MESON Chess Problem Database
Problem Display
PID: 176533 (6B1/1r2P3/n2p1QN1/2pPNp2/R2Bk2P/3p1p1K/3pbp2/3r1n2 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Schach-Echo, 1967
#2
10 + 13
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...f4
- 2.Qxf4#
- 1...dxe5
- 2.Qxe5#
- 1...f4
- Tries
- 1.Sxf3?
- threat
- 2.Sg5#
- 1...Kxf3
- 2.Qxf5#
- 1...Bxf3
- 2.Qe6#
- 1...cxd4!
- threat
- 1.Sc4?
- threat
- 2.Sxd6#
- 1...cxd4
- 2.Qe6#
- 1...Rb6
- 2.e8Q#
- 2.e8R#
- 1...Rd7!
- threat
- 1.Sg4?
- threat
- 2.Sxf2#
- 2.Qe6#
- 1...Rxe7
- 2.Sxf2#
- 2.Qxe7#
- 1...cxd4
- 2.Rxd4#
- 2.Qxd4#
- 2.Qe6#
- 1...Rb4
- 2.Sxf2#
- 2.e8Q#
- 2.e8R#
- 1...Sb4
- 2.Sxf2#
- 1...Sc7
- 2.Sxf2#
- 1...c4
- 2.Sxf2#
- 1...fxg4+!
- threat
- 1.Sc6?
- threat
- 2.Qe6#
- 1...Rxe7
- 2.Qxe7#
- 1...Sc7!
- threat
- 1.Sd7?
- threat
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rxd7
- 2.Qe6#
- 1...cxd4
- 2.Qxd4#
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Ra1
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rdb1
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rc1
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Re1
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rbb1
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rb2
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rb3
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rb4
- 2.e8Q#
- 2.e8R#
- 1...Rb5
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rb6
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Ra7
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rc7
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Rb8
- 2.Qe6#
- 1...Sh2
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Se3
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Sg3
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Sb4
- 2.e8Q#
- 2.e8R#
- 1...Sb8
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...c4
- 2.e8Q#
- 2.e8R#
- 1...f4
- 2.Qxf4#
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Sc7!
- threat
- 1.Sf7?
- threat
- 2.Sg5#
- 2.Sxd6#
- 2.Qe6#
- 1...Rxe7
- 2.Sg5#
- 2.Sxd6#
- 1...cxd4
- 2.Qxd4#
- 2.Qe6#
- 1...Sc7
- 2.Sg5#
- 2.Sxd6#
- 1...Rb4
- 2.Sg5#
- 2.Sxd6#
- 1...Rb6
- 2.Sg5#
- 2.Qe6#
- 1...Rd7
- 2.Sg5#
- 2.Qe6#
- 1...Sb4
- 2.Sg5#
- 2.Sxd6#
- 1...c4
- 2.Sg5#
- 2.Sxd6#
- 1...Kxd5!
- threat
- 1.Qg5?
- threat
- 2.Qf4#
- 1...f4
- 2.Qxf4#
- 1...dxe5!
- threat
- 1.Sxf3?
- Keys
- 1.Sxd3!
- threat
- 2.Sxf2#
- 1...Kxd3
- 2.Qxf5#
- 1...Bxd3
- 2.Qe6#
- 1...cxd4
- 2.Qxd4#
- threat
- 1.Sxd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- P(j);OGATE::QAR1(G),XP(j)
- P(l);OGATE,XS(F)::QAR1(G),XP(l)
- Tries
- Try
- S(F);XP(g)
- Threat
- S(F)
- Vars
- K(h);P_SPINP(j),S_FLIGHT,XS(F)::QAR2(G),XP(j)
- B(d);SBLOCK,XS(F)::QAR2(G)
- Refutation
- P(i);P_SPINP(i),XB(C)
- Try
- S(F);
- Threat
- S(F),XP(l)
- Vars
- P(i);SBLOCK,XB(C)::QAR2(G)
- R(m);N_GUARD::P=Q
- Refutation
- R(m);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(k);::S(F),XP(e)
- P(i);::S(F),XP(e)
- Refutation
- P(j);CHECK,XS(F)
- Try
- S(F);
- Threat
- QAR2(G)
- Vars
- R(m);OGATE,XP(I)::QAR(G),XR(m)
- Refutation
- S(k);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(m);XS(F)::QAR2(G)
- R(m);::P=Q
- R(m);::QAR2(G)
- S(k);::P=Q
- P(i);::P=Q
- Refutation
- S(k);
- Try
- S(F);
- Threat
- DUALS(3)
- Refutation
- K(h);S_FLIGHT,XP(E)
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- P(j);::QAR1(G),XP(j)
- Refutation
- P(l);XS(F)
- Try
- Actual
- S(F);XP(f)
- Threat
- S(F),XP(e)
- Vars
- K(h);S_FLIGHT,XS(F)::QAB(G),XP(j)
- B(d);SBLOCK,XS(F)::QAR2(G)
- P(i);OGATE,P_SPINP(i),XB(C)::QAR1(G),XP(i)
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