MESON Chess Problem Database
Problem Display
PID: 233954 (2nK4/1pR4p/1p1k3r/r2p1P2/2b2N2/N7/qP1Q2B1/4R3 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Skakbladet, 1969
#2
9 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sxc4#
- 1...Qa1
- 2.Sxc4#
- 1...Qxb2
- 2.Sxc4#
- 1...Rxa3
- 2.Qb4#
- 1...Ra6
- 2.Qb4#
- 1...Ra7
- 2.Qb4#
- 1...Ra8
- 2.Qb4#
- 1...Rh1
- 2.Re6#
- 1...Rh2
- 2.Re6#
- 1...Rh3
- 2.Re6#
- 1...Rh4
- 2.Re6#
- 1...Rh5
- 2.Re6#
- 1...Re6
- 2.Rxe6#
- 1...Bb5
- 2.Qb4#
- 1...b5
- 2.Qb4#
- 1...Qb1
- Tries
- 1.Sb5+?
- 1...Bxb5
- 2.Qb4#
- 1...Rxb5!
- 1...Bxb5
- 1.Sd3?
- threat
- 2.Qf4#
- 2.Qxh6#
- 1...Rh1
- 2.Re6#
- 2.Qf4#
- 1...Rh2
- 2.Re6#
- 2.Qf4#
- 1...Rh3
- 2.Re6#
- 2.Qf4#
- 1...Rh4
- 2.Re6#
- 1...Rh5
- 2.Re6#
- 2.Qf4#
- 1...Re6
- 2.Rxe6#
- 1...Rf6
- 2.Qf4#
- 1...Rg6
- 2.Qf4#
- 1...Se7
- 2.Qf4#
- 1...d4
- 2.Rd7#
- 1...Qxb2!
- threat
- 1.Sh3?
- threat
- 2.Qf4#
- 2.Qxh6#
- 1...Qxb2
- 2.Sxc4#
- 1...Rxh3
- 2.Re6#
- 2.Qf4#
- 1...Be2
- 2.Qf4#
- 1...Rh4
- 2.Re6#
- 1...Rh5
- 2.Re6#
- 2.Qf4#
- 1...Re6
- 2.Rxe6#
- 1...Rf6
- 2.Qf4#
- 1...Rg6
- 2.Qf4#
- 1...Se7
- 2.Qf4#
- 1...d4!
- threat
- 1.Sh5?
- threat
- 2.Qf4#
- 2.Qxh6#
- 1...Qxb2
- 2.Sxc4#
- 1...Rxh5
- 2.Re6#
- 2.Qf4#
- 1...Be2
- 2.Qf4#
- 1...Re6
- 2.Rxe6#
- 1...Rf6
- 2.Qf4#
- 1...Rg6
- 2.Qf4#
- 1...Se7
- 2.Qf4#
- 1...d4!
- threat
- 1.Se6?
- threat
- 2.Qf4#
- 1...Qxb2
- 2.Sxc4#
- 1...Rxe6
- 2.Rxe6#
- 1...d4
- 2.Rd7#
- 1...Rh4!
- threat
- 1.Sg6?
- threat
- 2.Re6#
- 2.Qf4#
- 1...Qxb2
- 2.Sxc4#
- 2.Re6#
- 1...Rxg6
- 2.Qf4#
- 1...Rh4
- 2.Re6#
- 1...Be2
- 2.Qf4#
- 1...d4!
- threat
- 1.Qd4?
- threat
- 2.Qe5#
- 1...Qxb2
- 2.Sxc4#
- 1...Re6
- 2.Rxe6#
- 1...Be2!
- threat
- 1.Sb5+?
- Keys
- 1.Sxd5!
- threat
- 2.Qf4#
- 2.Qxh6#
- 1...Qxb2
- 2.Sxc4#
- 1...Rxd5
- 2.Qxh6#
- 1...Bxd5
- 2.Qf4#
- 1...Be2
- 2.Qf4#
- 1...Rh1
- 2.Re6#
- 2.Qf4#
- 1...Rh2
- 2.Re6#
- 2.Qf4#
- 1...Rh3
- 2.Re6#
- 2.Qf4#
- 1...Rh4
- 2.Re6#
- 1...Rh5
- 2.Re6#
- 2.Qf4#
- 1...Re6
- 2.Rxe6#
- 1...Rf6
- 2.Qf4#
- 1...Rg6
- 2.Qf4#
- 1...Se7
- 2.Qf4#
- threat
- 1.Sxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 12
- Sets
- Q(a);N_GUARD::S(E),XB(b)
- Q(a);N_GUARD,XP(B)::S(E),XB(b)
- R(c);N_GUARD,XS(E)::QAB(C)
- R(c);N_GUARD::QAB(C)
- R(g);N_GUARD::R1(A)
- R(g);N_GUARD::R1(A),XR(g)
- B(b);S_CUTR(c)::QAB(C)
- P(e);S_CUTR(c)::QAB(C)
- Tries
- Try
- S(E);CHECK
- Vars
- B(b);XS(E)::QAB(C)
- Refutation
- R(c);XS(E)
- Try
- S(F);N_PINP(d)
- Threat
- DUALS(2)
- Vars
- R(g);N_GUARD::R1(A)
- R(g);N_GUARD::R1(A),XR(g)
- R(g);::QAB(C)
- S(j);::QAB(C)
- P(d);::R1(H)
- Refutation
- Q(a);XP(B)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XP(B)::S(E),XB(b)
- B(b);::QAB(C)
- R(g);N_GUARD::R1(A)
- R(g);N_GUARD::R1(A),XR(g)
- R(g);::QAB(C)
- S(j);::QAB(C)
- Refutation
- P(d);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XP(B)::S(E),XB(b)
- B(b);::QAB(C)
- R(g);N_GUARD::R1(A),XR(g)
- R(g);::QAB(C)
- S(j);::QAB(C)
- Refutation
- P(d);
- Try
- S(F);
- Threat
- QAB(C)
- Vars
- Q(a);N_GUARD,XP(B)::S(E),XB(b)
- R(g);OGATE,XS(F)::R1(A),XR(g)
- P(d);::R1(H)
- Refutation
- R(g);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(g);XS(F)::QAB(C)
- R(g);::R1(A)
- B(b);::QAB(C)
- Refutation
- P(d);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- Q(a);N_GUARD,XP(B)::S(E),XB(b)
- R(g);N_GUARD::R1(A),XR(g)
- Refutation
- B(b);
- Try
- Actual
- S(F);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XP(B)::S(E),XB(b)
- R(c);P_SPINR(c),XS(F)::QAR(C),XR(g)
- B(b);P_SPINB(b),XS(F)::QAB(C)
- B(b);::QAB(C)
- R(g);N_GUARD::R1(A)
- R(g);N_GUARD::R1(A),XR(g)
- R(g);::QAB(C)
- S(j);::QAB(C)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).