MESON Chess Problem Database
Problem Display
PID: 197679 (K5R1/1pp4B/p3Rp2/qbB5/r4kN1/r7/1bPP1PP1/4nnN1 w - - 0 1)
Sokka, Hannu Erkki Juhani
Suomen Shakki, 1986
#2
11 + 12
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sh3#
- 1...Ra2
- 2.Sh3#
- 1...Rc3
- 2.Rxf6#
- 1...Rd3
- 2.Se2#
- 1...Rh3
- 2.Sxh3#
- 1...Rc4
- 2.Se2#
- 1...Rd4
- 2.Rxf6#
- 1...Re4
- 2.Rxe4#
- 1...Bc1
- 2.Rxf6#
- 1...Bc3
- 2.Sh3#
- 1...Bd4
- 2.Re4#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.Sh3#
- 1...Bc4
- 2.Re4#
- 1...Bc6
- 2.Se2#
- 1...Bd7
- 2.Se2#
- 1...Be8
- 2.Se2#
- 1...Sd3
- 2.Se2#
- 2.Sh3#
- 1...Sf3
- 2.Sh3#
- 1...Se3
- 2.Sh3#
- 2.g3#
- 1...Sg3
- 2.Sh3#
- 1...Ra1
- Tries
- 1.Se3?
- threat
- 2.Sh3#
- 2.Sd5#
- 2.Rg4#
- 1...Qxd2
- 2.Sh3#
- 2.Rg4#
- 1...Sxg2
- 2.Sxg2#
- 2.Sd5#
- 2.Rg4#
- 1...Sxe3
- 2.Sh3#
- 2.g3#
- 1...Rd3
- 2.Se2#
- 2.Sh3#
- 2.Rg4#
- 1...Rd4
- 2.Sh3#
- 2.Rg4#
- 1...Be2
- 2.Sxe2#
- 2.Sh3#
- 2.Sd5#
- 1...Bc4
- 2.Sh3#
- 2.Re4#
- 2.Rg4#
- 1...Bc6
- 2.Se2#
- 2.Sh3#
- 2.Rg4#
- 1...Sh2
- 2.Sh3#
- 2.Sd5#
- 2.g3#
- 1...f5
- 2.Sh3#
- 2.Sd5#
- 1...c6
- 2.Sh3#
- 2.Rg4#
- 1...Rxe3!
- threat
- 1.Sxf6?
- threat
- 2.Sd5#
- 2.Sh5#
- 2.Rg4#
- 1...Qxd2
- 2.Sh5#
- 2.Rg4#
- 1...Rd3
- 2.Se2#
- 2.Sh5#
- 2.Rg4#
- 1...Rg3
- 2.Sd5#
- 2.Sh5#
- 1...Rh3
- 2.Sxh3#
- 2.Sd5#
- 2.Rg4#
- 1...Rd4
- 2.Sh5#
- 2.Rg4#
- 1...Be2
- 2.Sxe2#
- 2.Sd5#
- 1...Bc4
- 2.Sh5#
- 2.Re4#
- 2.Rg4#
- 1...Bc6
- 2.Se2#
- 2.Sh5#
- 2.Rg4#
- 1...Be8
- 2.Se2#
- 2.Sd5#
- 2.Rg4#
- 1...Sh2
- 2.Sd5#
- 2.Sh5#
- 1...Se3
- 2.Sh3#
- 2.Sh5#
- 2.g3#
- 1...Sg3
- 2.Sh3#
- 2.Sd5#
- 2.Rg4#
- 1...c6
- 2.Sh5#
- 2.Rg4#
- 1...Bxf6!
- threat
- 1.Be3+?
- 1...Sxe3
- 2.Sh3#
- 2.g3#
- 1...Rxe3!
- 1...Sxe3
- 1.Bd4?
- threat
- 2.Re4#
- 2.Rxf6#
- 1...Rxd4
- 2.Rxf6#
- 1...Bxd4
- 2.Re4#
- 1...Sxd2
- 2.Rxf6#
- 1...Qb6
- 2.Re4#
- 1...Re3
- 2.Rxf6#
- 1...Be2
- 2.Sxe2#
- 2.Re4#
- 1...Bd3
- 2.Sh3#
- 1...Bc4
- 2.Re4#
- 1...Bc6
- 2.Se2#
- 1...Bd7
- 2.Se2#
- 2.Re4#
- 1...Be8
- 2.Se2#
- 2.Re4#
- 1...Se3
- 2.Sh3#
- 2.Re4#
- 2.g3#
- 1...Sg3
- 2.Sh3#
- 1...f5!
- threat
- 1.Bd6+?
- 1...Be5
- 2.Rxf6#
- 1...cxd6!
- 1...Be5
- 1.c3?
- threat
- 2.Sh3#
- 2.Rxf6#
- 1...Rxc3
- 2.Rxf6#
- 1...Bxc3
- 2.Sh3#
- 1...Sxg2
- 2.Rxf6#
- 1...Qb6
- 2.Sh3#
- 1...Bd3
- 2.Sh3#
- 1...Bd7
- 2.Se2#
- 2.Sh3#
- 1...Se3
- 2.Sh3#
- 2.Bxe3#
- 2.dxe3#
- 2.g3#
- 1...Sg3
- 2.Sh3#
- 2.Be3#
- 1...f5
- 2.Sh3#
- 1...Qxc3!
