MESON Chess Problem Database
Problem Display
PID: 143531 (2N5/1KPk3N/2p5/2bP3B/1p5B/2q2n2/6b1/3Q4 w - - 0 1)
Reddmann, Hauke
Die Schwalbe, 2011
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Qf6
- 2.Sxf6#
- 1...Qc1
- 2.Sf6#
- 1...Qc2
- 2.Sf6#
- 1...Qa3
- 2.Sf6#
- 1...Qb3
- 2.Sf6#
- 1...Qd3
- 2.Sf6#
- 1...Qe3
- 2.Sf6#
- 1...Qc4
- 2.Sf6#
- 1...Bg1
- 2.Sf8#
- 1...Bf2
- 2.Sf8#
- 1...Be3
- 2.Sf8#
- 1...Bd4
- 2.Sf8#
- 1...Bb6
- 2.Sf8#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Sf8#
- 1...Bf8
- 2.Sxf8#
- 1...Se1
- 2.Qg4#
- 1...Sg1
- 2.Qg4#
- 1...Sd2
- 2.Qg4#
- 1...Sd4
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...Qe1
- Tries
- 1.Qe2?
- threat
- 2.Bg4#
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 2.dxc6#
- 1...Sxh4
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 1...cxd5
- 2.Bg4#
- 2.Be8#
- 2.Qe8#
- 1...Qe1
- 2.Sf6#
- 2.Bg4#
- 2.Be8#
- 2.dxc6#
- 1...Qd4
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 2.dxc6#
- 1...Qf6
- 2.Sxf6#
- 2.Be8#
- 2.Qe8#
- 1...Qg7
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 2.dxc6#
- 1...Qh8
- 2.Bg4#
- 2.Qe6#
- 2.dxc6#
- 1...Qc2
- 2.Sf6#
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 2.dxc6#
- 1...Qd3
- 2.Sf6#
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 2.dxc6#
- 1...Qe3
- 2.Sf6#
- 1...Qc4
- 2.Sf6#
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 2.dxc6#
- 1...Bh3
- 2.Be8#
- 2.Qe8#
- 2.dxc6#
- 1...Bg1
- 2.Sf8#
- 2.Bg4#
- 2.Be8#
- 2.Qe6#
- 2.Qe7#
- 2.Qe8#
- 1...Bf2
- 2.Sf8#
- 2.Bg4#
- 2.Be8#
- 2.Qe6#
- 2.Qe7#
- 2.Qe8#
- 1...Be3
- 2.Sf8#
- 1...Bd4
- 2.Sf8#
- 2.Bg4#
- 2.Be8#
- 2.Qe6#
- 2.Qe7#
- 2.Qe8#
- 1...Bb6
- 2.Sf8#
- 2.Bg4#
- 2.Be8#
- 2.Qe6#
- 2.Qe7#
- 2.Qe8#
- 1...Bd6
- 2.Sb6#
- 2.Bg4#
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 1...Ba7
- 2.Sf8#
- 2.Bg4#
- 2.Be8#
- 2.Qe6#
- 2.Qe7#
- 2.Qe8#
- 1...Be7
- 2.Qe6#
- 2.Qxe7#
- 1...Bf8
- 2.Sxf8#
- 2.Bg4#
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 1...Se1
- 2.Bg4#
- 2.Be8#
- 2.Qg4#
- 2.Qe6#
- 2.Qe8#
- 1...Sg1
- 2.Bg4#
- 2.Be8#
- 2.Qg4#
- 2.Qe6#
- 2.Qe8#
- 1...Sd2
- 2.Bg4#
- 2.Be8#
- 2.Qg4#
- 2.Qe6#
- 2.Qe8#
- 1...Sh2
- 2.Be8#
- 2.Qe6#
- 2.Qe8#
- 1...Sd4
- 2.Sf6#
- 2.Be8#
- 2.Qe8#
- 1...Se5
- 2.Sf6#
- 1...Sg5
- 2.Be8#
- 2.Qe8#
- 1...Qe5!
- threat
- 1.Qa4?
- threat
- 2.Qxc6#
- 1...Qf6
- 2.Sxf6#
- 1...Bg1
- 2.Sf8#
- 1...Bf2
- 2.Sf8#
- 1...Be3
- 2.Sf8#
- 1...Bd4
- 2.Sf8#
- 1...Bb6
- 2.Sf8#
- 1...Bd6
- 2.Sb6#
- 1...Ba7
- 2.Sf8#
- 1...Bf8
- 2.Sxf8#
- 1...Sd4
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...Be7!
- threat
- 1.Qd4?
- threat
- 2.Sf6#
- 2.Qg4#
- 1...Bxd4
- 2.Sf8#
- 1...Sxd4
- 2.Sf6#
- 1...Sxh4
- 2.Sf6#
- 1...cxd5
- 2.Qg4#
- 1...Qe1
- 2.Sf6#
- 1...Qc2
- 2.Sf6#
- 1...Qd3
- 2.Sf6#
- 1...Qe3
- 2.Sf6#
- 1...Qc4
- 2.Sf6#
- 1...Bh3
- 2.Sf6#
- 1...Be7
- 2.Qg4#
- 1...Sh2
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...Sg5
- 2.Sf6#
- 1...Qxd4!
- threat
- 1.Qe2?
- Keys
- 1.Bf7!
- threat
- 2.dxc6#
- 1...cxd5
- 2.Qa4#
- 1...Bd4
- 2.Sf8#
- 1...Bd6
- 2.Sb6#
- 1...Sd2
- 2.Qg4#
- 1...Sd4
- 2.Sf6#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 19
- Sets
- Q(b);N_GUARD::S(G)
- Q(b);N_GUARD::S(G),XQ(b)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD,SBLOCK::S(H)
- B(e);N_GUARD::S(G),XB(e)
- S(c);OGATE::QAB(A)
- S(c);S_CUTQ(b)::S(G)
- Tries
- Try
- Q(A);
- Threat
- DUALS(5)
- Vars
- Q(b);N_GUARD::S(G)
- B(e);N_GUARD::S(G)
- S(c);S_CUTQ(b)::S(G)
- Refutation
- Q(b);
- Try
- Q(A);P_PINP(f)
- Threat
- QAB1(A),XP(f)
- Vars
- Q(b);N_GUARD::S(G),XQ(b)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD,SBLOCK::S(H)
- B(e);N_GUARD::S(G),XB(e)
- S(c);S_CUTQ(b)::S(G)
- Refutation
- B(e);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(e);N_GUARD,XQ(A)::S(G)
- S(c);XQ(A)::S(G)
- S(c);XB(B)::S(G)
- P(f);P_SPINP(f),XP(C)::QAB(A)
- Q(b);::S(G)
- B(a);::S(G)
- B(e);::QAB(A)
- S(c);::S(G)
- Refutation
- Q(b);XQ(A)
- Try
- Actual
- B(D);
- Threat
- QAR(A)+P(C)DCHECK,XP(f)
- Vars
- P(f);OGATEB,P_SPINP(f),XP(C)::QAB(A)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD,SBLOCK::S(H)
- S(c);OGATE::QAB(A)
- S(c);S_CUTQ(b)::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).