MESON Chess Problem Database
Problem Display
PID: 82026 (K4b2/5p1B/Q7/n1Pk3q/3P1R2/2P4r/3NRP2/r4N1b w - - 0 1)
Ahues, Herbert Siegfried Oskar
Schach, 1977
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Re5#
- 1...Qg4
- 2.Re5#
- 1...Qg6
- 2.Re5#
- 1...Qh4
- 2.Re5#
- 2.Rf5#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Rxf5#
- 1...Qh6
- 2.Re5#
- 2.Rf5#
- 1...Qxh7
- 2.Re5#
- 1...Rh2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Rf3
- 2.Be4#
- 1...Rh4
- 2.Se3#
- 1...Bf3
- 2.Se3#
- 1...Be4
- 2.Bxe4#
- 1...Bd6
- 2.Qxd6#
- 1...Bh6
- 2.Qd6#
- 1...Bg7
- 2.Qd6#
- 1...Sb3
- 2.c4#
- 1...Sc6
- 2.c4#
- 1...Sb7
- 2.c4#
- 1...f5
- 2.Re5#
- 2.Qe6#
- 1...f6
- 2.Qe6#
- 1...Qf3
- Tries
- 1.Sf3?
- threat
- 2.Se3#
- 2.Be4#
- 1...Qxf3
- 2.Re5#
- 1...Qxh7
- 2.Se3#
- 2.Re5#
- 1...Rxf1
- 2.Be4#
- 1...Rxf3
- 2.Be4#
- 1...Bxf3
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Se3#
- 2.Rxf5#
- 1...Sc4
- 2.Be4#
- 1...Sc6
- 2.c4#
- 1...f5
- 2.Se3#
- 2.Re5#
- 2.Qe6#
- 1...Bd6!
- threat
- 1.Rf3?
- threat
- 2.Se3#
- 2.Be4#
- 1...Qxf3
- 2.Re5#
- 1...Qxh7
- 2.Se3#
- 2.Re5#
- 1...Rxf1
- 2.Be4#
- 1...Rxf3
- 2.Be4#
- 1...Bxf3
- 2.Se3#
- 1...Qg4
- 2.Se3#
- 2.Re5#
- 1...Qg6
- 2.Se3#
- 2.Re5#
- 1...Qh4
- 2.Se3#
- 2.Re5#
- 2.Rf5#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Se3#
- 2.Rxf5#
- 1...Qg5
- 2.Be4#
- 1...Qh6
- 2.Be4#
- 2.Re5#
- 2.Rf5#
- 1...Rh4
- 2.Se3#
- 1...Bd6
- 2.Qxd6#
- 1...Bh6
- 2.Be4#
- 2.Qd6#
- 1...Sc4
- 2.Be4#
- 1...f5
- 2.Se3#
- 2.Re5#
- 2.Qe6#
- 1...Sc6!
- threat
- 1.Sf3?
- Keys
- 1.f3!
- threat
- 2.Se3#
- 2.Be4#
- 1...Qxf3
- 2.Re5#
- 1...Qxh7
- 2.Se3#
- 2.Re5#
- 1...Rxf1
- 2.Be4#
- 1...Rxf3
- 2.Be4#
- 1...Bxf3
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Se3#
- 2.Rxf5#
- 1...Bd6
- 2.Qxd6#
- 1...Sc4
- 2.Be4#
- 1...Sc6
- 2.c4#
- 1...f5
- 2.Se3#
- 2.Re5#
- 2.Qe6#
- threat
- 1.f3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- Q(f);N_GUARD::R1(C)
- Q(f);N_GUARD::R1(C),XQ(f)
- Q(f);N_GUARD::R(G),XQ(f)
- Q(f);N_GUARD,XB(J)::R1(C)
- R(c);N_GUARD::S(A)
- R(c);N_GUARD::S(A),XR(c)
- R(c);S_CUTB(b)::B(J)
- B(b);S_CUTR(c)::S(A)
- B(b);N_GUARD::B(J),XB(b)
- B(h);N_GUARD::QAR1(I),XB(h)
- B(h);N_GUARD::QAR1(I)
- S(d);N_GUARD,P_PINQ(I)::P(E)
- P(g);N_GUARD::QAB1(I)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(f);N_GUARD,XS(B)::R1(C)
- R(a);XS(A)::B(J)
- R(c);XS(B)::B(J)
- B(b);XS(B)::S(A)
- Q(f);N_GUARD::R1(C),XQ(f)
- S(d);P_PINQ(I)::B(J)
- S(d);N_GUARD,P_PINQ(I)::P(E)
- Refutation
- B(h);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- Q(f);N_GUARD,XR(G)::R1(C)
- R(a);XS(A)::B(J)
- R(c);XR(G)::B(J)
- B(b);XR(G)::S(A)
- Q(f);N_GUARD::R1(C),XQ(f)
- Q(f);::B(J)
- R(c);::S(A)
- B(h);N_GUARD::QAR1(I),XB(h)
- S(d);P_PINQ(I)::B(J)
- Refutation
- S(d);P_PINQ(I)
- Try
- Actual
- P(D);
- Threat
- DUALS(2)
- Vars
- Q(f);N_GUARD,XP(D)::R1(C)
- R(a);XS(A)::B(J)
- R(c);XP(D)::B(J)
- B(b);XP(D)::S(A)
- Q(f);N_GUARD::R1(C),XQ(f)
- B(h);N_GUARD::QAR1(I),XB(h)
- S(d);P_PINQ(I)::B(J)
- S(d);N_GUARD,P_PINQ(I)::P(E)
Developed and maintained by Brian Stephenson.
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