MESON Chess Problem Database
Problem Display
PID: 233943 (5N1b/2B1nK2/1pQ1pn2/2p1r3/2b2kpP/5pN1/5P2/8 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Skakbladet, 1947
#2
7 + 11
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sxe6#
- 1...Be2
- 2.Sxe6#
- 1...Bd3
- 2.Sxe6#
- 1...Bb5
- 2.Sxe6#
- 1...Ba6
- 2.Sxe6#
- 1...Se4
- 2.Qxe4#
- 1...Sfd5
- 2.Sxe6#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sfg8
- 2.Qe4#
- 1...Sed5
- 2.Sxe6#
- 2.Sg6#
- 1...Sf5
- 2.Sg6#
- 1...Sxc6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sc8
- 2.Sg6#
- 1...Seg8
- 2.Sg6#
- 1...Bf1
- Tries
- 1.Qd5?
- threat
- 2.Sxe6#
- 2.Bxe5#
- 2.Qd2#
- 2.Qxe5#
- 1...Sfxd5
- 2.Sxe6#
- 1...Sexd5
- 2.Sxe6#
- 2.Sg6#
- 1...exd5
- 2.Se6#
- 1...Bd3
- 2.Sxe6#
- 2.Bxe5#
- 2.Qxe5#
- 1...Se4
- 2.Sxe6#
- 2.Qxe4#
- 1...Sh5
- 2.Sxe6#
- 2.Qxc4#
- 2.Qe4#
- 2.Qd2#
- 1...Sd7
- 2.Sxe6#
- 2.Qxc4#
- 2.Qe4#
- 2.Qd2#
- 1...Sh7
- 2.Sxe6#
- 2.Qxc4#
- 2.Qe4#
- 2.Qd2#
- 1...Se8
- 2.Sxe6#
- 2.Qxc4#
- 2.Qe4#
- 2.Qd2#
- 1...Sfg8
- 2.Sxe6#
- 2.Qxc4#
- 2.Qe4#
- 2.Qd2#
- 1...Sf5
- 2.Sxe6#
- 2.Sg6#
- 2.Bxe5#
- 2.Qxe5#
- 1...Sc6
- 2.Sxe6#
- 2.Sg6#
- 2.Qd2#
- 1...Sg6
- 2.Sxe6#
- 2.Sxg6#
- 2.Qd2#
- 1...Bxd5!
- threat
- 1.Qxc5?
- threat
- 2.Bxe5#
- 2.Qe3#
- 2.Qxe5#
- 1...Bd5
- 2.Qe3#
- 2.Qc1#
- 1...Se4
- 2.Qe3#
- 1...Sfd5
- 2.Sxe6#
- 2.Qd4#
- 2.Qxc4#
- 1...Sh5
- 2.Qe3#
- 2.Qd4#
- 2.Qxc4#
- 1...Sd7
- 2.Qe3#
- 2.Qd4#
- 2.Qxc4#
- 1...Sh7
- 2.Qe3#
- 2.Qd4#
- 2.Qxc4#
- 1...Se8
- 2.Qe3#
- 2.Qd4#
- 2.Qxc4#
- 1...Sfg8
- 2.Qe3#
- 2.Qd4#
- 2.Qxc4#
- 1...Sed5
- 2.Sxe6#
- 2.Sg6#
- 1...Sf5
- 2.Sg6#
- 2.Bxe5#
- 2.Qxe5#
- 1...Sc6
- 2.Sg6#
- 2.Qe3#
- 1...Sg6
- 2.Sxg6#
- 2.Qe3#
- 1...bxc5!
- threat
- 1.Qd6?
- threat
- 2.Qxe5#
- 2.Qd2#
- 1...Bd3
- 2.Sxe6#
- 2.Qxe5#
- 1...Bd5
- 2.Qxe5#
- 1...Sfd5
- 2.Sxe6#
- 1...Sh5
- 2.Qd2#
- 1...Sd7
- 2.Qd2#
- 1...Sh7
- 2.Qd2#
- 1...Se8
- 2.Qd2#
- 1...Sfg8
- 2.Qd2#
- 1...Sed5
- 2.Sxe6#
- 2.Sg6#
- 2.Qxe5#
- 1...Sf5
- 2.Sg6#
- 2.Qxe5#
- 1...Sc6
- 2.Sg6#
- 2.Qd2#
- 1...Sg6
- 2.Sxg6#
- 2.Qd2#
- 1...Se4!
- threat
- 1.Qd5?
- Keys
- 1.Qxe6!
- threat
- 2.Bxe5#
- 1...Bxe6+
- 2.Sxe6#
- 1...Se4
- 2.Sh5#
- 1...Sfd5
- 2.Qh6#
- 1...Sh5
- 2.Qxc4#
- 1...Sd7
- 2.Qxc4#
- 1...Sh7
- 2.Qxc4#
- 1...Se8
- 2.Qxc4#
- 1...Sfg8
- 2.Qxc4#
- 1...Sc6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- threat
- 1.Qxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 7
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- B(b);N_GUARD::S(G),XP(h)
- S(i);N_GUARD::QAR1(D),XS(i)
- S(i);S_CUTB(b)::S(G),XP(h)
- S(i);N_GUARD::QAR1(D)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD,XQ(D)::S(G)
- S(j);N_GUARD::S(G),XS(j)
- Tries
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- S(i);XQ(D)::S(G),XP(h)
- P(h);XQ(D)::S(G)
- Refutation
- B(b);XQ(D)
- Try
- Q(D);XP(e)
- Threat
- DUALS(3)
- Vars
- S(i);::QAB1(D)
- Refutation
- P(g);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(b);::QAB1(D),XR(f)
- S(i);S_CUTB(b)::S(G),XP(h)
- S(i);::QAB(D)
- Refutation
- S(i);
- Try
- Actual
- Q(D);P_SPINQ(D),XP(h)
- Threat
- B(E),XR(f)
- Vars
- B(b);CHECK,XQ(D)::S(G),XB(b)
- S(i);N_GUARD,SBLOCK::S(B)
- S(i);N_PINQ(D)::QAB(D)
- S(i);N_GUARD::QAR(D),XB(b)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
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).