MESON Chess Problem Database
Problem Display
PID: 240720 (8/p1q5/5bBp/1R1P1PnK/2p1kp2/3N1NPp/rB1QPP2/r5n1 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Thema Danicum, 1997
#2
12 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qa5
- 2.Sc5#
- 2.Qxf4#
- 1...Qe5
- 2.Sc5#
- 1...Qb6
- 2.Qxf4#
- 1...Qb8
- 2.Sc5#
- 1...Qd8
- 2.Sc5#
- 2.Qxf4#
- 1...Qc5
- 2.Sxc5#
- 1...Qc6
- 2.Qxf4#
- 1...Qb7
- 2.Sc5#
- 2.Qxf4#
- 1...Qd7
- 2.Sc5#
- 2.Qxf4#
- 1...Qe7
- 2.Qxf4#
- 1...Qf7
- 2.Sc5#
- 2.Qxf4#
- 1...Qg7
- 2.Sc5#
- 2.Qxf4#
- 1...Qh7
- 2.Sc5#
- 2.Qxf4#
- 1...Qc8
- 2.Qxf4#
- 1...Bxb2
- 2.f6#
- 1...Bc3
- 2.f6#
- 1...Bd4
- 2.f6#
- 1...Be5
- 2.f6#
- 1...Be7
- 2.f6#
- 1...Bg7
- 2.f6#
- 1...Bd8
- 2.f6#
- 1...Bh8
- 2.f6#
- 1...Sxe2
- 2.Qxe2#
- 1...Se6
- 2.fxe6#
- 1...cxd3
- 2.Qxd3#
- 1...fxg3
- 2.Qe3#
- 1...Qa5
- Tries
- 1.Sxf4?
- threat
- 2.Qe3#
- 2.Qc2#
- 1...Qxf4
- 2.Qxf4#
- 2.Qc2#
- 1...Rxb2
- 2.Qe3#
- 1...Sxe2
- 2.Qe3#
- 2.Qxe2#
- 1...Qb6
- 2.Qc2#
- 1...Qc5
- 2.Qc2#
- 1...Rc1
- 2.Qe3#
- 1...Rd1
- 2.Qe3#
- 1...Bd4
- 2.Qc2#
- 2.Qxd4#
- 2.f6#
- 1...Ra3!
- threat
- 1.Sde5?
- threat
- 2.Qxf4#
- 2.Qc2#
- 2.Qd4#
- 1...Qxe5
- 2.Qc2#
- 1...Rxb2
- 2.Qxf4#
- 2.Qd4#
- 1...Bxe5
- 2.Qc2#
- 2.f6#
- 1...Sxe2
- 2.Qc2#
- 2.Qxe2#
- 1...S1xf3
- 2.Qxf4#
- 2.Qc2#
- 1...S5xf3
- 2.Qxf4#
- 2.Qc2#
- 1...fxg3
- 2.Qe3#
- 2.Qd4#
- 1...Qb6
- 2.Qxf4#
- 2.Qc2#
- 1...Rc1
- 2.Qxf4#
- 2.Qd4#
- 1...Rd1
- 2.Qxf4#
- 1...Ra3
- 2.Qxf4#
- 2.Qd4#
- 1...Se6
- 2.Qc2#
- 2.fxe6#
- 1...Qc5!
- threat
- 1.Sxg5+?
- 1...Bxg5
- 2.f6#
- 1...hxg5!
- 1...Bxg5
- 1.Be5?
- threat
- 2.Qxf4#
- 1...Qxe5
- 2.Sc5#
- 1...Rxd2
- 2.Sxd2#
- 1...Bxe5
- 2.f6#
- 1...fxg3
- 2.Qe3#
- 2.Qf4#
- 1...Qc5
- 2.Sxc5#
- 1...Se6
- 2.fxe6#
- 1...Sxe2!
- threat
- 1.Qc2?
- threat
- 2.Sc1#
- 2.Sde1#
- 2.Sb4#
- 2.Sxf4#
- 2.Sde5#
- 2.Sd2#
- 1...Rxb2
- 2.Sxb2#
- 1...Bxb2
- 2.Sc1#
- 2.Sde1#
- 2.Sxb2#
- 2.Sb4#
- 2.Sxf4#
- 2.Sde5#
- 2.f6#
- 1...Sxe2
- 2.Sde1#
- 2.Sde5#
- 2.Sd2#
- 2.Qxe2#
- 1...S1xf3
- 2.Sc1#
- 2.Se1#
- 2.Sb4#
- 2.Sxf4#
- 2.Se5#
- 1...S5xf3
- 2.Sc1#
- 2.Se1#
- 2.Sb4#
- 2.Sxf4#
- 2.Se5#
- 1...cxd3
- 2.Sd2#
- 2.Qxd3#
- 1...fxg3
- 2.Sd2#
- 1...Qc5
- 2.Sb4#
- 2.Sxf4#
- 1...Qa5
- 2.Sc1#
- 2.Sde1#
- 2.Sb4#
- 2.Sxf4#
- 2.Sde5#
- 1...Qe5
- 2.Sc1#
- 2.Sde1#
- 2.Sb4#
- 2.Sxf4#
- 2.Sdxe5#
- 2.Sd2#
- 1...Rc1
- 2.Sxc1#
- 2.Sd2#
- 1...Re1
- 2.Sc1#
- 2.Sdxe1#
- 2.Sb4#
- 2.Sxf4#
- 2.Sde5#
- 2.Sd2#
- 1...Ra3
- 2.Sd2#
- 1...Bc3
- 2.Sc1#
- 2.Sde1#
- 2.Sb4#
- 2.Sxf4#
- 2.Sde5#
- 2.f6#
- 1...Be5
- 2.Sc1#
- 2.Sde1#
- 2.Sb4#
- 2.Sxf4#
- 2.Sdxe5#
- 2.Sd2#
- 2.f6#
- 1...c3
- 2.Sc1#
- 2.Sde1#
- 2.Sb4#
- 2.Sxf4#
- 2.Sde5#
- 1...Rd1!
