MESON Chess Problem Database
Problem Display
PID: 218180 (8/4N3/1n3p2/2b2P2/n3k1p1/6B1/3Q1PK1/3N4 w - - 0 1)
Uhler, Ekkehard
Badische Neueste Nachrichten, 1984
#2
7 + 6
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bxf2
- 2.Sxf2#
- 1...Ba3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bb4
- 2.Qe3#
- 1...Bd4
- 2.Qc2#
- 1...Bd6
- 2.Qe3#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sd7
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Bxf2
- Tries
- 1.Sb2?
- threat
- 2.Qf4#
- 2.Qd3#
- 1...Bxe7
- 2.Qd3#
- 1...Be3
- 2.Qxe3#
- 2.Qd3#
- 1...Bd6
- 2.Qe3#
- 2.Qd3#
- 1...Sd5
- 2.Qd3#
- 2.Qxd5#
- 1...Sxb2!
- threat
- 1.Bc7?
- 1...Bxf2
- 2.Sxf2#
- 1...Bd6
- 2.Qe3#
- 1...Ba3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bb4
- 2.Qe3#
- 1...Bd4
- 2.Qc2#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sd7
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...g3
- 2.f3#
- 1...Bxe7!
- 1...Bxf2
- 1.Bb8?
- 1...Bxf2
- 2.Sxf2#
- 1...Bd6
- 2.Qe3#
- 1...Ba3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bb4
- 2.Qe3#
- 1...Bd4
- 2.Qc2#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sd7
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...g3
- 2.f3#
- 1...Bxe7!
- 1...Bxf2
- 1.Qe2+?
- 1...Be3
- 2.Qxe3#
- 1...Kd4!
- 1...Be3
- 1.Sb2?
- Keys
- 1.Bd6!
- 1...Bxf2
- 2.Sxf2#
- 1...Bxd6
- 2.Qe3#
- 1...Ba3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Bb4
- 2.Qe3#
- 1...Bd4
- 2.Qc2#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sd7
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...g3
- 2.f3#
- 1...Bxf2
- 1.Bd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(d);XP(C)::S(A),XB(d)
- B(d);N_GUARD::QAR1(B)
- B(d);N_GUARD::QAR1(B),XB(d)
- B(d);SBLOCK::QAB(B)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(e);N_GUARD::QAB1(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- Tries
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- B(d);XS(G)::QAB1(B)
- Refutation
- S(a);XS(A)
- Try
- B(E);
- Vars
- B(d);XP(C)::S(A),XB(d)
- B(d);N_GUARD::QAR1(B)
- B(d);N_GUARD::QAR1(B),XB(d)
- B(d);SBLOCK::QAB(B)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(e);N_GUARD::QAB1(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- P(c);N_GUARD::P(C)
- Refutation
- B(d);XS(G)
- Try
- B(E);
- Vars
- B(d);XP(C)::S(A),XB(d)
- B(d);N_GUARD::QAR1(B)
- B(d);N_GUARD::QAR1(B),XB(d)
- B(d);SBLOCK::QAB(B)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(e);N_GUARD::QAB1(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- P(c);N_GUARD::P(C)
- Refutation
- B(d);XS(G)
- Try
- Q(B);CHECK
- Vars
- B(d);N_GUARD,P_SPINB(d)::QAR1(B),XB(d)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- B(E);
- Vars
- B(d);XP(C)::S(A),XB(d)
- B(d);N_GUARD,XB(E)::QAR1(B)
- B(d);N_GUARD::QAR1(B)
- B(d);N_GUARD::QAR1(B),XB(d)
- B(d);SBLOCK::QAB(B)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(e);N_GUARD::QAB1(B)
- S(e);N_GUARD::QAB1(B),XS(e)
- P(c);N_GUARD::P(C)
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).