MESON Chess Problem Database
Problem Display
PID: 117265 (b3N3/1B6/2qR4/2R1n3/N2pkpPb/p4p1K/3PP1Q1/8 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Lobusov JT, 1992
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Sf6#
- 1...Bf2
- 2.Sf6#
- 1...Bg3
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...Sd3
- 2.Qxf3#
- 2.exf3#
- 1...Sc4
- 2.Qxf3#
- 1...Sxg4
- 2.Qxf3#
- 1...Sg6
- 2.Qxf3#
- 1...Sd7
- 2.Qxf3#
- 1...Sf7
- 2.Qxf3#
- 1...d3
- 2.Sc3#
- 1...Be1
- Tries
- 1.Kxh4?
- threat
- 2.Sf6#
- 1...Sxg4
- 2.Qxf3#
- 1...Sd7
- 2.Qxf3#
- 1...Sg6+!
- threat
- 1.Bxc6+?
- 1...Sxc6
- 2.Qxf3#
- 1...Bxc6!
- 1...Sxc6
- 1.Ra5?
- threat
- 2.Sc5#
- 1...Sxg4
- 2.Qxf3#
- 1...Sd3
- 2.Qxf3#
- 2.exf3#
- 1...Sc4
- 2.Qxf3#
- 1...Sg6
- 2.Qxf3#
- 1...Sd7
- 2.Qxf3#
- 1...Sf7
- 2.Qxf3#
- 1...Bxb7!
- threat
- 1.Rb5?
- threat
- 2.Sc5#
- 1...Sxg4
- 2.Qxf3#
- 1...Sd3
- 2.Qxf3#
- 2.exf3#
- 1...Sc4
- 2.Qxf3#
- 1...Sg6
- 2.Qxf3#
- 1...Sd7
- 2.Qxf3#
- 1...Sf7
- 2.Qxf3#
- 1...Bxb7!
- threat
- 1.Rdd5?
- threat
- 2.Rxe5#
- 1...Qxd5
- 2.Sd6#
- 1...Qxc5
- 2.Sxc5#
- 1...Sxg4
- 2.Qxf3#
- 1...Sd3
- 2.Qxf3#
- 2.exf3#
- 1...Sc4
- 2.Qxf3#
- 1...Sg6
- 2.Qxf3#
- 1...Sd7
- 2.Qxf3#
- 1...Sf7
- 2.Qxf3#
- 1...d3
- 2.Sc3#
- 1...Bf6!
- threat
- 1.Re6?
- threat
- 2.Sd6#
- 2.Rcxe5#
- 2.Rexe5#
- 2.Qxf3#
- 1...Bxb7
- 2.Rcxe5#
- 2.Rexe5#
- 2.Qxf3#
- 1...fxg2
- 2.Sd6#
- 2.Rcxe5#
- 2.Rexe5#
- 1...Qd5
- 2.Sd6#
- 2.Qxf3#
- 1...Bf6
- 2.Sd6#
- 2.Sxf6#
- 2.Qxf3#
- 1...Be7
- 2.Rcxe5#
- 2.Rexe5#
- 2.Qxf3#
- 1...d3!
- threat
- 1.Qf2?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Bxf2
- 2.Sf6#
- 1...fxe2
- 2.Rxd4#
- 2.Qxe2#
- 1...d3
- 2.Sc3#
- 2.Rd4#
- 2.Qd4#
- 1...Qd5!
- threat
- 1.d3+?
- 1...Sxd3
- 2.Qxf3#
- 1...Ke3!
- 1...Sxd3
- 1.exf3+?
- 1...Sxf3
- 2.Qe2#
- 1...Kd3!
- 1...Sxf3
- 1.Kxh4?
- Keys
- 1.Rcd5!
- threat
- 2.Rxd4#
- 1...Qxd5
- 2.Sc5#
- 1...Qxd6
- 2.Sxd6#
- 1...Sxg4
- 2.Qxf3#
- 1...Bf2
- 2.Sf6#
- 1...Sd3
- 2.Qxf3#
- 2.exf3#
- 1...Sc4
- 2.Qxf3#
- 1...Sg6
- 2.Qxf3#
- 1...Sd7
- 2.Qxf3#
- 1...Sf7
- 2.Qxf3#
- 1...d3
- 2.Rd4#
- threat
- 1.Rcd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(f);N_GUARD::S(J)
- B(f);N_GUARD::S(J),XB(f)
- S(g);N_GUARD::QAB1(C),XP(b)
- S(g);N_GUARD,XP(F)::QAB1(C),XP(b)
- P(c);N_GUARD::S(E)
- Tries
- Try
- K(D);P-FLIGHT,XB(f)
- Threat
- S(J)
- Vars
- S(g);N_GUARD,XP(F)::QAB1(C),XP(b)
- S(g);N_GUARD::QAB1(C),XP(b)
- Refutation
- S(g);CHECK
- Try
- B(I);CHECK,XQ(h)
- Vars
- S(g);XB(I)::QAB1(C),XP(b)
- Refutation
- B(i);XB(I)
- Try
- R(G);
- Threat
- S(E)
- Vars
- S(g);N_GUARD,XP(F)::QAB1(C),XP(b)
- S(g);N_GUARD::QAB1(C),XP(b)
- Refutation
- B(i);N_SPINQ(h),XB(I)
- Try
- R(G);
- Threat
- S(E)
- Vars
- S(g);N_GUARD,XP(F)::QAB1(C),XP(b)
- S(g);N_GUARD::QAB1(C),XP(b)
- Refutation
- B(i);N_SPINQ(h),XB(I)
- Try
- R(H);N_PINQ(h)
- Threat
- R1(H),XS(g)
- Vars
- Q(h);N_GUARD,P_SPINQ(h),XR(H)::S(J)
- Q(h);XR(G)::S(E),XQ(h)
- S(g);N_GUARD,XP(F)::QAB1(C),XP(b)
- S(g);N_GUARD::QAB1(C),XP(b)
- P(c);N_GUARD::S(E)
- Refutation
- B(f);
- Try
- R(H);P_PINS(g)
- Threat
- DUALS(4)
- Refutation
- P(c);
- Try
- Q(C);N_PINP(b)
- Threat
- DUALS(2)
- Vars
- B(f);N_GUARD,XQ(C)::S(J)
- Refutation
- Q(h);
- Try
- P(A);CHECK
- Vars
- S(g);XP(A)::QAB1(C),XP(b)
- Refutation
- K(d);N_SPINP(b),N_SPINQ(h),P-FLIGHT
- Try
- P(B);CHECK,XP(b)
- Vars
- S(g);P_SPINS(g),XP(B)::QAR2(C)
- Refutation
- K(d);N_SPINQ(h),P_SPINP(c),S_FLIGHT
- Try
- Actual
- R(G);N_PINQ(h)
- Threat
- R1(G),XP(c)
- Vars
- Q(h);N_GUARD,P_SPINQ(h),XR(G)::S(E)
- Q(h);XR(H)::S(J),XQ(h)
- S(g);N_GUARD,XP(F)::QAB1(C),XP(b)
- B(f);N_GUARD::S(J)
- S(g);N_GUARD::QAB1(C),XP(b)
- P(c);::R1(G)
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