- threat
- 1.gxf4?
- threat
- 2.Qe3#
- 1...Qxf4
- 2.Sc5#
- 2.Qxf4#
- 1...Qc5
- 2.Sxc5#
- 1...Bd4
- 2.f6#
- 1...Qb6!
- threat
- 1.d6?
- threat
- 2.Qxf4#
- 1...Sxe2
- 2.Qxe2#
- 1...fxg3
- 2.Qe3#
- 2.Qf4#
- 1...Qc5
- 2.Sxc5#
- 1...Be5
- 2.Rxe5#
- 2.f6#
- 1...Se6
- 2.fxe6#
- 1...Qxd6!
- threat
- 1.Sxf4?
- Keys
- 1.Sfe5!
- threat
- 2.Qxf4#
- 1...Qxe5
- 2.Sc5#
- 1...Bxe5
- 2.f6#
- 1...Sxe2
- 2.Qxe2#
- 1...fxg3
- 2.Qe3#
- 2.Qf4#
- 1...Qc5
- 2.Sxc5#
- 1...Se6
- 2.fxe6#
- 1...f3
- 2.Qe3#
- 2.Qf4#
- threat
- 1.Sfe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- Q(l);N_GUARD::S(E)
- Q(l);N_GUARD::QAR1(B),XP(g)
- Q(l);N_GUARD::S(E),XQ(l)
- B(i);OGATE,XB(A)::B(L)+P(J)
- B(i);OGATE::B(L)+P(J)
- S(b);OGATE,XP(C)::QAR2(B),XS(b)
- S(h);OGATE::B(L)+P(J),XS(h)
- P(e);OGATE,XS(E)::QAB1(B),XP(e)
- P(g);N_GUARD,XP(G)::QAR1(B)
- Tries
- Try
- S(E);XP(g)
- Threat
- DUALS(2)
- Vars
- R(c);XB(A)::QAR1(B)
- Q(l);::QAB(B)
- R(a);::QAR1(B)
- Refutation
- R(c);
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- Q(l);XS(E)::QAB(B)
- R(a);::QAR1(B),XP(g)
- Refutation
- Q(l);
- Try
- S(F);CHECK,XS(h)
- Vars
- B(i);OGATE,XS(F)::B(L)+P(J)
- Refutation
- P(j);XS(F)
- Try
- B(A);
- Threat
- QAR1(B),XP(g)
- Vars
- Q(l);N_GUARD,XB(A)::S(E)
- R(c);XQ(B)::S(F),XR(c)
- B(i);OGATE,XB(A)::B(L)+P(J)
- Q(l);N_GUARD::S(E),XQ(l)
- S(h);OGATE::B(L)+P(J),XS(h)
- Refutation
- S(b);XP(C)
- Try
- Q(B);
- Threat
- DUALS(6)
- Vars
- R(c);XB(A)::QAB(B)+S(E),XR(c)
- P(g);XP(G)::S(F)
- R(c);::S(F)
- Refutation
- R(a);
- Try
- P(G);XP(g)
- Threat
- QAR1(B)
- Vars
- Q(l);N_GUARD::S(E),XQ(l)
- B(i);OGATE::B(L)+P(J)
- Refutation
- Q(l);
- Try
- P(I);
- Threat
- QAR1(B),XP(g)
- Vars
- S(b);OGATE,XP(C)::QAR2(B),XS(b)
- Q(l);N_GUARD::S(E),XQ(l)
- S(h);OGATE::B(L)+P(J),XS(h)
- Refutation
- Q(l);XP(I)
- Try
- Actual
- S(F);
- Threat
- QAR1(B),XP(g)
- Vars
- Q(l);N_GUARD,XS(F)::S(E)
- B(i);OGATE,XS(F)::B(L)+P(J)
- S(b);OGATE,XP(C)::QAR2(B),XS(b)
- Q(l);N_GUARD::S(E),XQ(l)
- S(h);OGATE::B(L)+P(J),XS(h)
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