MESON Chess Problem Database
Problem Display
PID: 144691 (R1RK2kN/3pp3/7Q/7B/2b1r3/8/3r3b/8 w - - 0 1)
Grevlund, Per
Skakbladet, 1974
#2
6 + 7
| 15422 | Problemskak | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Kxd7#
- 1...Rb2
- 2.Kxd7#
- 1...Rc2
- 2.Kxd7#
- 1...Rde2
- 2.Kxd7#
- 1...Rg2
- 2.Kxd7#
- 1...Rd5
- 2.Bf7#
- 1...Rd6
- 2.Kc7#
- 1...Rd4
- 2.Kxe7#
- 1...Rg4
- 2.Kxe7#
- 1...Rh4
- 2.Kxe7#
- 1...Re5
- 2.Kc7#
- 1...Re6
- 2.Bf7#
- 1...Bg1
- 2.Kc7#
- 1...Be5
- 2.Kxe7#
- 1...Bd6
- 2.Kxd7#
- 1...Bc7+
- 2.Kxc7#
- 1...Bf1
- 2.Bf7#
- 1...Be2
- 2.Bf7#
- 1...Bd3
- 2.Kxd7#
- 2.Bf7#
- 1...Bb5
- 2.Bf7#
- 1...Bd5
- 2.Kxd7#
- 1...Ba6
- 2.Bf7#
- 1...Be6
- 2.Kxe7#
- 1...Bf7
- 2.Bxf7#
- 1...d5
- 2.Kd7#
- 2.Bf7#
- 1...d6
- 2.Kc7#
- 2.Kd7#
- 1...e5
- 2.Kc7#
- 2.Ke7#
- 1...e6
- 2.Ke7#
- 2.Bf7#
- 1...Ra2
- Tries
- 1.Sf7?
- threat
- 2.Qh8#
- 1...Bc7+
- 2.Kxc7#
- 1...Be5
- 2.Kxe7#
- 1...Bxf7!
- threat
- 1.Ra5?
- threat
- 2.Rg5#
- 1...Bc7+
- 2.Kxc7#
- 1...Rg2
- 2.Kxd7#
- 1...Rd5
- 2.Bf7#
- 1...Rd6
- 2.Kc7#
- 1...Rg4
- 2.Kxe7#
- 1...Re5
- 2.Kc7#
- 1...Re6
- 2.Bf7#
- 1...Be5
- 2.Kxe7#
- 1...Bb5
- 2.Bf7#
- 1...Bd5
- 2.Kxd7#
- 1...Bf7
- 2.Bxf7#
- 1...d5
- 2.Kd7#
- 2.Bf7#
- 1...e5
- 2.Kc7#
- 2.Ke7#
- 1...Bf4!
- threat
- 1.Qf8+?
- 1...Kh7
- 2.Bg6#
- 1...Kxf8!
- 1...Kh7
- 1.Qh7+?
- 1...Kf8
- 2.Sg6#
- 1...Kxh7!
- 1...Kf8
- 1.Sf7?
- Keys
- 1.Ra6!
- threat
- 2.Rg6#
- 1...Bc7+
- 2.Kxc7#
- 1...Bxa6
- 2.Bf7#
- 1...Rg2
- 2.Kxd7#
- 1...Rd6
- 2.Kc7#
- 1...Rg4
- 2.Kxe7#
- 1...Re6
- 2.Bf7#
- 1...Be5
- 2.Kxe7#
- 1...Bd6
- 2.Kxd7#
- 1...Be6
- 2.Kxe7#
- 1...Bf7
- 2.Bxf7#
- 1...d6
- 2.Kc7#
- 2.Kd7#
- 1...e6
- 2.Ke7#
- 2.Bf7#
- threat
- 1.Ra6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- R(a);::R(D)+K(E),XP(e)
- R(a);S_CUTB(c)::B(A)
- R(a);::R(D)+K(E)
- R(d);::R(D)+K(E),XP(f)
- R(d);::R(D)+K(E)
- R(d);S_CUTB(c)::B(A)
- B(b);::R(D)+K(E)
- B(b);::R(D)+K(E),XP(f)
- B(b);::R(D)+K(E),XP(e)
- B(b);CHECK::R(D)+K(E),XB(b)
- B(c);N_GUARD::B(A)
- B(c);::R(D)+K(E),XP(e)
- B(c);::R(D)+K(E),XP(f)
- B(c);N_GUARD::B(A),XB(c)
- Tries
- Try
- S(F);
- Threat
- QAR1(B)
- Vars
- B(b);CHECK::R(D)+K(E),XB(b)
- B(b);::R(D)+K(E),XP(f)
- Refutation
- B(c);XS(F)
- Try
- R(C);
- Threat
- R(C)
- Vars
- B(b);CHECK::R(D)+K(E),XB(b)
- R(a);::R(D)+K(E),XP(e)
- R(a);S_CUTB(c)::B(A)
- R(a);::R(D)+K(E)
- R(d);::R(D)+K(E),XP(f)
- R(d);::R(D)+K(E)
- R(d);S_CUTB(c)::B(A)
- B(b);::R(D)+K(E),XP(f)
- B(c);N_GUARD::B(A)
- B(c);::R(D)+K(E),XP(e)
- B(c);N_GUARD::B(A),XB(c)
- Refutation
- B(b);
- Try
- Q(B);CHECK
- Vars
- K(g);S_FLIGHT::B(A)
- Refutation
- K(g);P-FLIGHT,XQ(B)
- Try
- Q(B);CHECK
- Vars
- K(g);P-FLIGHT::S(F)
- Refutation
- K(g);S_FLIGHT,XQ(B)
- Try
- Actual
- R(C);
- Threat
- R(C)
- Vars
- B(b);CHECK::R(D)+K(E),XB(b)
- B(c);N_GUARD,XR(C)::B(A)
- R(a);::R(D)+K(E),XP(e)
- R(a);::R(D)+K(E)
- R(d);::R(D)+K(E),XP(f)
- R(d);S_CUTB(c)::B(A)
- B(b);::R(D)+K(E),XP(f)
- B(b);::R(D)+K(E),XP(e)
- B(c);::R(D)+K(E),XP(f)
- B(c);N_GUARD::B(A),XB(c)
Developed and maintained by Brian Stephenson.
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