- threat
- 1.c4?
- threat
- 2.Se2#
- 2.Re4#
- 1...Qxd2
- 2.Re4#
- 1...Rxc4
- 2.Se2#
- 1...Bxc4
- 2.Re4#
- 1...Sxg2
- 2.Re4#
- 1...Sxd2
- 2.Se2#
- 1...Be5
- 2.Se2#
- 1...Bc6
- 2.Se2#
- 1...Sg3
- 2.Sh3#
- 1...f5
- 2.Se2#
- 1...Re3!
- threat
- 1.d3?
- threat
- 2.Se2#
- 2.Sh3#
- 1...Rxd3
- 2.Se2#
- 1...Bxd3
- 2.Sh3#
- 1...Qd2
- 2.Sh3#
- 1...Re4
- 2.Sh3#
- 2.Rxe4#
- 1...Sg3
- 2.Sh3#
- 2.Be3#
- 1...Sxg2!
- threat
- 1.d4?
- threat
- 2.Re4#
- 2.Rxf6#
- 1...Rxd4
- 2.Rxf6#
- 1...Bxd4
- 2.Re4#
- 1...Qb6
- 2.Re4#
- 1...Re3
- 2.Rxf6#
- 1...Bd3
- 2.Sh3#
- 1...Bc6
- 2.Se2#
- 2.Rxf6#
- 1...Bd7
- 2.Se2#
- 2.Re4#
- 1...Sd2
- 2.Rxf6#
- 1...Se3
- 2.Sh3#
- 2.Re4#
- 2.g3#
- 1...Sg3
- 2.Sh3#
- 1...f5!
- threat
- 1.Se3?
- Keys
- 1.Bf8!
- threat
- 2.Bh6#
- 1...Rh3
- 2.Sxh3#
- 1...Be2
- 2.Sxe2#
- 1...Bd3
- 2.Sh3#
- 1...Bc4
- 2.Re4#
- 1...Bc6
- 2.Se2#
- 1...Bd7
- 2.Se2#
- 1...Be8
- 2.Se2#
- 1...Sf3
- 2.Sh3#
- threat
- 1.Bf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- R(d);N_GUARD::S(A)
- R(d);S_CUTB(c)::R(H),XP(j)
- R(d);S_CUTB(h)::S(A)
- R(d);N_GUARD::S(A),XR(d)
- R(e);S_CUTB(h)::S(A)
- R(e);S_CUTB(c)::R(H),XP(j)
- R(e);N_GUARD::R1(H),XR(e)
- B(c);N_GUARD::R(H),XP(j)
- B(c);S_CUTR(d)::S(A)
- B(c);S_CUTR(e)::R1(H)
- B(h);N_GUARD::S(A),XB(h)
- B(h);S_CUTR(d)::S(A)
- B(h);S_CUTR(e)::R1(H)
- B(h);N_GUARD::S(A)
- S(a);S_CUTR(d)::S(A)
- S(b);S_CUTR(d)::S(A)
- Tries
- Try
- S(F);
- Threat
- DUALS(3)
- Refutation
- R(d);XS(F)
- Try
- S(F);XP(j)
- Threat
- DUALS(3)
- Refutation
- B(c);XS(F)
- Try
- B(G);CHECK
- Refutation
- R(d);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(e);XB(G)::R(H),XP(j)
- B(c);XB(G)::R1(H)
- S(b);XP(C)::R(H),XP(j)
- Q(g);::R1(H)
- R(d);::R(H),XP(j)
- B(h);S_CUTR(d)::S(A)
- B(h);::R1(H)
- B(h);N_GUARD::S(A)
- S(b);S_CUTR(d)::S(A)
- Refutation
- P(j);
- Try
- B(G);CHECK
- Vars
- B(c);P_SPINB(c)::R(H),XP(j)
- Refutation
- P(l);XB(G)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- R(d);XP(B)::R(H),XP(j)
- B(c);XP(B)::S(A)
- S(a);XP(E)::R(H),XP(j)
- Q(g);::S(A)
- B(h);::S(A)
- P(j);::S(A)
- Refutation
- Q(g);XP(B)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- Q(g);XP(C)::R1(H)
- R(e);XP(B)::S(A)
- B(h);XP(B)::R1(H)
- S(a);XP(E)::R1(H)
- S(b);XP(C)::S(A)
- B(c);::S(A)
- B(h);::S(A)
- S(b);S_CUTR(d)::S(A)
- P(j);::S(A)
- Refutation
- R(d);
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(d);XP(C)::S(A)
- B(h);XP(C)::S(A)
- Q(g);::S(A)
- Refutation
- S(a);XP(E)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(e);XP(C)::R(H),XP(j)
- B(c);XP(C)::R1(H)
- Q(g);::R1(H)
- R(d);::R(H),XP(j)
- B(h);S_CUTR(d)::S(A)
- S(b);::R(H),XP(j)
- S(b);S_CUTR(d)::S(A)
- Refutation
- P(j);
- Try
- Actual
- B(G);
- Threat
- B(G)
- Vars
- R(d);N_GUARD::S(A),XR(d)
- B(h);N_GUARD::S(A),XB(h)
- B(h);S_CUTR(d)::S(A)
- B(h);S_CUTR(e)::R1(H)
- B(h);N_GUARD::S(A)
- S(a);S_CUTR(d)::S(A)
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