MESON Chess Problem Database
Problem Display
PID: 59512 (2n4K/2R1p3/2n1Np2/2PkBP2/2p1p1N1/b7/3P4/3Q3b w - - 0 1)
Chepizhni, Viktor Ivanovich
1st Prize, The Problemist, 2005/I
#2
9 + 9
| 145 | StrateGems | 2007 |
| 56 | The Problemist | 2007 |
| 6167 | Viktor Chepizhny | 2007 |
| 23 | Die Schwalbe | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Bxc5
- 2.Sf4#
- 1...Sb4
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Sa5
- 2.Sf4#
- 1...Sxe5
- 2.Se3#
- 1...S6a7
- 2.Sf4#
- 1...Sb8
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...S8a7
- 2.Rd7#
- 1...c3
- 2.Qb3#
- 1...e3
- 2.Qxh1#
- 1...fxe5
- 2.Se3#
- 1...Bxc5
- Tries
- 1.Bh2?
- threat
- 2.Se3#
- 1...e3
- 2.Qxh1#
- 1...Bxc5!
- threat
- 1.Bc3?
- threat
- 2.Se3#
- 1...e3
- 2.Qxh1#
- 1...Sd4
- 2.Sf4#
- 1...Bxc5!
- threat
- 1.Bg3?
- threat
- 2.Se3#
- 1...e3
- 2.Qxh1#
- 1...Bxc5!
- threat
- 1.Bd4?
- threat
- 2.Se3#
- 1...Sxd4
- 2.Sf4#
- 1...e3
- 2.Qxh1#
- 1...Bxc5!
- threat
- 1.Bf4?
- threat
- 2.Se3#
- 1...e3
- 2.Qxh1#
- 1...Bxc5!
- threat
- 1.Qa1?
- threat
- 2.Se3#
- 1...Bxc5
- 2.Sf4#
- 1...c3
- 2.Qa2#
- 1...e3
- 2.Qxh1#
- 1...Sd4
- 2.Sf4#
- 2.Qxd4#
- 1...Bb2!
- threat
- 1.Qg1?
- threat
- 2.Sf4#
- 1...fxe5
- 2.Se3#
- 1...e3
- 2.Qxh1#
- 1...c3!
- threat
- 1.d4?
- threat
- 2.Se3#
- 2.Sf4#
- 1...Sxd4
- 2.Sf4#
- 2.Qxd4#
- 1...fxe5
- 2.Se3#
- 1...cxd4 ep
- 2.Qb3#
- 1...exd4 ep
- 2.Qxh1#
- 1...c3
- 2.Se3#
- 2.Qb3#
- 1...e3
- 2.Qxh1#
- 1...Bc1!
- threat
- 1.Bh2?
- Keys
- 1.Qa4!
- threat
- 2.Qxc6#
- 1...Sxe5
- 2.Se3#
- 1...Sb4
- 2.Sf4#
- 1...Sd4
- 2.Sf4#
- 1...Sa5
- 2.Sf4#
- 1...S6a7
- 2.Sf4#
- 1...Sb8
- 2.Sf4#
- 1...Sd8
- 2.Sf4#
- 1...S8a7
- 2.Rd7#
- 1...c3
- 2.Qb3#
- threat
- 1.Qa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(b);SBLOCK,XP(D)::S(G)
- S(f);::S(G)
- S(f);SBLOCK,XB(E)::S(C)
- S(i);N_GUARD::R(H)
- P(c);OGATEB::QAB(A)
- P(d);OGATEB::QAB(A),XB(a)
- P(g);SBLOCK,XB(E)::S(C)
- Tries
- Try
- B(E);
- Threat
- S(C)
- Vars
- P(d);OGATEB::QAB(A),XB(a)
- Refutation
- B(b);XP(D)
- Try
- B(E);
- Threat
- S(C)
- Vars
- P(d);OGATEB::QAB(A),XB(a)
- S(f);::S(G)
- Refutation
- B(b);XP(D)
- Try
- B(E);
- Threat
- S(C)
- Vars
- P(d);OGATEB::QAB(A),XB(a)
- Refutation
- B(b);XP(D)
- Try
- B(E);
- Threat
- S(C)
- Vars
- S(f);SBLOCK,XB(E)::S(G)
- P(d);OGATEB::QAB(A),XB(a)
- Refutation
- B(b);XP(D)
- Try
- B(E);
- Threat
- S(C)
- Vars
- P(d);OGATEB::QAB(A),XB(a)
- Refutation
- B(b);XP(D)
- Try
- Q(A);
- Threat
- S(C)
- Vars
- B(b);SBLOCK,XP(D)::S(G)
- P(c);OGATEB::QAB(A)
- P(d);OGATEB::QAB(A),XB(a)
- Refutation
- B(b);
- Try
- Q(A);
- Threat
- S(G)
- Vars
- P(g);SBLOCK,XB(E)::S(C)
- P(d);OGATEB::QAB(A),XB(a)
- Refutation
- P(c);
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- P(g);XB(E)::S(C)
- P(c);EP,OGATEB,P_SPINP(c),XP(B)::QAB(A)
- P(d);EP,OGATEB,P_SPINP(d),XP(B)::QAB(A),XB(a)
- P(d);OGATEB::QAB(A),XB(a)
- Refutation
- B(b);
- Try
- Actual
- Q(A);
- Threat
- QAB1(A),XS(f)
- Vars
- S(f);SBLOCK,XB(E)::S(C)
- S(f);::S(G)
- S(i);N_GUARD::R(H)
- P(c);OGATEB::QAB(A)
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).