MESON Chess Problem Database
Problem Display
PID: 102535 (4n3/4N2N/7b/4n3/4kp2/1p5Q/1B1P1P2/7K w - - 0 1)
Kashcheev, Niktopolion Pavlovich
Europe Echecs, 1963
#2
7 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...Sd3
- 2.f3#
- 1...Sf3
- 2.Qf5#
- 1...Sc4
- 2.d3#
- 1...Sg4
- 2.d3#
- 1...Sc6
- 2.d3#
- 1...Sg6
- 2.d3#
- 1...Sd7
- 2.d3#
- 1...Sf7
- 2.d3#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...f3
- 2.Qf5#
- 1...Bg5
- Tries
- 1.Kg1?
- 1...f3
- 2.Qf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...Sd3
- 2.f3#
- 1...Sc4
- 2.d3#
- 1...Sg4
- 2.d3#
- 1...Sc6
- 2.d3#
- 1...Sg6
- 2.d3#
- 1...Sd7
- 2.d3#
- 1...Sf7
- 2.d3#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...Sf3+!
- 1...f3
- 1.Kg2?
- threat
- 2.Qf5#
- 1...Sg4
- 2.Qf3#
- 2.d3#
- 1...Sd6
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...f3+!
- threat
- 1.Ba1?
- 1...Sf3
- 2.Qf5#
- 1...f3
- 2.Qf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...Sd3
- 2.f3#
- 1...Sc4
- 2.d3#
- 1...Sg4
- 2.d3#
- 1...Sc6
- 2.d3#
- 1...Sg6
- 2.d3#
- 1...Sd7
- 2.d3#
- 1...Sf7
- 2.d3#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...b2!
- 1...Sf3
- 1.Bc3?
- 1...Sf3
- 2.Qf5#
- 1...f3
- 2.Qf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...Sd3
- 2.f3#
- 1...Sc4
- 2.d3#
- 1...Sg4
- 2.d3#
- 1...Sc6
- 2.d3#
- 1...Sg6
- 2.d3#
- 1...Sd7
- 2.d3#
- 1...Sf7
- 2.d3#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...b2!
- 1...Sf3
- 1.Qxb3?
- threat
- 2.Qd5#
- 1...Sc4
- 2.f3#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...f3!
- threat
- 1.Qh5?
- threat
- 2.Qe2#
- 1...Sg4
- 2.Qd5#
- 1...f3
- 2.Qf5#
- 1...Sf3
- 2.Qg6#
- 2.Qd5#
- 2.Qf5#
- 1...Sc4
- 2.Qd5#
- 1...Kd3!
- threat
- 1.f3+?
- 1...Sxf3
- 2.Qf5#
- 1...Kd3!
- 1...Sxf3
- 1.Kg1?
- Keys
- 1.Qc3!
- 1...Sd3
- 2.Qc6#
- 1...f3
- 2.Qd4#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...Sf3
- 2.d3#
- 1...Sc4
- 2.f3#
- 1...Sg4
- 2.f3#
- 1...Sc6
- 2.f3#
- 1...Sg6
- 2.f3#
- 1...Sd7
- 2.f3#
- 1...Sf7
- 2.f3#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...Sd3
- 1.Qc3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD::S(G),XB(e)
- B(e);N_GUARD::S(G)
- S(d);N_GUARD,SBLOCK::P(D)
- S(d);SBLOCK::QAB1(E)
- S(d);N_GUARD::P(C)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(c);::QAB1(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- P(c);::QAB1(E)
- B(e);N_GUARD::S(G),XB(e)
- B(e);N_GUARD::S(G)
- S(d);N_GUARD,SBLOCK::P(D)
- S(d);N_GUARD::P(C)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- Refutation
- S(d);CHECK
- Try
- K(A);S_FLIGHT
- Threat
- QAB1(E)
- Vars
- S(f);N_GUARD::S(G)
- Refutation
- P(c);CHECK
- Try
- B(B);
- Vars
- S(d);SBLOCK::QAB1(E)
- P(c);::QAB1(E)
- B(e);N_GUARD::S(G),XB(e)
- B(e);N_GUARD::S(G)
- S(d);N_GUARD,SBLOCK::P(D)
- S(d);N_GUARD::P(C)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- S(d);SBLOCK::QAB1(E)
- P(c);::QAB1(E)
- B(e);N_GUARD::S(G),XB(e)
- B(e);N_GUARD::S(G)
- S(d);N_GUARD,SBLOCK::P(D)
- S(d);N_GUARD::P(C)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- Refutation
- P(a);
- Try
- Q(E);XP(a)
- Threat
- QAB1(E)
- Vars
- S(d);N_GUARD::P(D)
- S(f);N_GUARD::S(G),XS(f)
- S(f);N_GUARD::S(G)
- Refutation
- P(c);
- Try
- Q(E);
- Threat
- QAR2(E)
- Vars
- S(d);OGATE::QAB1(E)
- P(c);::QAB1(E)
- Refutation
- K(b);S_FLIGHT
- Try
- P(D);CHECK
- Vars
- S(d);SBLOCK,XP(D)::QAB1(E)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- Q(E);
- Vars
- S(d);N_GUARD,SBLOCK::QAB(E)
- P(c);SBLOCK::QAR1(E)
- B(e);N_GUARD::S(G),XB(e)
- B(e);N_GUARD::S(G)
- S(d);N_GUARD,SBLOCK::P(C)
- S(d);N_GUARD::P(D)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(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).