MESON Chess Problem Database
Problem Display
PID: 198618 (b3BN2/p2N3r/6R1/2pkq1Rr/2n3pp/2P5/1P2Q3/4K3 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Problemskak, 2010
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Qd3#
- 2.Qg2#
- 2.Qe6#
- 1...Qxg5
- 2.Qd3#
- 2.Qg2#
- 2.Qe6#
- 1...Rh6
- 2.Bf7#
- 1...Rf7
- 2.Bxf7#
- 1...Rh8
- 2.Bf7#
- 1...Se3
- 2.Qd3#
- 1...Sd6
- 2.Sf6#
- 1...Qf5
- Tries
- 1.Sxe5?
- threat
- 2.Qd3#
- 2.Qxc4#
- 2.Qg2#
- 1...Sxb2
- 2.Qg2#
- 1...Sxe5
- 2.Qd3#
- 1...Se3
- 2.Qd3#
- 1...Rf7
- 2.Bxf7#
- 2.Qd3#
- 2.Qxc4#
- 1...Sd2
- 2.Qd3#
- 1...Sa3
- 2.Qd3#
- 2.Qg2#
- 1...Sa5
- 2.Qd3#
- 2.Qg2#
- 1...Sb6
- 2.Qd3#
- 2.Qg2#
- 1...Sd6
- 2.Qd3#
- 1...h3
- 2.Qd3#
- 2.Qxc4#
- 1...Rxg5!
- threat
- 1.Rd6+?
- 1...Sxd6
- 2.Sf6#
- 1...Kxd6!
- 1...Sxd6
- 1.Sxe5?
- Keys
- 1.b3!
- threat
- 2.bxc4#
- 1...Se3
- 2.Qd3#
- 1...Sd6
- 2.Sf6#
- 1...Sb2
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sa3
- 2.Qxe5#
- 1...Sa5
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- threat
- 1.b3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- R(i);N_GUARD::B(H)
- R(i);N_GUARD::B(H),XR(i)
- S(a);N_PINQ(C)::QAR2(C)
- S(a);SBLOCK::S(G)
- Tries
- Try
- S(G);N_SPINQ(C),XQ(f)
- Threat
- DUALS(3)
- Vars
- S(a);XP(B)::QAB(C)
- S(a);P_SPINS(a),XS(G)::QAR2(C)
- S(a);::QAR2(C)
- Refutation
- R(g);XR(E)
- Try
- R(F);CHECK
- Vars
- S(a);SBLOCK,XR(F)::S(G)
- Refutation
- K(e);N_SPINQ(f),P-FLIGHT,XR(F)
- Try
- Actual
- P(B);
- Threat
- P(B),XS(a)
- Vars
- S(a);N_PINQ(C)::QAR2(C)
- S(a);SBLOCK::S(G)
- S(a);N_GUARD::QAR1(C),XQ(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).