MESON Chess Problem Database
Problem Display
PID: 141460 (8/8/8/K2ppn1B/4kbQ1/4B3/2P1N2p/1n3N1b w - - 0 1)
Chepizhni, Viktor Ivanovich
HM., Tijdschrift vd KNSB, 1961
#2
7 + 8
| 6167 | Viktor Chepizhny | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sxe3
- 2.Sfg3#
- 1...Sg3
- 2.Sexg3#
- 1...Sd4
- 2.Seg3#
- 1...Sh4
- 2.Seg3#
- 1...Sd6
- 2.Seg3#
- 1...Sh6
- 2.Seg3#
- 1...Se7
- 2.Seg3#
- 1...Sg7
- 2.Seg3#
- 1...Bg2
- Tries
- 1.Ka4?
- 1...Sc3+
- 2.Sxc3#
- 1...Sxe3
- 2.Sfg3#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sg3
- 2.Sexg3#
- 1...Sd4
- 2.Seg3#
- 1...Sh4
- 2.Seg3#
- 1...Sd6
- 2.Seg3#
- 1...Sh6
- 2.Seg3#
- 1...Se7
- 2.Seg3#
- 1...Sg7
- 2.Seg3#
- 1...d4!
- 1...Sc3+
- 1.Kb4?
- 1...Sxe3
- 2.Sfg3#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sexg3#
- 1...Sd4
- 2.Seg3#
- 1...Sh4
- 2.Seg3#
- 1...Sd6
- 2.Seg3#
- 1...Sh6
- 2.Seg3#
- 1...Se7
- 2.Seg3#
- 1...Sg7
- 2.Seg3#
- 1...d4!
- 1...Sxe3
- 1.Ka6?
- 1...Sxe3
- 2.Sfg3#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sexg3#
- 1...Sd4
- 2.Seg3#
- 1...Sh4
- 2.Seg3#
- 1...Sd6
- 2.Seg3#
- 1...Sh6
- 2.Seg3#
- 1...Se7
- 2.Seg3#
- 1...Sg7
- 2.Seg3#
- 1...d4!
- 1...Sxe3
- 1.Kb6?
- 1...Sxe3
- 2.Sfg3#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sexg3#
- 1...Sd4
- 2.Seg3#
- 1...Sh4
- 2.Seg3#
- 1...Sd6
- 2.Seg3#
- 1...Sh6
- 2.Seg3#
- 1...Se7
- 2.Seg3#
- 1...Sg7
- 2.Seg3#
- 1...d4!
- 1...Sxe3
- 1.Bf2?
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sxd2#
- 2.Sc3#
- 1...Sa3
- 2.Sd2#
- 2.Sc3#
- 1...Sc3
- 2.Sd2#
- 2.Sxc3#
- 1...Se3
- 2.Sfg3#
- 1...Sg3
- 2.Sfxg3#
- 2.Sexg3#
- 1...Sd4
- 2.Sfg3#
- 2.Seg3#
- 1...Sh4
- 2.Sfg3#
- 2.Seg3#
- 1...Sd6
- 2.Sfg3#
- 2.Seg3#
- 1...Sh6
- 2.Sfg3#
- 2.Seg3#
- 1...Se7
- 2.Sfg3#
- 2.Seg3#
- 1...Sg7
- 2.Sfg3#
- 2.Seg3#
- 1...d4!
- 1...Bg2
- 1.Bxf4?
- threat
- 2.Bc1#
- 2.Bd2#
- 2.Bxh2#
- 2.Be3#
- 2.Bg3#
- 2.Bg5#
- 2.Bh6#
- 1...exf4
- 2.Qxf4#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sxd2#
- 2.Bxd2#
- 2.Bxh2#
- 2.Be3#
- 2.Bg3#
- 2.Bg5#
- 2.Bh6#
- 1...Se3
- 2.Sfg3#
- 2.Bxe3#
- 1...Sg3
- 2.Sfxg3#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bxg3#
- 2.Bg5#
- 2.Bh6#
- 1...Sh6
- 2.Sfg3#
- 2.Bxh6#
- 1...d4!
- threat
- 1.Bc5?
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sxd2#
- 2.Sc3#
- 1...Sa3
- 2.Sd2#
- 2.Sc3#
- 1...Sc3
- 2.Sd2#
- 2.Sxc3#
- 1...Se3
- 2.Sfg3#
- 2.Seg3#
- 1...Sg3
- 2.Sfxg3#
- 2.Sexg3#
- 1...Sd4
- 2.Seg3#
- 1...Sh4
- 2.Sfg3#
- 2.Seg3#
- 1...Sd6
- 2.Sfg3#
- 2.Seg3#
- 1...Sh6
- 2.Sfg3#
- 2.Seg3#
- 1...Se7
- 2.Sfg3#
- 2.Seg3#
- 1...Sg7
- 2.Sfg3#
- 2.Seg3#
- 1...d4!
- 1...Bg2
- 1.Bb6?
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sxd2#
- 2.Sc3#
- 1...Sa3
- 2.Sd2#
- 2.Sc3#
- 1...Sc3
- 2.Sd2#
- 2.Sxc3#
- 1...Se3
- 2.Sfg3#
- 2.Seg3#
- 1...Sg3
- 2.Sfxg3#
- 2.Sexg3#
- 1...Sd4
- 2.Seg3#
- 1...Sh4
- 2.Sfg3#
- 2.Seg3#
- 1...Sd6
- 2.Sfg3#
- 2.Seg3#
- 1...Sh6
- 2.Sfg3#
- 2.Seg3#
- 1...Se7
- 2.Sfg3#
- 2.Seg3#
- 1...Sg7
- 2.Sfg3#
- 2.Seg3#
- 1...d4!
