MESON Chess Problem Database
Problem Display
PID: 150513 (8/1nK1R3/1pp1N1Q1/1p1k3r/1PN1pp2/P2pb2b/8/BBr5 w - - 0 1)
Dyachuk, Vasyl Vasilovich
2nd Prize, Pachl-60 JT, 2011
#2
9 + 12
| 23 | Die Schwalbe | 2013 |
| 56 | The Problemist | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Kxc4
- 2.Ba2#
- 1...Bd2
- 2.Sxb6#
- 1...Bxe6
- 2.Qxe6#
- 1...Sc5
- 2.Sxb6#
- 1...d2
- 2.Qxe4#
- 1...f3
- 2.Sxe3#
- 1...c5
- 2.Sxb6#
- 1...Kxc4
- Tries
- 1.Sd4?
- threat
- 2.Sxb6#
- 2.Qxc6#
- 1...Kxc4
- 2.Ba2#
- 1...Rxc4
- 2.Qxe4#
- 1...Bxd4
- 2.Qxc6#
- 1...bxc4
- 2.Qxe4#
- 2.Qxc6#
- 1...Rh6
- 2.Sxb6#
- 1...Be6
- 2.Qxe6#
- 1...Bd7
- 2.Sxb6#
- 1...Sa5
- 2.Sxb6#
- 1...Sc5
- 2.Sxb6#
- 1...Sd6
- 2.Sxb6#
- 1...Sd8
- 2.Sxb6#
- 1...c5
- 2.Sxb6#
- 1...Rc3!
- threat
- 1.Sxf4+?
- 1...Kxc4
- 2.Ba2#
- 1...Bxf4+!
- 1...Kxc4
- 1.Sg5?
- threat
- 2.Qxe4#
- 2.Qxc6#
- 1...Kxc4
- 2.Ba2#
- 1...Rxc4
- 2.Re5#
- 1...Rc3
- 2.Qxe4#
- 1...Rh6
- 2.Qxe4#
- 1...Bd4
- 2.Qxc6#
- 1...Bc5
- 2.Qxe4#
- 1...Bg2
- 2.Qf7#
- 2.Qxc6#
- 2.Qe6#
- 2.Qg8#
- 1...Bf5
- 2.Qxc6#
- 1...Be6
- 2.Qxe4#
- 2.Qxe6#
- 1...Bd7
- 2.Qxe4#
- 1...Sa5
- 2.Qxe4#
- 1...Sc5
- 2.Sxb6#
- 1...Sd8
- 2.Qxe4#
- 1...c5
- 2.Sxb6#
- 2.Qxe4#
- 1...Sd6!
- threat
- 1.Rd7+?
- 1...Kxc4
- 2.Ba2#
- 1...Sd6!
- 1...Kxc4
- 1.Qxh5+?
- 1...Kxc4
- 2.Ba2#
- 1...Bf5!
- 1...Kxc4
- 1.Qf7?
- threat
- 2.Sxf4#
- 1...Kxc4
- 2.Ba2#
- 1...Bxe6
- 2.Qxe6#
- 1...f3
- 2.Sxe3#
- 2.Sf4#
- 1...Rc3!
- threat
- 1.Qg8?
- threat
- 2.Sxf4#
- 1...Kxc4
- 2.Ba2#
- 1...Bxe6
- 2.Qxe6#
- 1...f3
- 2.Sxe3#
- 2.Sf4#
- 1...Rc3!
- threat
- 1.Sd4?
- Keys
- 1.Sc5!
- threat
- 2.Sxb6#
- 2.Qxe4#
- 1...Kxc4
- 2.Ba2#
- 1...Rxc4
- 2.Qxc6#
- 1...Bxc5
- 2.Qxe4#
- 1...Sxc5
- 2.Sxb6#
- 1...bxc4
- 2.Qxe4#
- 2.Qxc6#
- 1...bxc5
- 2.Sb6#
- 2.Qxe4#
- 1...Rc3
- 2.Qxe4#
- 1...Re5
- 2.Sxb6#
- 1...Rf5
- 2.Sxb6#
- 2.Qe6#
- 1...Bd4
- 2.Sxb6#
- 1...Bg2
- 2.Sxb6#
- 2.Qf7#
- 2.Qe6#
- 2.Qg8#
- 1...Bf5
- 2.Sxb6#
- 1...Sd6
- 2.Sxb6#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 5
- Sets
- K(h);OGATEB,S_FLIGHT,XS(E)::B(B)
- B(c);N_GUARD::S(E),XP(j)
- B(d);OGATE,XS(F)::QAB1(G),XB(d)
- S(l);S_CUTB(c)::S(E),XP(j)
- P(b);::QAB1(G),XP(e)
- P(f);N_GUARD::S(E),XB(c)
- P(k);S_CUTB(c)::S(E),XP(j)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- K(h);OGATEB,S_FLIGHT,XS(E)::B(B)
- R(a);SBLOCK,XS(E)::QAB1(G),XP(e)
- B(c);XS(F)::QAB1(G),XP(k)
- R(i);::S(E),XP(j)
- B(d);N_GUARD::QAB1(G),XB(d)
- B(d);::S(E),XP(j)
- S(l);::S(E),XP(j)
- P(k);::S(E),XP(j)
- Refutation
- R(a);
- Try
- S(F);CHECK,XP(f)
- Vars
- K(h);S_FLIGHT,XS(E)::B(B)
- Refutation
- B(c);CHECK,XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- K(h);OGATEB,S_FLIGHT,XS(E)::B(B)
- R(a);SBLOCK,XS(E)::R1(I)
- R(a);::QAB1(G),XP(e)
- R(i);::QAB1(G),XP(e)
- B(c);::QAB1(G),XP(k)
- B(c);::QAB1(G),XP(e)
- B(d);::QAB1(G),XP(k)
- B(d);::QAB1(G),XP(e)
- S(l);::QAB1(G),XP(e)
- S(l);S_CUTB(c)::S(E),XP(j)
- Refutation
- S(l);
- Try
- R(I);CHECK
- Vars
- K(h);S_FLIGHT,XS(E)::B(B)
- Refutation
- S(l);P_SPINS(l)
- Try
- Q(G);CHECK,XR(i)
- Vars
- K(h);S_FLIGHT,XS(E)::B(B)
- Refutation
- B(d);P_SPINB(d)
- Try
- Q(G);
- Threat
- QAB(G)+S(F),DCHECK,XP(f)
- Vars
- K(h);OGATEB,S_FLIGHT,XS(E)::B(B)
- B(d);OGATE,P_SPINB(d),XS(F)::QAB1(G),XB(d)
- Refutation
- R(a);
- Try
- Q(G);
- Threat
- QAB(G)+S(F),DCHECK,XP(f)
- Vars
- K(h);OGATEB,S_FLIGHT,XS(E)::B(B)
- B(d);OGATE,P_SPINB(d),XS(F)::QAB1(G),XB(d)
- Refutation
- R(a);
- Try
- Actual
- S(F);
- Threat
- DUALS(2)
- Vars
- K(h);OGATEB,S_FLIGHT,XS(E)::B(B)
- R(a);SBLOCK,XS(E)::QAB1(G),XP(k)
- B(c);XS(F)::QAB1(G),XP(e)
- S(l);XS(F)::S(E),XP(j)
- R(a);::QAB1(G),XP(e)
- R(i);::S(E),XP(j)
- B(c);::S(E),XP(j)
- B(d);::S(E),XP(j)
- S(l);::S(E),XP(j)
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).