MESON Chess Problem Database
Problem Display
PID: 243838 (5b2/8/4P1k1/4PNp1/5RNR/3K4/8/1Q6 w - - 0 1)
Chepizhni, Viktor Ivanovich
64 Shakhmatnoe obozrenie, 2006
#2
8 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Bh6
- 2.Rxh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...Ba3
- Tries
- 1.Sge3?
- 1...gxf4
- 2.Qg1#
- 1...Bh6
- 2.Rxh6#
- 1...g4
- 2.Rfxg4#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxh4!
- 1...gxf4
- 1.Sf6?
- 1...gxh4
- 2.Qg1#
- 1...g4
- 2.Rhxg4#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Bh6
- 2.Rxh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxf4!
- 1...gxh4
- 1.Se7+?
- 1...Kg7
- 2.Rf7#
- 1...Bxe7!
- 1...Kg7
- 1.Rf1?
- 1...Bh6
- 2.Rxh6#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxh4!
- 1...Bh6
- 1.Rf2?
- 1...Bh6
- 2.Rxh6#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxh4!
- 1...Bh6
- 1.Rf3?
- 1...Bh6
- 2.Rxh6#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxh4!
- 1...Bh6
- 1.Rh1?
- 1...Bh6
- 2.Rxh6#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxf4!
- 1...Bh6
- 1.Rh2?
- 1...Bh6
- 2.Rxh6#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxf4!
- 1...Bh6
- 1.Rh3?
- 1...Bh6
- 2.Rxh6#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxf4!
- 1...Bh6
- 1.Rh8?
- 1...Bh6
- 2.Rxh6#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxf4!
- 1...Bh6
- 1.Sge3?
- Keys
- 1.Qg1!
- 1...gxf4
- 2.Sge3#
- 1...gxh4
- 2.Sf6#
- 1...Bh6
- 2.Rxh6#
- 1...Ba3
- 2.Rh6#
- 1...Bb4
- 2.Rh6#
- 1...Bc5
- 2.Rh6#
- 1...Bd6
- 2.Rh6#
- 1...Be7
- 2.Rh6#
- 1...Bg7
- 2.Se7#
- 1...gxf4
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD,SBLOCK::S(G)
- Tries
- Try
- S(D);
- Vars
- P(a);OGATEB,XR(C)::QAR(A)
- B(c);N_GUARD::R1(E),XB(c)
- P(a);OGATEB::R(C),XP(a)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD,SBLOCK::S(G)
- Refutation
- P(a);XR(E)
- Try
- S(D);
- Vars
- P(a);OGATEB,XR(E)::QAR(A)
- P(a);OGATEB::R(E),XP(a)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD,SBLOCK::S(G)
- Refutation
- P(a);XR(C)
- Try
- S(G);CHECK
- Vars
- K(b);P-FLIGHT::R1(C)
- Refutation
- B(c);XS(G)
- Try
- R(C);
- Vars
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD,SBLOCK::S(G)
- Refutation
- P(a);XR(E)
- Try
- R(C);
- Vars
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD,SBLOCK::S(G)
- Refutation
- P(a);XR(E)
- Try
- R(C);
- Vars
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD,SBLOCK::S(G)
- Refutation
- P(a);XR(E)
- Try
- R(E);
- Vars
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD,SBLOCK::S(G)
- Refutation
- P(a);XR(C)
- Try
- R(E);
- Vars
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD,SBLOCK::S(G)
- Refutation
- P(a);XR(C)
- Try
- R(E);
- Vars
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD,SBLOCK::S(G)
- Refutation
- P(a);XR(C)
- Try
- R(E);
- Vars
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD,SBLOCK::S(G)
- Refutation
- P(a);XR(C)
- Try
- Actual
- Q(A);
- Vars
- P(a);XR(C)::QAR(A)+S(D)
- P(a);XR(E)::QAR(A)+S(D)
- B(c);N_GUARD::R1(E),XB(c)
- B(c);N_GUARD::R1(E)
- B(c);N_GUARD,SBLOCK::S(G)
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).