MESON Chess Problem Database
Problem Display
PID: 179074 (4NnK1/b1rp4/b1P5/1q1kN2R/Q2P3R/4p2B/3P4/8 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Magasinet, 1947
#2
10 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sf3#
- 1...Qe2
- 2.Sf3#
- 1...Qd3
- 2.Sxd3#
- 1...Qc4
- 2.Sd3#
- 2.Sf3#
- 2.Sxc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qxc6
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sxc6#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qb1
- 2.Sd3#
- 1...Qb2
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qb3
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qa5
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qc5
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qb6
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qb7
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qb8
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Rxc6
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Bxd4
- 2.Qxd4#
- 1...Se6
- 2.Bg2#
- 1...dxc6
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 1...d6
- 2.Sf6#
- 2.Sxc7#
- 1...Qf1
- Tries
- 1.Rh6?
- threat
- 2.Sxc7#
- 2.Bg2#
- 2.Rd6#
- 1...Qxc6
- 2.Bg2#
- 1...Rxc6
- 2.Bg2#
- 1...Bxd4
- 2.Qxd4#
- 1...Qf1
- 2.Sxc7#
- 2.Rd6#
- 1...Qe2
- 2.Sxc7#
- 2.Rd6#
- 1...Qd3
- 2.Sxc7#
- 2.Rd6#
- 1...Qb1
- 2.Sxc7#
- 2.Rd6#
- 1...Qb4
- 2.Sxc7#
- 2.Bg2#
- 1...Qa5
- 2.Bg2#
- 2.Rd6#
- 1...Qc5
- 2.Sxc7#
- 2.Bg2#
- 1...Qb6
- 2.Bg2#
- 2.Rd6#
- 1...Qb7
- 2.Bg2#
- 2.Rd6#
- 1...Qb8
- 2.Bg2#
- 2.Rd6#
- 1...Rb7
- 2.Bg2#
- 2.Rd6#
- 1...Rc8
- 2.Bg2#
- 2.Rd6#
- 1...Bc5
- 2.Sxc7#
- 2.Bg2#
- 1...Bb6
- 2.Bg2#
- 2.Rd6#
- 1...Bb8
- 2.Bg2#
- 2.Rd6#
- 1...Se6
- 2.Bg2#
- 1...d6
- 2.Sf6#
- 2.Sxc7#
- 2.Bg2#
- 2.Rxd6#
- 1...Sg6!
- threat
- 1.Qc2?
- threat
- 2.Sd3#
- 2.Sf3#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 2.Qe4#
- 1...dxc6
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sxc6#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 2.Qe4#
- 1...Qf1
- 2.Sf3#
- 2.Qe4#
- 1...Qe2
- 2.Sf3#
- 2.Qe4#
- 1...Qd3
- 2.Sxd3#
- 1...Qc4
- 2.Qe4#
- 1...Qb1
- 2.Sd3#
- 2.Sf3#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 1...Qc5
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 1...Se6
- 2.Bg2#
- 2.Qe4#
- 1...Sg6
- 2.Sxg6#
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...d6
- 2.Sd3#
- 2.Sf3#
- 2.Sg6#
- 2.Sd7#
- 2.Sf7#
- 2.Sf6#
- 2.Sxc7#
- 2.Qe4#
- 1...Bxd4!
- threat
- 1.Qxb5+?
- 1...Bc5
- 2.Sd3#
- 2.Sf3#
- 2.Sc4#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 2.Qxc5#
- 1...Bxb5!
- 1...Bc5
- 1.Rh6?
- Keys
- 1.Kf7!
- threat
- 2.Bg2#
- 1...Qf1+
- 2.Sf3#
- 1...dxc6+
- 2.Sd7#
- 1...d6+
- 2.Sxc7#
- 1...Bxd4
- 2.Qxd4#
- 1...Qe2
- 2.Sf3#
- 1...Qd3
- 2.Sxd3#
- 1...Qb1
- 2.Sd3#
- threat
- 1.Kf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(b);::R(G)+S(F)
- Q(b);::R(G)+S(F),XQ(b)
- B(e);OGATE,XP(D)::QAR1(C),XB(e)
- S(h);SBLOCK::B(B)
- Tries
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- Q(b);XP(H)::B(B)
- R(f);XP(H)::B(B)
- B(e);OGATE,XP(D)::QAR1(C),XB(e)
- S(h);::B(B)
- Refutation
- S(h);
- Try
- Q(C);
- Threat
- DUALS(6)
- Vars
- Q(b);::R(G)+S(F),XQ(b)
- Q(b);::QAB1(C)
- B(e);::QAB1(C)
- S(h);::QAB1(C)
- Refutation
- B(e);XP(D)
- Try
- Q(C);CHECK,XQ(b)
- Refutation
- B(d);XQ(C)
- Try
- Actual
- K(J);S_FLIGHT
- Threat
- B(B)
- Vars
- Q(b);CHECK::R(G)+S(F)
- P(g);CHECK,SBLOCK,XP(H)::R(G)+S(F)
- P(g);CHECK,SBLOCK::S(I),XR(f)
- B(e);OGATE,XP(D)::QAR1(C),XB(e)
- Q(b);::R(G)+S(F)
- Q(b);::R(G)+S(F),XQ(b)
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).