MESON Chess Problem Database
Problem Display
PID: 138853 (3r4/6R1/R1nk1p2/Q3NP2/4bN2/b4p2/1n2pP2/4B1K1 w - - 0 1)
Chepizhni, Viktor Ivanovich
3rd Prize, Shakhmaty, 1960
#2
9 + 9
| 6167 | Viktor Chepizhny | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rh8
- 2.Rd7#
- 1...Bb4
- 2.Bxb4#
- 1...Bc5
- 2.Qc7#
- 1...Bb1
- 2.Rxc6#
- 2.Qd5#
- 1...Bc2
- 2.Rxc6#
- 2.Qd5#
- 1...Bd3
- 2.Rxc6#
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bxf5
- 2.Rxc6#
- 2.Qd5#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...fxe5
- 2.Qxa3#
- 1...Rd7
- Tries
- 1.Kh1?
- 1...Bxf5
- 2.Rxc6#
- 2.Qd5#
- 1...fxe5
- 2.Qxa3#
- 1...Bc5
- 2.Qc7#
- 1...Bd5
- 2.Qxd5#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rg8
- 2.Rd7#
- 1...Bb4
- 2.Bxb4#
- 1...Bb1
- 2.Rxc6#
- 2.Qd5#
- 1...Bc2
- 2.Rxc6#
- 2.Qd5#
- 1...Bd3
- 2.Rxc6#
- 2.Qd5#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Rh8+!
- 1...Bxf5
- 1.Kh2?
- 1...Bxf5
- 2.Rxc6#
- 2.Qd5#
- 1...fxe5
- 2.Qxa3#
- 1...Bc5
- 2.Qc7#
- 1...Bd5
- 2.Qxd5#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rg8
- 2.Rd7#
- 1...Bb4
- 2.Bxb4#
- 1...Bb1
- 2.Rxc6#
- 2.Qd5#
- 1...Bc2
- 2.Rxc6#
- 2.Qd5#
- 1...Bd3
- 2.Rxc6#
- 2.Qd5#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Rh8+!
- 1...Bxf5
- 1.Sfd3?
- threat
- 2.Qxd8#
- 1...Bxd3
- 2.Rxc6#
- 1...Bxf5
- 2.Rxc6#
- 1...Sxd3
- 2.Sc4#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rh8
- 2.Rd7#
- 1...Rg8!
- threat
- 1.Se6?
- 1...Bxf5
- 2.Rxc6#
- 1...fxe5
- 2.Qxd8#
- 1...Bc5
- 2.Qxc5#
- 1...Bd5
- 2.Qc7#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rh8
- 2.Rd7#
- 1...Bb4
- 2.Bxb4#
- 1...Bb1
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bd3
- 2.Rxc6#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Rg8!
- 1...Bxf5
- 1.Raa7?
- threat
- 2.Sf7#
- 1...Sxe5
- 2.Qc7#
- 1...Sxa7
- 2.Qc7#
- 1...fxe5
- 2.Rg6#
- 1...Bd5
- 2.Qxd5#
- 1...Rd7
- 2.Raxd7#
- 2.Rgxd7#
- 1...Rf8
- 2.Rad7#
- 2.Rgd7#
- 1...Sb4
- 2.Qc7#
- 1...Sd4
- 2.Qc7#
- 1...Se7
- 2.Qc7#
- 1...Sb8
- 2.Qc7#
- 1...Sxa5!
- threat
- 1.Rga7?
- threat
- 2.Sf7#
- 1...fxe5
- 2.Qxa3#
- 1...Rd7
- 2.Rxd7#
- 1...Bd5
- 2.Qxd5#
- 1...Rf8
- 2.Rd7#
- 1...Rg8+!
- threat
- 1.Rb7?
- threat
- 2.Sf7#
- 1...fxe5
- 2.Qxa3#
- 1...Rd7
- 2.Rxd7#
- 1...Bd5
- 2.Qxd5#
- 1...Rf8
- 2.Rd7#
- 1...Rg8+!
- threat
- 1.Rf7?
- 1...Bxf5
- 2.Rxc6#
- 2.Qd5#
- 1...fxe5
- 2.Qxa3#
- 1...Bc5
- 2.Qc7#
- 1...Bd5
- 2.Qxd5#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rh8
- 2.Rd7#
- 1...Bb4
- 2.Bxb4#
- 1...Bb1
- 2.Rxc6#
- 2.Qd5#
- 1...Bc2
- 2.Rxc6#
- 2.Qd5#
- 1...Bd3
- 2.Rxc6#
- 2.Qd5#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Rg8+!
- 1...Bxf5
- 1.Rh7?
- 1...Bxf5
- 2.Rxc6#
- 2.Qd5#
- 1...fxe5
- 2.Qxa3#
- 1...Bc5
- 2.Qc7#
- 1...Bd5
- 2.Qxd5#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rh8
- 2.Rd7#
- 1...Bb4
- 2.Bxb4#
- 1...Bb1
- 2.Rxc6#
- 2.Qd5#
- 1...Bc2
- 2.Rxc6#
- 2.Qd5#
- 1...Bd3
- 2.Rxc6#
- 2.Qd5#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Rg8+!