- 1...Bg2
- 1.Ba7?
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sxd2#
- 2.Sc3#
- 1...Sa3
- 2.Sd2#
- 2.Sc3#
- 1...Sc3
- 2.Sd2#
- 2.Sxc3#
- 1...Se3
- 2.Sfg3#
- 2.Seg3#
- 1...Sg3
- 2.Sfxg3#
- 2.Sexg3#
- 1...Sd4
- 2.Seg3#
- 1...Sh4
- 2.Sfg3#
- 2.Seg3#
- 1...Sd6
- 2.Sfg3#
- 2.Seg3#
- 1...Sh6
- 2.Sfg3#
- 2.Seg3#
- 1...Se7
- 2.Sfg3#
- 2.Seg3#
- 1...Sg7
- 2.Sfg3#
- 2.Seg3#
- 1...d4!
- 1...Bg2
- 1.Be8?
- 1...Sxe3
- 2.Sfg3#
- 1...d4
- 2.Bc6#
- 1...Bg2
- 2.Qxg2#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg3
- 2.Sexg3#
- 1...Sd4
- 2.Seg3#
- 1...Sh4
- 2.Seg3#
- 1...Sd6
- 2.Seg3#
- 1...Sh6
- 2.Seg3#
- 1...Se7
- 2.Seg3#
- 1...Sg7
- 2.Seg3#
- 1...Bf3!
- 1...Sxe3
- 1.Qg6?
- 1...Bxe3
- 2.Sfg3#
- 1...d4
- 2.Qc6#
- 1...Bg2
- 2.Qxg2#
- 1...Bg3
- 2.Sexg3#
- 1...Bg5
- 2.Seg3#
- 1...Bh6
- 2.Seg3#
- 1...Sd2
- 2.Sc3#
- 1...Sa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Bf3!
- 1...Bxe3
- 1.Ka4?
- Keys
- 1.Bd4!
- 1...Sxd4
- 2.Seg3#
- 1...exd4
- 2.Qxf4#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.Qxf3#
- 1...Sd2
- 2.Sxd2#
- 1...Sa3
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...Se3
- 2.Sfg3#
- 1...Sg3
- 2.Sfxg3#
- 1...Sh4
- 2.Sfg3#
- 1...Sd6
- 2.Sfg3#
- 1...Sh6
- 2.Sfg3#
- 1...Se7
- 2.Sfg3#
- 1...Sg7
- 2.Sfg3#
- 1...Sxd4
- 1.Bd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 9
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(h);N_GUARD,SBLOCK,XB(D)::S(A)
- S(h);N_GUARD::S(C),XS(h)
- S(h);N_GUARD::S(C)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::S(C),XS(a)
- S(h);N_GUARD,SBLOCK,XB(D)::S(A)
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(a);N_GUARD::S(C)
- S(h);N_GUARD::S(C),XS(h)
- S(h);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- K(F);S_FLIGHT
- Vars
- S(h);N_GUARD,SBLOCK,XB(D)::S(A)
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(h);N_GUARD::S(C),XS(h)
- S(h);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- K(F);P-FLIGHT
- Vars
- S(h);N_GUARD,SBLOCK,XB(D)::S(A)
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(h);N_GUARD::S(C),XS(h)
- S(h);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- K(F);S_FLIGHT
- Vars
- S(h);N_GUARD,SBLOCK,XB(D)::S(A)
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(h);N_GUARD::S(C),XS(h)
- S(h);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- B(D);
- Vars
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(h);N_GUARD::S(A)
- Refutation
- P(f);
- Try
- B(D);XB(e)
- Threat
- DUALS(7)
- Vars
- P(g);OGATE,P_SPINP(g),XB(D)::QAR1(E),XP(g)
- B(b);N_GUARD::QAB1(E),XB(b)
- Refutation
- P(f);
- Try
- B(D);
- Vars
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(h);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- B(D);
- Vars
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(h);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- B(D);
- Vars
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(h);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- B(G);
- Vars
- S(h);N_GUARD,SBLOCK,XB(D)::S(A)
- P(f);OGATEB::B(G)
- B(b);N_GUARD::QAB(E),XB(b)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(h);N_GUARD::S(C),XS(h)
- S(h);N_GUARD::S(C)
- Refutation
- B(b);
- Try
- Q(E);N_PINB(e),P_PINS(h)
- Vars
- B(e);N_GUARD,SBLOCK,XB(D)::S(A)
- P(f);OGATEB::QAB(E)
- B(b);N_GUARD::QAB(E),XB(b)
- B(e);N_GUARD::S(C),XB(e)
- B(e);N_GUARD::S(C)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- B(b);
- Try
- Actual
- B(D);
- Vars
- S(h);N_GUARD,SBLOCK,XB(D)::S(C)
- P(g);N_GUARD,XB(D)::QAR1(E),XB(e)
- B(b);N_GUARD::QAB(E),XB(b)
- B(b);N_GUARD::QAB1(E),XB(b)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- S(h);N_GUARD::S(A)
- S(h);N_GUARD::S(A),XS(h)
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).