MESON Chess Problem Database
Problem Display
PID: 86784 (B5b1/8/2p5/6Bk/1p3K2/1Rp5/Rp6/1Q6 w - - 0 1)
Chepizhni, Viktor Ivanovich
1st HM., The Problemist, 1991
#2
6 + 6
| 6167 | Viktor Chepizhny | 2007 |
| 6490 | yacpdb | 2009 |
| 133 | The Problemist Supplement | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Bxb3
- 2.Qh7#
- 1...Bc4
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 1...Bh7
- 2.Qxh7#
- 1...c5
- 2.Bf3#
- 1...Bxb3
- Tries
- 1.Bxc6?
- threat
- 2.Bf3#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...c2!
- threat
- 1.Bb7?
- 1...Bxb3
- 2.Qh7#
- 1...Bc4
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 1...Bh7
- 2.Qxh7#
- 1...c5
- 2.Bf3#
- 1...c2!
- 1...Bxb3
- 1.Raxb2?
- threat
- 2.Rh2#
- 1...cxb2
- 2.Rh3#
- 1...Be6
- 2.Qh7#
- 1...c2!
- threat
- 1.Ra4?
- 1...Bxb3
- 2.Qh7#
- 1...Bc4
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 1...Bh7
- 2.Qxh7#
- 1...c5
- 2.Bf3#
- 1...c2!
- 1...Bxb3
- 1.Ra5?
- 1...Bxb3
- 2.Qh7#
- 1...Bc4
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 1...Bh7
- 2.Qxh7#
- 1...c5
- 2.Bf3#
- 1...c2!
- 1...Bxb3
- 1.Ra6?
- 1...Bxb3
- 2.Qh7#
- 1...Bc4
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 1...Bh7
- 2.Qxh7#
- 1...c5
- 2.Bf3#
- 2.Rh6#
- 2.Qg6#
- 2.Qd1#
- 2.Qh1#
- 1...c2!
- 1...Bxb3
- 1.Ra7?
- 1...Bxb3
- 2.Rh7#
- 2.Qh7#
- 1...Bc4
- 2.Rh7#
- 2.Qh7#
- 1...Bd5
- 2.Rh7#
- 2.Qh7#
- 1...Be6
- 2.Rh7#
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 1...Bh7
- 2.Rxh7#
- 2.Qxh7#
- 1...c5
- 2.Bf3#
- 1...c2!
- 1...Bxb3
- 1.Rxc3?
- threat
- 2.Rh3#
- 1...Be6
- 2.Qh7#
- 1...bxc3!
- threat
- 1.Rxb4?
- 1...Bxa2
- 2.Qh7#
- 1...Bb3
- 2.Qh7#
- 1...Bc4
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 1...Bh7
- 2.Qxh7#
- 1...c5
- 2.Bf3#
- 1...c2!
- 1...Bxa2
- 1.Qd3?
- 1...Bxb3
- 2.Qh7#
- 1...b1Q
- 2.Rh2#
- 1...b1S
- 2.Rh2#
- 1...b1B
- 2.Rh2#
- 1...b1R
- 2.Rh2#
- 1...Bc4
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 1...Bh7
- 2.Qxh7#
- 1...c5
- 2.Bf3#
- 1...c2!
- 1...Bxb3
- 1.Qe4?
- 1...Bxb3
- 2.Qh7#
- 1...b1Q
- 2.Rh2#
- 1...b1S
- 2.Rh2#
- 1...b1B
- 2.Rh2#
- 1...b1R
- 2.Rh2#
- 1...Bc4
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 1...Bh7
- 2.Qxh7#
- 1...c2
- 2.Rh3#
- 1...c5!
- 1...Bxb3
- 1.Bxc6?
- Keys
- 1.Qf5!
- 1...Bxb3
- 2.Qh7#
- 1...b1Q
- 2.Rh2#
- 1...b1S
- 2.Rh2#
- 1...b1B
- 2.Rh2#
- 1...b1R
- 2.Rh2#
- 1...Bc4
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 1...Be6
- 2.Qh7#
- 1...Bf7
- 2.Qh7#
- 2.Qxf7#
- 1...Bh7
- 2.Qxh7#
- 1...c2
- 2.Rh3#
- 1...c5
- 2.Bf3#
- 1...Bxb3
- 1.Qf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- B(f);N_GUARD,XR(C)::QAR2(A)
- B(f);N_GUARD::QAR2(A)
- B(f);N_GUARD::QAR2(A),XB(f)
- P(e);OGATE::B(F)
- Tries
- Try
- B(F);XP(e)
- Threat
- B(F)
- Vars
- B(f);N_GUARD::QAR2(A)
- Refutation
- P(b);
- Try
- B(F);
- Vars
- B(f);N_GUARD,XR(C)::QAR2(A)
- B(f);N_GUARD::QAR2(A)
- B(f);N_GUARD::QAR2(A),XB(f)
- P(e);OGATE::B(F)
- Refutation
- P(b);
- Try
- R(B);XP(a)
- Threat
- R(B)
- Vars
- P(b);OGATE,XR(B)::R(C)
- B(f);N_GUARD::QAR2(A)
- Refutation
- P(b);
- Try
- R(B);
- Vars
- B(f);N_GUARD,XR(C)::QAR2(A)
- B(f);N_GUARD::QAR2(A)
- B(f);N_GUARD::QAR2(A),XB(f)
- P(e);OGATE::B(F)
- Refutation
- P(b);
- Try
- R(B);
- Vars
- B(f);N_GUARD,XR(C)::QAR2(A)
- B(f);N_GUARD::QAR2(A)
- B(f);N_GUARD::QAR2(A),XB(f)
- P(e);OGATE::B(F)
- Refutation
- P(b);
- Try
- R(B);
- Vars
- B(f);N_GUARD,XR(C)::QAR2(A)
- B(f);N_GUARD::QAR2(A)
- B(f);N_GUARD::QAR2(A),XB(f)
- Refutation
- P(b);
- Try
- R(B);
- Vars
- B(f);N_GUARD::QAR2(A)
- P(e);OGATE::B(F)
- Refutation
- P(b);
- Try
- R(C);XP(b)
- Threat
- R(C)
- Vars
- B(f);N_GUARD::QAR2(A)
- Refutation
- P(c);XR(C)
- Try
- R(C);XP(c)
- Vars
- B(f);N_GUARD,XR(B)::QAR2(A)
- B(f);N_GUARD::QAR2(A)
- B(f);N_GUARD::QAR2(A),XB(f)
- P(e);OGATE::B(F)
- Refutation
- P(b);
- Try
- Q(A);
- Vars
- B(f);N_GUARD,XR(C)::QAR2(A)
- P(a);OGATE::R(B)
- B(f);N_GUARD::QAR2(A)
- B(f);N_GUARD::QAR2(A),XB(f)
- P(e);OGATE::B(F)
- Refutation
- P(b);
- Try
- Q(A);
- Vars
- B(f);N_GUARD,XR(C)::QAR2(A)
- P(a);OGATE::R(B)
- B(f);N_GUARD::QAR2(A)
- B(f);N_GUARD::QAR2(A),XB(f)
- P(b);OGATE::R(C)
- Refutation
- P(e);
- Try
- Actual
- Q(A);
- Vars
- B(f);N_GUARD,XR(C)::QAR2(A)
- P(a);OGATE::R(B)
- B(f);N_GUARD::QAR2(A)
- B(f);N_GUARD::QAR2(A),XB(f)
- P(b);OGATE::R(C)
- P(e);OGATE::B(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).