MESON Chess Problem Database
Problem Display
PID: 233941 (3Rb3/2p1N1K1/3np1P1/N3n3/pP1kpB2/rr6/2PPQ3/8 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Skakbladet, 1947
#2
10 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Qe3#
- 1...Sf3
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Sg4
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 1...Sxg6
- 2.Qc4#
- 1...Sd7
- 2.Sac6#
- 1...Sf7
- 2.Qc4#
- 1...c5
- 2.Rxd6#
- 1...c6
- 2.Rxd6#
- 1...Sd3
- Tries
- 1.Sxb3+?
- 1...axb3
- 2.Be3#
- 2.c3#
- 1...Rxb3!
- 1...axb3
- 1.Sec6+?
- 1...Kd5
- 2.Qb5#
- 1...Sxc6
- 2.Qc4#
- 1...Bxc6!
- 1...Kd5
- 1.Qb5?
- threat
- 2.Bxe5#
- 2.Qc5#
- 2.Qxe5#
- 1...Rxb4
- 2.Bxe5#
- 2.Qxe5#
- 1...Sxg6
- 2.Qc4#
- 2.Qc5#
- 1...e3
- 2.Qxe5#
- 1...Rc3
- 2.Bxe5#
- 2.Qxe5#
- 1...Sd3
- 2.Be3#
- 2.Qc4#
- 1...Sf3
- 2.Qc4#
- 2.Qc5#
- 1...Sc4
- 2.Qxc4#
- 2.Qc5#
- 1...Sg4
- 2.Qc4#
- 2.Qc5#
- 1...Sc6
- 2.Qc4#
- 2.Qc5#
- 1...Sd7
- 2.Sac6#
- 2.Sec6#
- 1...Sf7
- 2.Qc4#
- 2.Qc5#
- 1...c5
- 2.Rxd6#
- 2.Qxc5#
- 1...Bxb5!
- threat
- 1.cxb3?
- threat
- 2.Be3#
- 2.Qe3#
- 1...Sxg6
- 2.Qc4#
- 2.Qe3#
- 1...e3
- 2.Qxe3#
- 1...Sd3
- 2.Qe3#
- 1...Sf3
- 2.Qc4#
- 2.Qe3#
- 1...Sc4
- 2.Qxc4#
- 1...Sg4
- 2.Qc4#
- 1...Sc6
- 2.Qc4#
- 2.Qe3#
- 1...Sd7
- 2.Sac6#
- 2.Qe3#
- 1...Sf7
- 2.Qc4#
- 2.Qe3#
- 1...Rxb3!
- threat
- 1.Sxb3+?
- Keys
- 1.Qh5!
- threat
- 2.Bxe5#
- 2.Qxe5#
- 1...Rxb4
- 2.Qxe5#
- 1...Sxg6
- 2.Qc5#
- 1...e3
- 2.Qxe5#
- 1...Sd3
- 2.Be3#
- 1...Sf3
- 2.Qc5#
- 1...Sc4
- 2.Qc5#
- 1...Sg4
- 2.Qc5#
- 1...Sc6
- 2.Qc5#
- 1...Sd7
- 2.Sec6#
- 1...Sf7
- 2.Qc5#
- threat
- 1.Qh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 8
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- S(f);S_CUTR(b)::QAB1(C)
- S(f);N_GUARD::QAR1(C)
- S(f);N_GUARD::QAR1(C),XS(f)
- S(f);N_GUARD,XP(G)::QAR1(C)
- S(f);N_GUARD,N_SPINS(g),S_CUTB(j)::S(F)
- P(i);N_GUARD::R(J),XS(g)
- Tries
- Try
- S(F);CHECK,XR(b)
- Refutation
- R(a);XS(F)
- Try
- S(H);CHECK
- Vars
- K(d);P-FLIGHT::QAR2(C)
- S(f);XS(H)::QAR1(C)
- Refutation
- B(j);XS(H)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- P(e);::QAB1(C),XS(f)
- Refutation
- B(j);XQ(C)
- Try
- P(A);XR(b)
- Threat
- DUALS(2)
- Vars
- P(e);::QAB1(C),XP(e)
- S(f);::QAB1(C)
- S(f);N_GUARD::QAR1(C),XS(f)
- S(f);N_GUARD::QAR1(C)
- Refutation
- R(a);XP(A)
- Try
- Actual
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(b);XP(D)::QAB1(C),XS(f)
- S(f);OGATE,XP(G)::QAB1(C)
- P(e);::QAB1(C),XS(f)
- S(f);S_CUTR(b)::B(E)
- S(f);OGATE::QAB1(C)
- S(f);N_GUARD,N_SPINS(g),S_CUTB(j)::S(H)
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).