MESON Chess Problem Database
Problem Display
PID: 267465 (8/8/2p2p2/2P2n1R/p2kN3/Pp1P3p/1N4pB/2Q3K1 w - - 0 1)
Sukhodolov, Nikolai
Zadachi i Etyudi, 2013
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Qc4#
- 1...Se3
- 2.Qc3#
- 1...Kd5
- Tries
- 1.Sd1?
- threat
- 2.Qc4#
- 1...Kd5
- 2.Qc4#
- 1...Se3
- 2.Qxe3#
- 2.Qc3#
- 1...Sd6
- 2.Qe3#
- 2.Qc3#
- 1...Kxd3!
- threat
- 1.Sc3?
- 1...Kxc5
- 2.Qe3#
- 1...Se3
- 2.Se2#
- 1...Sh4
- 2.Se2#
- 1...Sd6
- 2.Se2#
- 1...Sh6
- 2.Se2#
- 1...Se7
- 2.Se2#
- 1...Sg7
- 2.Se2#
- 1...Sg3!
- 1...Kxc5
- 1.Sg5?
- 1...Kd5
- 2.Qc4#
- 1...Sg3
- 2.Sf3#
- 2.Se6#
- 1...Se3
- 2.Sf3#
- 2.Se6#
- 1...Sh4
- 2.Se6#
- 1...Sd6
- 2.Sf3#
- 2.Se6#
- 1...Sh6
- 2.Sf3#
- 2.Se6#
- 1...Se7
- 2.Sf3#
- 2.Se6#
- 1...Sg7
- 2.Sf3#
- 1...fxg5!
- 1...Kd5
- 1.Sxf6?
- 1...Se3
- 2.Be5#
- 1...Sh4
- 2.Be5#
- 2.Rxh4#
- 1...Sd6
- 2.Be5#
- 1...Sh6
- 2.Be5#
- 1...Se7
- 2.Be5#
- 2.Rh4#
- 1...Sg7
- 2.Be5#
- 2.Rh4#
- 1...Sg3!
- 1...Se3
- 1.Bf4?
- threat
- 2.Qc4#
- 1...Kd5
- 2.Qc4#
- 1...Se3
- 2.Bxe3#
- 2.Qxe3#
- 2.Qc3#
- 1...Sd6
- 2.Be3#
- 2.Qe3#
- 2.Qc3#
- 1...h2+!
- threat
- 1.Qd2?
- 1...Sg3
- 2.Qf2#
- 1...Se3
- 2.Qc3#
- 1...Sh4
- 2.Qf2#
- 1...Sd6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 1...Sg7
- 2.Qf2#
- 1...Kd5!
- 1...Sg3
- 1.Qe1?
- 1...Sg3
- 2.Qf2#
- 1...Se3
- 2.Qc3#
- 1...Sh4
- 2.Qf2#
- 1...Sd6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 1...Sg7
- 2.Qf2#
- 1...Kd5!
- 1...Sg3
- 1.Qc2?
- 1...Ke3
- 2.Qf2#
- 1...Kd5
- 2.Qc4#
- 1...Sg3
- 2.Qf2#
- 1...Se3
- 2.Qc3#
- 1...Sh4
- 2.Qf2#
- 1...Sd6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 1...Sg7
- 2.Qf2#
- 1...bxc2!
- 1...Ke3
- 1.Qc3+?
- 1...Kd5
- 2.Qc4#
- 1...Ke3!
- 1...Kd5
- 1.Sd1?
- Keys
- 1.Qf4!
- 1...Kd5
- 2.Qd6#
- 1...Sg3
- 2.Qf2#
- 1...Se3
- 2.Qxf6#
- 1...Sh4
- 2.Qf2#
- 1...Sd6
- 2.Qf2#
- 1...Sh6
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 1...Sg7
- 2.Qf2#
- 1...Kd5
- 1.Qf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- K(e);N_GUARD,P-FLIGHT,P_SPINS(f)::QAB1(A)
- S(f);SBLOCK::QAB1(A)
- Tries
- Try
- S(C);
- Threat
- QAR1(A)
- Vars
- K(e);P-FLIGHT,P_SPINS(f)::QAB1(A)
- Refutation
- K(e);P-FLIGHT,XP(F)
- Try
- S(G);
- Vars
- K(e);N_GUARD,P_SPINS(f),S_FLIGHT,XP(H)::QAB(A)
- S(f);::S(G)
- Refutation
- S(f);
- Try
- S(G);
- Vars
- K(e);N_GUARD,P-FLIGHT::QAB1(A)
- S(f);::S(G)
- Refutation
- P(h);XS(G)
- Try
- S(G);XP(h)
- Vars
- S(f);::B(D)
- Refutation
- S(f);
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- K(e);P-FLIGHT,P_SPINS(f)::QAB1(A)
- Refutation
- P(c);CHECK
- Try
- Q(A);
- Vars
- S(f);N_GUARD::QAB(A)
- S(f);SBLOCK::QAB1(A)
- Refutation
- K(e);P-FLIGHT,P_SPINS(f)
- Try
- Q(A);
- Vars
- S(f);N_GUARD::QAB(A)
- S(f);SBLOCK::QAB1(A)
- Refutation
- K(e);P-FLIGHT,P_SPINS(f)
- Try
- Q(A);
- Vars
- K(e);N_GUARD,S_CUTS(f),S_FLIGHT::QAB1(A)
- K(e);N_GUARD,P-FLIGHT,P_SPINS(f)::QAB1(A)
- S(f);N_GUARD::QAB(A)
- S(f);SBLOCK::QAB1(A)
- Refutation
- P(b);XQ(A)
- Try
- Q(A);CHECK
- Vars
- K(e);N_GUARD,P-FLIGHT,P_SPINS(f)::QAB1(A)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- Q(A);
- Vars
- K(e);N_GUARD,P-FLIGHT,P_SPINS(f)::QAR1(A)
- S(f);N_GUARD::QAB(A)
- S(f);OGATE,SBLOCK::QAB(A),XP(h)
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).