MESON Chess Problem Database
Problem Display
PID: 233971 (3R1K2/3pP3/2pk4/3N1P2/3Q1P2/2P1rn2/5BB1/8 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
2nd HM., Skakbladet, 1997
#2
10 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qc5#
- 1...Re2
- 2.Qc5#
- 1...Rxc3
- 2.e8S#
- 1...Rd3
- 2.Qc5#
- 2.e8S#
- 1...Re4
- 2.Qc5#
- 1...Re5
- 2.Qc5#
- 1...Re6
- 2.Qc5#
- 1...Rxe7
- 2.Qc5#
- 1...Se5
- 2.e8S#
- 1...cxd5
- 2.Qb6#
- 1...Re1
- Tries
- 1.Bxe3?
- threat
- 2.Qc5#
- 2.e8S#
- 1...cxd5
- 2.Qc5#
- 2.Qb6#
- 1...c5
- 2.Qxc5#
- 1...Sxd4!
- threat
- 1.Bxf3?
- 1...Rxc3
- 2.Qe5#
- 2.Qf6#
- 2.e8S#
- 1...Rxf3
- 2.Qc5#
- 2.Qe5#
- 2.e8S#
- 1...Rxe7
- 2.Qc5#
- 1...cxd5
- 2.Qb6#
- 1...Re1
- 2.Qc5#
- 1...Re2
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 2.Qe5#
- 2.Qf6#
- 2.e8S#
- 1...Re4
- 2.Qc5#
- 1...Re5
- 2.Qc5#
- 2.Qxe5#
- 2.fxe5#
- 1...Re6
- 2.Qc5#
- 1...c5!
- 1...Rxc3
- 1.Rc8?
- 1...Rxc3
- 2.e8S#
- 1...Rxe7
- 2.Qc5#
- 1...cxd5
- 2.Qc5#
- 2.Qb6#
- 2.Qb4#
- 1...Se1
- 2.Sxe3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 1...Re1
- 2.Qc5#
- 1...Re2
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 2.e8S#
- 1...Re4
- 2.Qc5#
- 1...Re5
- 2.Qc5#
- 1...Re6
- 2.Qc5#
- 1...Sg1
- 2.Sxe3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 1...Sd2
- 2.Sxe3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 1...Sh2
- 2.Sxe3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 1...Sh4
- 2.Sxe3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 1...Se5
- 2.Sxe3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.e8S#
- 1...Sg5
- 2.Sxe3#
- 2.Sb4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 1...c5
- 2.Qxc5#
- 1...Sxd4!
- 1...Rxc3
- 1.Qxe3?
- threat
- 2.Qc5#
- 2.Qe6#
- 1...Kxd5
- 2.Qd4#
- 2.Qd3#
- 2.Qe6#
- 1...cxd5
- 2.Qc5#
- 2.Qb6#
- 1...c5
- 2.Qxc5#
- 2.Qe6#
- 1...Se5
- 2.Qc5#
- 2.Qxe5#
- 2.fxe5#
- 2.e8S#
- 1...Sg5
- 2.Qc5#
- 2.Qe5#
- 2.e8S#
- 1...Sd4!
- threat
- 1.Qf6+?
- 1...Kxd5
- 2.Qd4#
- 1...Re6
- 2.Qxe6#
- 1...Kc5!
- 1...Kxd5
- 1.Qb4+?
- 1...Kxd5
- 2.Rxd7#
- 2.Qd4#
- 1...c5!
- 1...Kxd5
- 1.Bxe3?
- Keys
- 1.Qa7!
- threat
- 2.Rxd7#
- 1...Kxd5
- 2.Qd4#
- 1...Rxe7
- 2.Qc5#
- 1...cxd5
- 2.Qb6#
- 1...c5
- 2.Qxd7#
- 1...Se5
- 2.e8S#
- threat
- 1.Qa7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(a);::QAB1(D)
- R(a);N_GUARD,XP(C)::P=S
- R(a);XP(H)::QAB1(D)
- S(b);S_CUTR(a)::P=S
- P(c);N_SPINP(e),OGATEB,P_SPINP(c),SBLOCK,XS(F)::QAR2(D)
- Tries
- Try
- B(A);XR(a)
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(D),XP(c)
- Refutation
- S(b);XQ(D)
- Try
- B(B);XS(b)
- Vars
- R(a);XP(H)::QAB1(D)
- P(c);N_SPINP(e),OGATEB,P_SPINP(c),XS(F)::QAR2(D)
- R(a);::QAB1(D)
- Refutation
- P(c);
- Try
- R(I);N_PINP(e)
- Vars
- R(a);N_GUARD,XP(C)::P=S
- R(a);XP(H)::QAB1(D)
- R(a);::QAB1(D)
- P(c);::QAB1(D),XP(c)
- Refutation
- S(b);XQ(D)
- Try
- Q(D);XR(a)
- Threat
- DUALS(2)
- Refutation
- S(b);
- Try
- Q(D);CHECK
- Vars
- K(d);OGATEB,P-FLIGHT,P_SPINS(b),XS(F)::QAR1(D)
- R(a);N_GUARD,P_SPINR(a)::QAR1(D),XR(a)
- Refutation
- K(d);N_SPINP(e),P_SPINR(a),S_FLIGHT
- Try
- Q(D);CHECK
- Refutation
- P(c);N_SPINP(e),P_SPINP(c)
- Try
- Actual
- Q(D);
- Threat
- R1(I),XP(e)
- Vars
- K(d);OGATEB,P-FLIGHT,P_SPINS(b),XS(F)::QAR1(D)
- R(a);XP(H)::QAB1(D)
- P(c);OGATEB,SBLOCK,XS(F)::QAR2(D)
- P(c);SBLOCK::QAR1(D),XP(e)
- S(b);S_CUTR(a)::P=S
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