MESON Chess Problem Database
Problem Display
PID: 142093 (8/8/4pK2/5bR1/p4kN1/p6p/Qn5P/B4N1B w - - 0 1)
Chepizhni, Viktor Ivanovich
1st HM., Springaren, 1996
#2
8 + 7
| 6167 | Viktor Chepizhny | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Be5#
- 1...Sd3
- 2.Qd2#
- 1...Sc4
- 2.Qf2#
- 1...Sd1
- Tries
- 1.Sg3?
- threat
- 2.Se2#
- 2.Sh5#
- 1...Bd3
- 2.Sh5#
- 1...Bg6
- 2.Se2#
- 1...Bxg4!
- threat
- 1.Sf2?
- 1...Bb1
- 2.Sxh3#
- 2.Rg4#
- 1...Bc2
- 2.Sxh3#
- 2.Rg4#
- 1...Bd3
- 2.Sxh3#
- 2.Rg4#
- 1...Be4
- 2.Sxh3#
- 2.Rg4#
- 1...Bg4
- 2.Rxg4#
- 1...Bg6
- 2.Sxh3#
- 2.Rg4#
- 1...Bh7
- 2.Sxh3#
- 2.Rg4#
- 1...Sd1
- 2.Be5#
- 1...Sd3
- 2.Qd2#
- 1...e5
- 2.Rxf5#
- 1...Sc4!
- 1...Bb1
- 1.Sge3?
- 1...Bb1
- 2.Rg4#
- 1...Bc2
- 2.Rg4#
- 1...Bd3
- 2.Rg4#
- 1...Be4
- 2.Rg4#
- 1...Bg4
- 2.Rxg4#
- 1...Bg6
- 2.Rg4#
- 1...Bh7
- 2.Rg4#
- 1...Sd1
- 2.Be5#
- 1...Sc4
- 2.Qf2#
- 1...e5
- 2.Sd5#
- 2.Rxf5#
- 1...Sd3!
- 1...Bb1
- 1.Se5?
- 1...Bb1
- 2.Rg4#
- 1...Bc2
- 2.Rg4#
- 1...Bd3
- 2.Rg4#
- 1...Be4
- 2.Rg4#
- 1...Bg4
- 2.Sg6#
- 2.Rxg4#
- 1...Bg6
- 2.Sxg6#
- 2.Rg4#
- 1...Bh7
- 2.Rg4#
- 1...Sd3
- 2.Qd2#
- 1...Sc4
- 2.Qf2#
- 1...Sd1!
- 1...Bb1
- 1.Bxb2?
- threat
- 2.Bc1#
- 2.Be5#
- 1...e5
- 2.Bc1#
- 2.Bxe5#
- 1...axb2!
- threat
- 1.Qc4+?
- 1...Be4
- 2.Qc1#
- 2.Qxe4#
- 1...Sxc4!
- 1...Be4
- 1.Qd5?
- threat
- 2.Qf3#
- 2.Qd2#
- 2.Qe5#
- 1...Bxg4
- 2.Qe4#
- 2.Qd2#
- 2.Qd4#
- 2.Qe5#
- 1...Bd3
- 2.Qf3#
- 2.Qe5#
- 1...Be4
- 2.Qxe4#
- 2.Qd2#
- 2.Qe5#
- 1...Sd1
- 2.Be5#
- 2.Qf3#
- 2.Qe5#
- 1...Sd3
- 2.Qf3#
- 1...Sc4
- 2.Qf3#
- 1...e5
- 2.Qf3#
- 2.Qd2#
- 2.Qxe5#
- 1...exd5!
- threat
- 1.Qxe6?
