MESON Chess Problem Database
Problem Display
PID: 248672 (Q7/8/8/1p1p4/3b4/B2K4/1PB5/2k5 w - - 0 1)
Blikeng, Bjarne
Skakbladet, 1979
#2
5 + 4
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.b3#
- 2.b4#
- 1...Bf2
- 2.b3#
- 2.b4#
- 1...Bc3
- 2.bxc3#
- 1...Be3
- 2.b3#
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Bb6
- 2.b3#
- 2.b4#
- 1...Ba7
- 2.b3#
- 2.b4#
- 1...Bg1
- Tries
- 1.Bb4?
- threat
- 2.Qa1#
- 1...Kxb2
- 2.Qa3#
- 1...Bxb2
- 2.Bd2#
- 1...Ba7!
- threat
- 1.Bd6?
- threat
- 2.Qa1#
- 1...Kxb2
- 2.Qa3#
- 1...Bxb2
- 2.Bf4#
- 1...Ba7!
- threat
- 1.Be7?
- threat
- 2.Qa1#
- 1...Kxb2
- 2.Qa3#
- 1...Bxb2
- 2.Bg5#
- 1...Ba7!
- threat
- 1.Bf8?
- threat
- 2.Qa1#
- 1...Kxb2
- 2.Qa3#
- 1...Bxb2
- 2.Bh6#
- 1...Ba7!
- threat
- 1.Qxd5?
- 1...Bxb2
- 2.Qh1#
- 2.Qg5#
- 1...Ba7
- 2.b3#
- 2.b4#
- 1...Bg1
- 2.b3#
- 2.b4#
- 1...Bf2
- 2.b3#
- 2.b4#
- 1...Bc3
- 2.bxc3#
- 1...Be3
- 2.b3#
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Be5
- 2.Qh1#
- 1...Bb6
- 2.b3#
- 2.b4#
- 1...Bf6
- 2.Qh1#
- 1...Bg7
- 2.Qh1#
- 2.Qg5#
- 1...Bh8
- 2.Qh1#
- 2.Qg5#
- 1...b4!
- 1...Bxb2
- 1.Qa5?
- threat
- 2.Qe1#
- 2.Qd2#
- 1...Bf2
- 2.Qd2#
- 2.b3#
- 2.b4#
- 1...Bc3
- 2.bxc3#
- 1...Be3
- 2.Qe1#
- 2.b3#
- 2.b4#
- 1...b4!
- threat
- 1.Qa7?
- 1...Bxb2
- 2.Qg1#
- 2.Qe3#
- 1...Bxa7
- 2.b3#
- 2.b4#
- 1...Bg1
- 2.Qxg1#
- 2.b3#
- 2.b4#
- 1...Bf2
- 2.b3#
- 2.b4#
- 1...Bc3
- 2.bxc3#
- 1...Be3
- 2.Qxe3#
- 2.b3#
- 2.b4#
- 1...Bc5
- 2.b4#
- 1...Be5
- 2.Qg1#
- 2.Qe3#
- 1...Bb6
- 2.b3#
- 2.b4#
- 1...Bf6
- 2.Qg1#
- 2.Qe3#
- 1...Bg7
- 2.Qg1#
- 2.Qe3#
- 1...Bh8
- 2.Qg1#
- 2.Qe3#
- 1...b4!
- 1...Bxb2
- 1.Qe8?
- threat
- 2.Qe1#
- 1...Bf2
- 2.b3#
- 2.b4#
- 1...Bc3
- 2.bxc3#
- 1...Be3
- 2.Qxe3#
- 2.b3#
- 2.b4#
- 1...Be5!
- threat
- 1.Qf8?
- threat
- 2.Qf1#
- 1...Bf2
- 2.b3#
- 2.b4#
- 1...Bc3
- 2.bxc3#
- 1...Bf6!
- threat
- 1.Bb4?
- Keys
- 1.Bc5!
- threat
- 2.Qa1#
- 1...Kxb2
- 2.Qa3#
- 1...Bxb2
- 2.Be3#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(b);OGATE::B(C)+P(A),XB(b)
- B(b);N_GUARD::B(C)+P(A)
- Tries
- Try
- B(C);
- Threat
- QAR2(E)
- Vars
- K(a);OGATEB,S_FLIGHT,XP(A)::QAB1(E)
- B(b);SBLOCK,XP(A)::B(C)
- Refutation
- B(b);
- Try
- B(C);
- Threat
- QAR2(E)
- Vars
- K(a);OGATEB,S_FLIGHT,XP(A)::QAB1(E)
- B(b);N_GUARD,SBLOCK,XP(A)::B(C)
- Refutation
- B(b);
- Try
- B(C);
- Threat
- QAR2(E)
- Vars
- K(a);OGATEB,S_FLIGHT,XP(A)::QAB1(E)
- B(b);N_GUARD,SBLOCK,XP(A)::B(C)
- Refutation
- B(b);
- Try
- B(C);
- Threat
- QAR2(E)
- Vars
- K(a);OGATEB,S_FLIGHT,XP(A)::QAB1(E)
- B(b);N_GUARD,SBLOCK,XP(A)::B(C)
- Refutation
- B(b);
- Try
- Q(E);XP(d)
- Vars
- B(b);OGATE::B(C)+P(A),XB(b)
- B(b);N_GUARD::B(C)+P(A)
- B(b);N_GUARD::QAR(E)
- Refutation
- P(c);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(b);OGATE::B(C)+P(A),XB(b)
- Refutation
- P(c);
- Try
- Q(E);
- Vars
- B(b);OGATE::B(C)+P(A),XB(b)
- B(b);N_GUARD::B(C)+P(A)
- Refutation
- P(c);
- Try
- Q(E);
- Threat
- QAR2(E)
- Vars
- B(b);OGATE::B(C)+P(A),XB(b)
- Refutation
- B(b);
- Try
- Q(E);
- Threat
- QAR(E)
- Vars
- B(b);OGATE::B(C)+P(A),XB(b)
- Refutation
- B(b);
- Try
- Actual
- B(C);
- Threat
- QAR2(E)
- Vars
- K(a);OGATEB,S_FLIGHT,XP(A)::QAB1(E)
- B(b);OGATE,SBLOCK,XP(A)::B(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).