MESON Chess Problem Database
Problem Display
PID: 73724 (2n1R3/8/3r1p1b/3R1p1K/1BPpNkNp/1q1B3Q/r3p1pP/7b w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
1st Place, Scandinavian Match, 1947
#2
10 + 13
| 5559 | ECSC | 2007 |
| 56 | The Problemist | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bd2#
- 1...Rd2
- 2.Bxd2#
- 1...Ra3
- 2.Bd2#
- 1...Ra4
- 2.Bd2#
- 1...Ra5
- 2.Bd2#
- 1...Raa6
- 2.Bd2#
- 1...Ra7
- 2.Bd2#
- 1...Ra8
- 2.Bd2#
- 1...Sb6
- 2.Bxd6#
- 1...Sa7
- 2.Bxd6#
- 1...Se7
- 2.Bxd6#
- 1...fxe4
- 2.Rxe4#
- 1...Ra1
- Tries
- 1.Sd2?
- threat
- 2.Rxf5#
- 2.Qf3#
- 1...Rxd2
- 2.Bxd2#
- 2.Rxf5#
- 1...Rxd5
- 2.Qf3#
- 1...fxg4
- 2.Rf5#
- 2.Re4#
- 2.Qxg4#
- 1...e1S
- 2.Rxf5#
- 1...g1Q
- 2.Rxf5#
- 1...g1S
- 2.Rxf5#
- 1...g1B
- 2.Rxf5#
- 1...g1R
- 2.Rxf5#
- 1...Ra5
- 2.Qf3#
- 1...Se7
- 2.Bxd6#
- 2.Qf3#
- 1...Qxd3!
- threat
- 1.Sef2?
- threat
- 2.Rxf5#
- 1...Qxd3
- 2.Sxd3#
- 1...fxg4
- 2.Rf5#
- 2.Re4#
- 2.Qxg4#
- 1...Ra5
- 2.Bd2#
- 1...Se7
- 2.Bxd6#
- 1...Rxd5!
- threat
- 1.Sc5?
- threat
- 2.Rxf5#
- 1...Qxd3
- 2.Sxd3#
- 1...Rxd5
- 2.Se6#
- 1...fxg4
- 2.Rf5#
- 2.Re4#
- 2.Qxg4#
- 1...Se7!
- threat
- 1.Sg5?
- threat
- 2.Rxf5#
- 2.Qf3#
- 1...Rxd5
- 2.Se6#
- 2.Qf3#
- 1...Bxg5
- 2.Rxf5#
- 1...fxg4
- 2.Rf5#
- 2.Re4#
- 2.Qxg4#
- 1...fxg5
- 2.Rxf5#
- 1...e1S
- 2.Rxf5#
- 1...g1Q
- 2.Rxf5#
- 1...g1S
- 2.Rxf5#
- 1...g1B
- 2.Rxf5#
- 1...g1R
- 2.Rxf5#
- 1...Ra5
- 2.Bd2#
- 2.Qf3#
- 1...Se7
- 2.Bxd6#
- 2.Qf3#
- 1...Qxd3!
- threat
- 1.Sxd6?
- threat
- 2.Rxd4#
- 2.Rxf5#
- 1...Qxc4
- 2.Rxf5#
- 1...Sxd6
- 2.Bxd6#
- 1...fxg4
- 2.Rxd4#
- 2.Rf5#
- 2.Re4#
- 2.Qxg4#
- 1...e1Q
- 2.Rxf5#
- 1...e1R
- 2.Rxf5#
- 1...g1Q
- 2.Rxf5#
- 1...g1S
- 2.Rxf5#
- 1...g1B
- 2.Rxf5#
- 1...g1R
- 2.Rxf5#
- 1...Qb2
- 2.Rxf5#
- 1...Qc3
- 2.Rxf5#
- 1...Ra5
- 2.Bd2#
- 2.Rxd4#
- 1...Se7
- 2.Rxd4#
- 1...Qxd3!
- threat
- 1.Sexf6?
- threat
- 2.Rxf5#
- 1...Rxd5
- 2.Sxd5#
- 1...Rxf6
- 2.Rxd4#
- 1...fxg4
- 2.Rf5#
- 2.Re4#
- 2.Qxg4#
- 1...Ra5
- 2.Bd2#
- 1...Se7
- 2.Bxd6#
- 1...Qxd3!
- threat
- 1.Sgf2?
- threat
- 2.Rxf5#
- 1...fxe4
- 2.Rf5#
- 2.Rxe4#
- 1...Ra5
- 2.Bd2#
- 1...Se7
- 2.Bxd6#
- 1...Rxd5!
