MESON Chess Problem Database
Problem Display
PID: 243283 (7B/K7/p1P4R/2k1nbNQ/8/N1P1n3/3R1PBb/8 w - - 0 1)
Andersen, Idon Bruno Hovedskou
Skakbladet, 1951
#2
11 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Se6#
- 1...Bc2
- 2.Se6#
- 1...Bh3
- 2.Se4#
- 1...Be4
- 2.Sxe4#
- 1...Bg4
- 2.Se4#
- 1...Be6
- 2.Sxe6#
- 1...Bg6
- 2.Se6#
- 1...Bd7
- 2.Se4#
- 1...Bh7
- 2.Se6#
- 1...Bc8
- 2.Se4#
- 1...Sd1
- 2.Rd5#
- 1...Sf1
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...S3c4
- 2.Rd5#
- 1...S3g4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sd3
- 2.Bd4#
- 1...Sf3
- 2.Se4#
- 1...S5c4
- 2.Se4#
- 2.Se6#
- 2.Bd4#
- 1...S5g4
- 2.Se4#
- 2.Se6#
- 2.Bd4#
- 1...Sxc6+
- 2.Rxc6#
- 1...Sg6
- 2.Se6#
- 1...Sd7
- 2.Se4#
- 2.Se6#
- 2.Bd4#
- 1...Sf7
- 2.Se4#
- 2.Se6#
- 2.Bd4#
- 1...Bb1
- Tries
- 1.Qg4?
- threat
- 2.Qb4#
- 2.Qd4#
- 1...Sxc6+
- 2.Rxc6#
- 1...Bxg4
- 2.Se4#
- 1...S3xg4
- 2.Rd5#
- 1...S5xg4
- 2.Bd4#
- 1...Be4
- 2.Sxe4#
- 1...Sc2
- 2.Rd5#
- 1...S3c4
- 2.Rd5#
- 2.Qd4#
- 1...Sd5
- 2.Rxd5#
- 2.Qd4#
- 1...Sd3
- 2.Bd4#
- 2.Qd4#
- 1...Sf3
- 2.Qb4#
- 1...S5c4
- 2.Bd4#
- 2.Qd4#
- 1...a5
- 2.Qd4#
- 1...Bf4!
- threat
- 1.Qe8?
- threat
- 2.Qe7#
- 2.Qf8#
- 1...Sxc6+
- 2.Rxc6#
- 2.Qxc6#
- 1...S3c4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sd3
- 2.Bd4#
- 2.Qxe3#
- 1...S5c4
- 2.Bd4#
- 1...S5g4
- 2.Bd4#
- 1...Sg6
- 2.Qxe3#
- 1...Sd7
- 2.Bd4#
- 2.Qxe3#
- 1...Sf7
- 2.Bd4#
- 2.Qxe3#
- 1...Sf3!
- threat
- 1.Qh4?
- threat
- 2.Qb4#
- 2.Qd4#
- 1...Sxc6+
- 2.Rxc6#
- 1...Be4
- 2.Sxe4#
- 1...Bg4
- 2.Se4#
- 1...Sc2
- 2.Rd5#
- 1...S3c4
- 2.Rd5#
- 2.Qd4#
- 1...S3g4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 2.Qd4#
- 1...Sd3
- 2.Bd4#
- 2.Qd4#
- 1...Sf3
- 2.Qb4#
- 1...S5c4
- 2.Bd4#
- 2.Qd4#
- 1...S5g4
- 2.Bd4#
- 1...a5
- 2.Qd4#
- 1...Bf4!
- threat
- 1.fxe3?
- threat
- 2.Rd5#
- 1...Sxc6+
- 2.Rxc6#
- 1...Be4
- 2.Sxe4#
- 1...Be6
- 2.Sxe6#
- 1...Bg6
- 2.Se6#
- 1...Sd3
- 2.Bd4#
- 1...Sf3
- 2.Se4#
- 1...Sg6
- 2.Se6#
- 1...Bd3!
- threat
- 1.Qg4?
- Keys
- 1.Bg7!
- threat
- 2.Bf8#
- 1...Sxc6+
- 2.Rxc6#
- 1...S3c4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sd3
- 2.Bd4#
- 1...Sf3
- 2.Se4#
- 1...S5c4
- 2.Se4#
- 2.Se6#
- 2.Bd4#
- 1...S5g4
- 2.Se4#
- 2.Se6#
- 2.Bd4#
- 1...Sg6
- 2.Se6#
- 1...Sd7
- 2.Se4#
- 2.Se6#
- 2.Bd4#
- 1...Sf7
- 2.Se4#
- 2.Se6#
- 2.Bd4#
- threat
- 1.Bg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- B(e);N_GUARD::S(F)
- B(e);N_GUARD::S(F),XB(e)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- S(d);OGATE::B(K)
- S(d);S_CUTB(e)::S(F)
- S(d);CHECK,OGATE,XP(H)::R1(I),XS(d)
- Tries
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,OGATE,XP(H)::R1(I),XS(d)
- B(e);N_GUARD,XQ(G)::S(F)
- S(b);N_GUARD,XQ(G)::R1(A)
- S(d);OGATE,XQ(G)::B(K)
- B(e);N_GUARD::S(F),XB(e)
- S(b);N_GUARD::R1(A)
- S(d);::QAB1(G)
- P(f);::QAB1(G)
- Refutation
- B(a);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- S(d);OGATE::B(K)
- S(d);OGATE::QAB(G),XS(b)
- Refutation
- S(d);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,OGATE,XP(H)::R1(I),XS(d)
- B(e);N_GUARD::S(F),XB(e)
- B(e);N_GUARD::S(F)
- S(b);N_GUARD::R1(A)
- S(d);::QAB1(G)
- S(d);OGATE::B(K)
- P(f);::QAB1(G)
- Refutation
- B(a);
- Try
- P(B);XS(b)
- Threat
- R1(A)
- Vars
- S(d);CHECK,OGATE,XP(H)::R1(I),XS(d)
- B(e);N_GUARD::S(F),XB(e)
- B(e);N_GUARD::S(F)
- S(d);OGATE::B(K)
- S(d);S_CUTB(e)::S(F)
- Refutation
- B(e);
- Try
- Actual
- B(K);
- Threat
- B(K)
- Vars
- S(d);CHECK,OGATE,XP(H)::R1(I),XS(d)
- S(b);N_GUARD::R1(A)
- S(b);N_GUARD::R1(A),XS(b)
- S(d);OGATE::B(K)
- S(d);S_CUTB(e)::S(F)
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).