- threat
- 2.Qxf5#
- 2.Qe3#
- 2.Qe5#
- 2.Qd6#
- 1...Bxg4
- 2.Rxg4#
- 2.Qxg4#
- 2.Qe3#
- 2.Qe4#
- 2.Qe5#
- 2.Qd6#
- 1...Bb1
- 2.Qe3#
- 2.Qe5#
- 2.Qd6#
- 1...Bc2
- 2.Qe3#
- 2.Qe5#
- 2.Qd6#
- 1...Bd3
- 2.Qe3#
- 2.Qe5#
- 2.Qd6#
- 1...Be4
- 2.Qxe4#
- 2.Qe5#
- 2.Qd6#
- 1...Bg6
- 2.Qe3#
- 2.Qe5#
- 2.Qd6#
- 1...Bh7
- 2.Qe3#
- 2.Qe5#
- 2.Qd6#
- 1...Sd1
- 2.Be5#
- 2.Qxf5#
- 2.Qe5#
- 2.Qd6#
- 1...Sd3
- 2.Qxf5#
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Bxe6!
- threat
- 1.Qxb2?
- threat
- 2.Qc1#
- 2.Qe5#
- 2.Qd2#
- 2.Qf2#
- 1...Bxg4
- 2.Qc1#
- 2.Qd4#
- 2.Qe5#
- 2.Qd2#
- 2.Qb4#
- 1...Bc2
- 2.Qc1#
- 2.Qe5#
- 1...Be4
- 2.Qc1#
- 2.Qe5#
- 2.Qd2#
- 1...e5
- 2.Qc1#
- 2.Qxe5#
- 2.Qd2#
- 2.Qf2#
- 1...axb2!
- threat
- 1.Sg3?
- Keys
- 1.Sh6!
- 1...Bb1
- 2.Rg4#
- 1...Bc2
- 2.Rg4#
- 1...Bd3
- 2.Rg4#
- 1...Be4
- 2.Rg4#
- 1...Bg4
- 2.Rxg4#
- 1...Bg6
- 2.Rg4#
- 1...Bh7
- 2.Rg4#
- 1...Sd1
- 2.Be5#
- 1...Sd3
- 2.Qd2#
- 1...Sc4
- 2.Qf2#
- 1...e5
- 2.Rxf5#
- 1...Bb1
- 1.Sh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(a);OGATE::B(A)
- S(a);OGATE::QAB(D)
- S(a);OGATE::QAR2(D)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(f);::S(B)
- Refutation
- B(f);XS(F)
- Try
- S(F);
- Vars
- B(f);N_GUARD::R1(G),XB(f)
- S(a);OGATE::B(A)
- S(a);OGATE::QAB(D)
- P(g);N_GUARD::R1(G),XB(f)
- Refutation
- S(a);
- Try
- S(F);
- Vars
- B(f);N_GUARD::R1(G)
- B(f);N_GUARD::R1(G),XB(f)
- S(a);OGATE::B(A)
- S(a);OGATE::QAR2(D)
- Refutation
- S(a);
- Try
- S(F);
- Vars
- B(f);N_GUARD::R1(G)
- S(a);OGATE::QAB(D)
- S(a);OGATE::QAR2(D)
- Refutation
- S(a);
- Try
- B(A);XS(a)
- Threat
- DUALS(2)
- Refutation
- P(b);XB(A)
- Try
- Q(D);CHECK
- Refutation
- S(a);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- S(a);::QAR1(D)
- Refutation
- P(g);XQ(D)
- Try
- Q(D);XP(g)
- Threat
- DUALS(4)
- Vars
- S(a);::QAR1(D),XB(f)
- Refutation
- B(f);XQ(D)
- Try
- Q(D);XS(a)
- Threat
- DUALS(4)
- Refutation
- P(b);XQ(D)
- Try
- Actual
- S(F);
- Vars
- B(f);N_GUARD::R1(G)
- B(f);N_GUARD::R1(G),XB(f)
- S(a);OGATE::B(A)
- S(a);OGATE::QAB(D)
- S(a);OGATE::QAR2(D)
- P(g);N_GUARD::R1(G),XB(f)
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).