MESON Chess Problem Database
Problem Display
PID: 272869 (8/4p1p1/2p1P1P1/6n1/pBBk1p2/P2p4/P2N4/3NQ2K w - - 0 1)
Kish, Alexander
Die Schwalbe, 1932
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sxe6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...f3
- 2.Qe3#
- 1...c5
- 2.Bc3#
- 1...Sf3
- Tries
- 1.Kg2?
- 1...Sxe6
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...c5
- 2.Bc3#
- 1...f3+!
- 1...Sxe6
- 1.Kh2?
- 1...Sxe6
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sh3
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...f3
- 2.Qe3#
- 1...c5
- 2.Bc3#
- 1...Sf3+!
- 1...Sxe6
- 1.Sc3?
- 1...Sxe6
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...c5
- 2.Sb5#
- 1...f3!
- 1...Sxe6
- 1.Bd6?
- threat
- 2.Qf2#
- 2.Qg1#
- 2.Qe5#
- 1...f3
- 2.Qf2#
- 2.Qe3#
- 2.Qe5#
- 1...Sf3
- 2.Qf2#
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 2.Qe5#
- 1...Se4
- 2.Qxe4#
- 1...Sf7
- 2.Qf2#
- 2.Qg1#
- 2.Qe4#
- 1...exd6!
- threat
- 1.Bxe7?
- 1...Sxe6
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...f3
- 2.Qe3#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...c5!
- 1...Sxe6
- 1.Bb3?
- 1...Sxe6
- 2.Sf3#
- 2.Qe4#
- 1...Se4
- 2.Sf3#
- 2.Qxe4#
- 1...f3
- 2.Qe3#
- 1...Sf3
- 2.Sxf3#
- 2.Qe4#
- 1...Sh3
- 2.Sf3#
- 2.Qe4#
- 1...Sf7
- 2.Sf3#
- 2.Qe4#
- 1...Sh7
- 2.Sf3#
- 2.Qe4#
- 1...c5
- 2.Bc3#
- 1...axb3!
- 1...Sxe6
- 1.Qe2?
- 1...Sxe6
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...f3
- 2.Qe3#
- 1...Sf3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...c5
- 2.Bc3#
- 1...dxe2!
- 1...Sxe6
- 1.Kg2?
- Keys
- 1.Se3!
- threat
- 2.Sf5#
- 1...Ke5
- 2.Qa1#
- 1...fxe3
- 2.Qa1#
- 1...Se4
- 2.Sf3#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- S(e);N_GUARD::QAR1(B)
- S(e);N_GUARD::QAR1(B),XS(e)
- S(e);N_GUARD,XP(I)::QAR1(B)
- P(d);N_GUARD::QAB1(B)
- P(f);SBLOCK::B(G)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- S(e);N_GUARD,XP(I)::QAR1(B)
- S(e);N_GUARD::QAR1(B),XS(e)
- S(e);N_GUARD::QAR1(B)
- P(f);SBLOCK::B(G)
- Refutation
- P(d);CHECK
- Try
- K(C);P-FLIGHT
- Vars
- S(e);N_GUARD,XP(I)::QAR1(B)
- S(e);N_GUARD::QAR1(B),XS(e)
- S(e);N_GUARD::QAR1(B)
- P(d);N_GUARD::QAB1(B)
- P(f);SBLOCK::B(G)
- Refutation
- S(e);CHECK
- Try
- S(A);
- Vars
- S(e);N_GUARD,XP(I)::QAR1(B)
- S(e);N_GUARD::QAR1(B),XS(e)
- S(e);N_GUARD::QAR1(B)
- P(f);N_GUARD::S(A)
- Refutation
- P(d);
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD::QAR1(B),XS(e)
- Refutation
- P(g);XB(G)
- Try
- B(G);XP(g)
- Vars
- S(e);N_GUARD,XP(I)::QAR1(B)
- S(e);N_GUARD::QAR1(B),XS(e)
- P(d);N_GUARD::QAB1(B)
- S(e);N_GUARD::QAR1(B)
- Refutation
- P(f);
- Try
- B(H);
- Vars
- P(d);N_GUARD::QAB1(B)
- P(f);SBLOCK::B(G)
- Refutation
- P(b);XB(H)
- Try
- Q(B);
- Vars
- S(e);N_GUARD,XP(I)::QAR1(B)
- S(e);N_GUARD::QAR1(B),XS(e)
- P(d);N_GUARD::QAB1(B)
- S(e);N_GUARD::QAR1(B)
- P(f);SBLOCK::B(G)
- Refutation
- P(a);XQ(B)
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- K(c);N_GUARD,S_FLIGHT::QAB(B)
- P(d);SBLOCK,XS(A)::QAB(B)
- S(e);N_GUARD,SBLOCK::S(E)
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).