- threat
- 1.Se3?
- threat
- 2.Rxf5#
- 1...Rxd5
- 2.Sxd5#
- 1...fxe4
- 2.Rf5#
- 2.Rxe4#
- 1...Se7
- 2.Bxd6#
- 1...Ra5!
- threat
- 1.Sgxf6?
- threat
- 2.Rxf5#
- 1...Rxd5
- 2.Sxd5#
- 1...fxe4
- 2.Rf5#
- 2.Rxe4#
- 1...Ra5
- 2.Bd2#
- 1...Se7
- 2.Bxd6#
- 1...Rxf6!
- threat
- 1.Sxh6?
- threat
- 2.Rxf5#
- 1...fxe4
- 2.Rf5#
- 2.Rxe4#
- 1...Ra5
- 2.Bd2#
- 1...Se7
- 2.Bxd6#
- 1...Rxd5!
- threat
- 1.Sd2?
- Keys
- 1.Sc3!
- threat
- 2.Rxf5#
- 1...Rxd5
- 2.Sxd5#
- 1...fxg4
- 2.Rf5#
- 2.Re4#
- 2.Qxg4#
- 1...Ra5
- 2.Sxe2#
- 1...Se7
- 2.Bxd6#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(b);N_GUARD::B(D)
- R(b);N_GUARD::B(D),XR(b)
- S(m);N_GUARD::B(D),XR(j)
- P(i);OGATE,XS(F)::R1(J),XP(i)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(j);XR(H)::QAR1(C)
- P(c);::R1(H),XP(i)
- P(d);::R1(H),XP(i)
- R(b);::QAR1(C)
- Refutation
- Q(e);XB(B)
- Try
- S(F);
- Threat
- R1(H),XP(i)
- Vars
- Q(e);XB(B)::S(F),XQ(e)
- R(b);N_GUARD::B(D)
- S(m);N_GUARD::B(D),XR(j)
- Refutation
- R(j);XR(H)
- Try
- S(F);
- Threat
- R1(H),XP(i)
- Vars
- Q(e);XB(B)::S(F),XQ(e)
- R(j);N_GUARD,XR(H)::S(F)
- Refutation
- S(m);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- B(l);XS(F)::R1(H),XP(i)
- P(k);XS(F)::R1(H),XP(i)
- P(c);::R1(H),XP(i)
- P(d);::R1(H),XP(i)
- Refutation
- Q(e);XB(B)
- Try
- S(F);XR(j)
- Threat
- DUALS(2)
- Vars
- Q(e);XP(E)::R1(H),XP(i)
- S(m);OGATE,XS(F)::B(D),XS(m)
- P(c);::R1(H),XP(i)
- P(d);::R1(H),XP(i)
- Q(e);::R1(H),XP(i)
- S(m);::R(H),XP(f)
- Refutation
- Q(e);XB(B)
- Try
- S(F);XP(k)
- Threat
- R1(H),XP(i)
- Vars
- R(j);XR(H)::S(F),XR(j)
- R(j);N_GUARD,XS(F)::R(H),XP(f)
- R(b);N_GUARD::B(D)
- S(m);N_GUARD::B(D),XR(j)
- Refutation
- Q(e);XB(B)
- Try
- S(G);
- Threat
- R1(H),XP(i)
- Vars
- R(b);N_GUARD::B(D)
- S(m);N_GUARD::B(D),XR(j)
- Refutation
- R(j);XR(H)
- Try
- S(G);
- Threat
- R1(H),XP(i)
- Vars
- R(j);XR(H)::S(G),XR(j)
- S(m);N_GUARD::B(D),XR(j)
- Refutation
- R(b);
- Try
- S(G);XP(k)
- Threat
- R1(H),XP(i)
- Vars
- R(j);XR(H)::S(G),XR(j)
- R(b);N_GUARD::B(D)
- S(m);N_GUARD::B(D),XR(j)
- Refutation
- R(j);XS(G)
- Try
- S(G);XB(l)
- Threat
- R1(H),XP(i)
- Vars
- R(b);N_GUARD::B(D)
- S(m);N_GUARD::B(D),XR(j)
- Refutation
- R(j);XR(H)
- Try
- Actual
- S(F);
- Threat
- R1(H),XP(i)
- Vars
- R(j);XR(H)::S(F),XR(j)
- R(b);N_GUARD::S(F),XP(c)
- S(m);N_GUARD::B(D),XR(j)
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