MESON Chess Problem Database
Problem Display
PID: 252804 (6n1/1pPB4/1R1p2P1/1N1kbN2/n1pPpp1p/P2R3K/8/3Q4 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Schakend Nederland, 1982
#2
11 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bf6
- 2.Rxd6#
- 1...Bg7
- 2.Rxd6#
- 1...Bh8
- 2.Rxd6#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sxb6
- 2.Sc3#
- 1...Sf6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...cxd3
- 2.Qb3#
- 1...c3
- 2.Qb3#
- 1...exd3
- 2.Qf3#
- 1...e3
- 2.Qf3#
- 1...f3
- 2.Se3#
- 1...Bf6
- Tries
- 1.Rd2?
- 1...Sxb6
- 2.Sc3#
- 1...c3
- 2.Qb3#
- 1...e3
- 2.Qf3#
- 1...Sf6
- 2.Se7#
- 1...Bf6
- 2.Rxd6#
- 1...Bg7
- 2.Rxd6#
- 1...Bh8
- 2.Rxd6#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Se3#
- 1...Bxd4!
- 1...Sxb6
- 1.Rb3?
- 1...Bxd4
- 2.Qxd4#
- 1...Sxb6
- 2.Sc3#
- 1...cxb3
- 2.Qxb3#
- 1...e3
- 2.Qf3#
- 1...Sf6
- 2.Se7#
- 1...Bf6
- 2.Rxd6#
- 1...Bg7
- 2.Rxd6#
- 1...Bh8
- 2.Rxd6#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Se3#
- 1...c3!
- 1...Bxd4
- 1.Re3?
- 1...Bxd4
- 2.Qxd4#
- 1...Sxb6
- 2.Sc3#
- 1...fxe3
- 2.Sxe3#
- 1...c3
- 2.Qb3#
- 1...Sf6
- 2.Se7#
- 1...Bf6
- 2.Rxd6#
- 1...Bg7
- 2.Rxd6#
- 1...Bh8
- 2.Rxd6#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3!
- 1...Bxd4
- 1.Rf3?
- 1...Bxd4
- 2.Qxd4#
- 1...Sxb6
- 2.Sc3#
- 1...exf3
- 2.Qxf3#
- 1...c3
- 2.Qb3#
- 1...Sf6
- 2.Se7#
- 1...Bf6
- 2.Rxd6#
- 1...Bg7
- 2.Rxd6#
- 1...Bh8
- 2.Rxd6#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...e3!
- 1...Bxd4
- 1.Rg3?
- 1...Bxd4
- 2.Qxd4#
- 1...Sxb6
- 2.Sc3#
- 1...fxg3
- 2.Se3#
- 1...c3
- 2.Qb3#
- 1...e3
- 2.Qf3#
- 1...Sf6
- 2.Se7#
- 1...Bf6
- 2.Rxd6#
- 1...Bg7
- 2.Rxd6#
- 1...Bh8
- 2.Rxd6#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Se3#
- 1...hxg3!
- 1...Bxd4
- 1.Qe2?
- 1...Sxb6
- 2.Sc3#
- 1...cxd3
- 2.Qa2#
- 1...exd3
- 2.Qf3#
- 1...c3
- 2.Qa2#
- 1...e3
- 2.Qf3#
- 1...Sf6
- 2.Se7#
- 1...Bf6
- 2.Rxd6#
- 1...Bg7
- 2.Rxd6#
- 1...Bh8
- 2.Rxd6#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Se3#
- 1...Bxd4!
- 1...Sxb6
- 1.Qxa4?
- threat
- 2.Sc3#
- 1...c3
- 2.Sxc3#
- 2.Qb3#
- 1...Bxd4!
- threat
- 1.g7?
- 1...Bxg7
- 2.Rxd6#
- 1...Sxb6
- 2.Sc3#
- 1...cxd3
- 2.Qb3#
- 1...exd3
- 2.Qf3#
- 1...c3
- 2.Qb3#
- 1...e3
- 2.Qf3#
- 1...Sf6
- 2.Se7#
- 1...Bf6
- 2.Rxd6#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...f3
- 2.Se3#
- 1...Bxd4!