- 1...Bxf5
- 1.Kh1?
- Keys
- 1.Sfg6!
- 1...Bxf5
- 2.Rxc6#
- 1...fxe5
- 2.Qxe5#
- 1...Bc5
- 2.Qxd8#
- 1...Rg8
- 2.Rd7#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Rf8
- 2.Rd7#
- 1...Rh8
- 2.Rd7#
- 1...Bb4
- 2.Bxb4#
- 1...Bb1
- 2.Rxc6#
- 1...Bc2
- 2.Rxc6#
- 1...Bd3
- 2.Rxc6#
- 1...Bd5
- 2.Qxa3#
- 1...Sd1
- 2.Sc4#
- 1...Sd3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Bxf5
- 1.Sfg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::R1(I)
- B(c);N_GUARD::B(A),XB(c)
- B(c);P_PINP(C),SBLOCK::QAB1(E)
- B(e);N_GUARD::QAR1(E),XB(e)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(h);SBLOCK,XS(F)::QAB(E),XB(c)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- P(h);SBLOCK,XS(F)::QAB(E),XB(c)
- B(c);SBLOCK::QAB1(E)
- B(e);N_GUARD::QAR1(E),XB(e)
- R(i);N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::R1(I)
- B(c);N_GUARD::B(A),XB(c)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- Refutation
- R(i);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- P(h);SBLOCK,XS(F)::QAB(E),XB(c)
- B(c);SBLOCK::QAB1(E)
- B(e);N_GUARD::QAR1(E),XB(e)
- R(i);N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::R1(I)
- B(c);N_GUARD::B(A),XB(c)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- Refutation
- R(i);CHECK
- Try
- S(D);
- Threat
- QAR2(E),XR(i)
- Vars
- B(e);N_GUARD,XS(D)::R1(H),XS(f)
- B(e);N_GUARD,XP(G)::R1(H),XS(f)
- S(a);N_GUARD,XS(D)::S(F)
- R(i);N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::R1(I)
- Refutation
- R(i);P_PINR(I)
- Try
- S(D);
- Vars
- B(e);N_GUARD,XP(G)::R1(H),XS(f)
- P(h);SBLOCK,XS(F)::QAR2(E),XR(i)
- B(c);N_GUARD,P_PINP(C)::QAB1(E),XB(c)
- B(e);SBLOCK::QAB1(E)
- R(i);N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::R1(I)
- B(c);N_GUARD::B(A),XB(c)
- B(e);N_GUARD::R1(H),XS(f)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- Refutation
- R(i);P_PINR(I)
- Try
- R(H);N_PINS(f)
- Threat
- S(F)
- Vars
- S(f);SBLOCK,XS(F)::QAB1(E)
- S(f);XR(H)::QAB1(E)
- P(h);OGATEB,XS(F)::R(I)
- B(e);N_GUARD::QAR1(E),XB(e)
- S(f);::QAB1(E)
- Refutation
- S(f);XQ(E)
- Try
- R(I);
- Threat
- S(F)
- Vars
- P(h);SBLOCK,XS(F)::QAB(E),XB(c)
- R(i);N_GUARD::R1(I),XR(i)
- B(e);N_GUARD::QAR1(E),XB(e)
- R(i);N_GUARD::R1(I)
- Refutation
- R(i);CHECK
- Try
- R(I);
- Threat
- S(F)
- Vars
- P(h);SBLOCK,XS(F)::QAB(E),XB(c)
- R(i);N_GUARD::R1(I),XR(i)
- B(e);N_GUARD::QAR1(E),XB(e)
- R(i);N_GUARD::R1(I)
- Refutation
- R(i);CHECK
- Try
- R(I);
- Vars
- P(h);SBLOCK,XS(F)::QAB(E),XB(c)
- B(c);P_PINP(C),SBLOCK::QAB1(E)
- B(e);N_GUARD::QAR1(E),XB(e)
- R(i);N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::R1(I)
- B(c);N_GUARD::B(A),XB(c)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- Refutation
- R(i);CHECK
- Try
- R(I);
- Vars
- P(h);SBLOCK,XS(F)::QAB(E),XB(c)
- B(c);P_PINP(C),SBLOCK::QAB1(E)
- B(e);N_GUARD::QAR1(E),XB(e)
- R(i);N_GUARD::R1(I),XR(i)
- R(i);N_GUARD::R1(I)
- B(c);N_GUARD::B(A),XB(c)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- Refutation
- R(i);CHECK
- Try
- Actual
- S(D);
- Vars
- B(e);N_GUARD,XP(G)::R1(H),XS(f)
- P(h);OGATE,XS(F)::QAB1(E),XP(h)
- B(c);P_PINP(C),SBLOCK::QAR2(E),XR(i)
- R(i);N_GUARD::R1(I)
- R(i);N_GUARD::R1(I),XR(i)
- B(c);N_GUARD::B(A),XB(c)
- B(e);N_GUARD::R1(H),XS(f)
- B(e);SBLOCK::QAB(E),XB(c)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(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).