6#
- 1...Bxd6
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sxd6#
- 2.Sf6#
- 1...gxh4
- 2.Sc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sf6#
- 1...Bd4
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sf6#
- 1...Rf6
- 2.Sc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sxg5#
- 2.Sxf6#
- 1...Bb6
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sf6#
- 1...Sd5
- 2.Sc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sxg5#
- 1...Sf6
- 2.Sg3#
- 2.Sxf6#
- 2.Rxg5#
- 1...g4
- 2.Sc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sf6#
- 2.fxg4#
- 1...Be3+!
- threat
- 1.Ke2?
- threat
- 2.Sd2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sxg5#
- 2.Sf6#
- 1...Bxf2
- 2.Sd2#
- 2.Sxf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sf6#
- 1...Bxd6
- 2.Sd2#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sxd6#
- 2.Sf6#
- 1...gxh4
- 2.Sd2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sf6#
- 1...Rf6
- 2.Sd2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sxg5#
- 2.Sxf6#
- 1...Be3
- 2.Sd2#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sf6#
- 1...Bb6
- 2.Sd2#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sf6#
- 1...Sd5
- 2.Sd2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sxg5#
- 1...Sf6
- 2.Sg3#
- 2.Sxf6#
- 2.Rxg5#
- 1...g4
- 2.Sd2#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sf6#
- 2.fxg4#
- 1...Bd4!
- threat
- 1.Kc4?
- threat
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sxg5#
- 1...Bxf2
- 2.Sd2#
- 2.Sxf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 1...Bxd6
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 2.Sxd6#
- 1...gxh4
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 1...Rf6
- 2.Sxc5#
- 2.Sxg5#
- 1...Bd4
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 1...Be3
- 2.Sd2#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 1...Bb6
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sxg5#
- 1...g4
- 2.Sd2#
- 2.Sc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.fxg4#
- 1...Sf6!
- threat
- 1.Sc3?
- threat
- 2.Kd2#
- 2.Kc4#
- 1...bxc3
- 2.Kxc3#
- 1...Rf6
- 2.Kd2#
- 1...Sf6
- 2.Rxg5#
- 1...Be3!
- threat
- 1.Sxc5?
- threat
- 2.Kd2#
- 2.Ke2#
- 2.Kc4#
- 2.Kd4#
- 1...Sb5
- 2.Kd2#
- 2.Ke2#
- 2.Kc4#
- 2.Be6#
- 1...Se6
- 2.Kd2#
- 2.Ke2#
- 2.Kc4#
- 2.Bxe6#
- 1...Sf6
- 2.Rxg5#
- 1...Qxc5!
- threat
- 1.Sxg5?
- threat
- 2.Kd2#
- 2.Ke2#
- 2.Kc4#
- 1...Sxg5
- 2.Rxg5#
- 1...Be3
- 2.Ke2#
- 2.Kc4#
- 1...Bd4
- 2.Kd2#
- 2.Kc4#
- 1...Sf6!
- threat
- 1.Sf6?
- threat
- 2.Kd2#
- 2.Ke2#
- 1...Sxf6
- 2.Rxg5#
- 1...Be3
- 2.Ke2#
- 1...Bd4
- 2.Kd2#
- 1...Sd5!
- threat
- 1.Kd2?
- Keys
- 1.Sd2!
- threat
- 2.Ke2#
- 2.Kc4#
- 1...Rf6
- 2.Ke2#
- 1...Bd4
- 2.Kc4#
- 1...Sf6
- 2.Rxg5#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- B(c);XP(L)::S(H),XB(c)
- S(i);N_GUARD::B(E)
- S(i);N_GUARD::B(E),XS(i)
- S(j);N_GUARD::R1(M),XP(e)
- P(e);OGATE::P(G),XP(e)
- Tries
- Try
- K(F);P-FLIGHT
- Threat
- DUALS(5)
- Refutation
- B(c);CHECK
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(5)
- Refutation
- B(c);
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(5)
- Refutation
- S(j);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- P(a);XS(H)::QAB(B)+K(F),XP(a)
- R(k);::QAB(B)+K(F)
- S(j);N_GUARD::R1(M),XP(e)
- Refutation
- B(c);
- Try
- S(H);XB(c)
- Threat
- DUALS(4)
- Vars
- S(j);N_GUARD::R1(M),XP(e)
- Refutation
- Q(g);XS(H)
- Try
- S(H);XP(e)
- Threat
- DUALS(3)
- Vars
- S(j);OGATE,XS(H)::R1(M),XS(j)
- Refutation
- S(j);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(j);N_GUARD,XS(H)::R1(M),XP(e)
- B(c);::QAB(B)+K(F)
- Refutation
- S(i);
- Try
- Actual
- S(H);
- Threat
- DUALS(2)
- Vars
- R(k);::QAB(B)+K(F)
- B(c);::QAB(B)+K(F)
- S(j);N_GUARD::R1(M),XP(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).