- 1...Bxg7
- 1.c8Q?
- threat
- 2.Sc7#
- 2.Be6#
- 2.Qxb7#
- 2.Qxg8#
- 1...cxd3
- 2.Be6#
- 2.Qb3#
- 2.Qxg8#
- 1...exd3
- 2.Qf3#
- 2.Qxb7#
- 1...e3
- 2.Qf3#
- 2.Qxb7#
- 1...Sf6
- 2.Sc7#
- 2.Se7#
- 2.Be6#
- 2.Qxb7#
- 1...Sc5
- 2.Sc3#
- 2.Sc7#
- 1...Sh6
- 2.Sc7#
- 2.Se7#
- 2.Be6#
- 2.Qxb7#
- 1...Se7
- 2.Sc7#
- 2.Sxe7#
- 2.Be6#
- 1...c3
- 2.Be6#
- 2.Qb3#
- 2.Qxg8#
- 1...Bxd4!
- threat
- 1.c8S?
- threat
- 2.Sc7#
- 1...cxd3
- 2.Qb3#
- 1...exd3
- 2.Qf3#
- 1...c3
- 2.Qb3#
- 1...e3
- 2.Qf3#
- 1...Bxd4!
- threat
- 1.c8B?
- threat
- 2.Sc7#
- 2.Be6#
- 2.Bxb7#
- 1...Sxb6
- 2.Sc3#
- 2.Sc7#
- 2.Bxb7#
- 1...cxd3
- 2.Be6#
- 2.Qb3#
- 1...exd3
- 2.Bxb7#
- 2.Qf3#
- 1...c3
- 2.Be6#
- 2.Qb3#
- 1...e3
- 2.Bxb7#
- 2.Qf3#
- 1...Sc5
- 2.Sc3#
- 2.Sc7#
- 1...Se7
- 2.Sc7#
- 2.Sxe7#
- 2.Be6#
- 1...Bxd4!
- threat
- 1.c8R?
- threat
- 2.Sc7#
- 1...cxd3
- 2.Qb3#
- 1...exd3
- 2.Qf3#
- 1...e3
- 2.Qf3#
- 1...c3
- 2.Qb3#
- 1...Bxd4!
- threat
- 1.Rd2?
- Keys
- 1.Sg7!
- threat
- 2.Be6#
- 1...Bxd4
- 2.Qh5#
- 1...Bxg7
- 2.Rxd6#
- 1...Sxb6
- 2.Sc3#
- 1...exd3
- 2.Qf3#
- 1...e3
- 2.Qf3#
- 1...Sc5
- 2.Sc3#
- threat
- 1.Sg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- B(g);N_GUARD::R1(H),XP(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(a);N_GUARD,XR(H)::S(F)
- S(j);N_GUARD::S(G)
- S(j);N_GUARD::S(G),XS(j)
- P(b);OGATEB,XR(C)::QAB(A)
- P(b);OGATEB::QAB(A)
- P(c);OGATEB,XR(C)::QAB(A)
- P(c);OGATEB::QAB(A)
- P(d);N_GUARD::S(G)
- Tries
- Try
- R(C);
- Vars
- S(a);N_GUARD,XR(H)::S(F)
- P(b);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- S(j);N_GUARD::S(G)
- B(g);N_GUARD::R1(H),XP(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(j);N_GUARD::S(G),XS(j)
- P(d);N_GUARD::S(G)
- Refutation
- B(g);P_SPINB(g),XP(E)
- Try
- R(C);
- Vars
- B(g);OGATE,P_SPINB(g),XP(E)::QAR1(A),XB(g)
- S(a);N_GUARD,XR(H)::S(F)
- P(b);OGATE,XR(C)::QAB(A),XP(b)
- P(c);OGATEB::QAB(A)
- S(j);N_GUARD::S(G)
- B(g);N_GUARD::R1(H),XP(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(j);N_GUARD::S(G),XS(j)
- P(d);N_GUARD::S(G)
- Refutation
- P(b);
- Try
- R(C);
- Vars
- B(g);OGATE,P_SPINB(g),XP(E)::QAR1(A),XB(g)
- S(a);N_GUARD,XR(H)::S(F)
- P(d);XR(C)::S(G),XP(d)
- P(b);OGATEB::QAB(A)
- S(j);N_GUARD::S(G)
- B(g);N_GUARD::R1(H),XP(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(j);N_GUARD::S(G),XS(j)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- B(g);OGATE,P_SPINB(g),XP(E)::QAR1(A),XB(g)
- S(a);N_GUARD,XR(H)::S(F)
- P(c);OGATE,XR(C)::QAB(A),XP(c)
- P(b);OGATEB::QAB(A)
- S(j);N_GUARD::S(G)
- B(g);N_GUARD::R1(H),XP(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(j);N_GUARD::S(G),XS(j)
- Refutation
- P(c);
- Try
- R(C);
- Vars
- B(g);OGATE,P_SPINB(g),XP(E)::QAR1(A),XB(g)
- S(a);N_GUARD,XR(H)::S(F)
- P(d);N_GUARD,XR(C)::S(G)
- P(b);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- S(j);N_GUARD::S(G)
- B(g);N_GUARD::R1(H),XP(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(j);N_GUARD::S(G),XS(j)
- P(d);N_GUARD::S(G)
- Refutation
- P(e);XR(C)
- Try
- Q(A);
- Vars
- S(a);N_GUARD,XR(H)::S(F)
- P(b);OGATEB,XR(C)::QAB(A)
- P(c);OGATEB,XR(C)::QAB(A)
- P(b);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- S(j);N_GUARD::S(G)
- B(g);N_GUARD::R1(H),XP(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(j);N_GUARD::S(G),XS(j)
- P(d);N_GUARD::S(G)
- Refutation
- B(g);P_SPINB(g),XP(E)
- Try
- Q(A);XS(a)
- Threat
- S(F)
- Refutation
- B(g);P_SPINB(g),XP(E)
- Try
- P(I);
- Vars
- B(g);N_GUARD,XP(I)::R1(H),XP(h)
- S(a);N_GUARD,XR(H)::S(F)
- P(b);OGATEB,XR(C)::QAB(A)
- P(c);OGATEB,XR(C)::QAB(A)
- P(b);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- S(j);N_GUARD::S(G)
- B(g);N_GUARD::R1(H),XP(h)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- S(j);N_GUARD::S(G),XS(j)
- P(d);N_GUARD::S(G)
- Refutation
- B(g);P_SPINB(g),XP(E)
- Try
- P(J);
- Threat
- DUALS(4)
- Refutation
- B(g);P_SPINB(g),XP(E)
- Try
- P(J);
- Threat
- S(F)
- Vars
- P(b);OGATEB,XR(C)::QAB(A)
- P(c);OGATEB,XR(C)::QAB(A)
- P(b);OGATEB::QAB(A)
- P(c);OGATEB::QAB(A)
- Refutation
- B(g);P_SPINB(g),XP(E)
- Try
- P(J);
- Threat
- DUALS(3)
- Refutation
- B(g);P_SPINB(g),XP(E)
- Try
- P(J);
- Threat
- S(F)
- Vars
- P(b);OGATEB,XR(C)::QAB(A)
- P(c);OGATEB,XR(C)::QAB(A)
- P(c);OGATEB::QAB(A)
- P(b);OGATEB::QAB(A)
- Refutation
- B(g);P_SPINB(g),XP(E)
- Try
- Actual
- S(G);
- Threat
- B(K)
- Vars
- B(g);OGATEB,P_SPINB(g),XP(E)::QAR(A)
- B(g);N_GUARD,XS(G)::R1(H),XP(h)
- S(a);N_GUARD,XR(H)::S(F)
- P(c);OGATEB,XR(C)::QAB(A)
- P(c);OGATEB::QAB(A)
- S(a);N_GUARD::S(F)
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