MESON Chess Problem Database
Problem Display
PID: 197422 (2qk1KbN/N1bppn2/3RP3/8/1nR5/8/8/7Q w - - 0 1)
Ernst, Erich
Gemeindemitteilungsblatt von Rheinmunster, 2001
(First published on Fri Nov 23 2001)
#2
7 + 8
| 16210 | Problemschach-Jahrbuch (2001) | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Rxd7#
- 1...Qb7
- 2.Rxd7#
- 1...Qa8
- 2.Rxd7#
- 1...Qb8
- 2.Rxd7#
- 1...Ba5
- 2.Rxc8#
- 1...Bb6
- 2.Rxc8#
- 1...Bxd6
- 2.Rxc8#
- 1...Bb8
- 2.Rxc8#
- 1...Bh7
- 2.Sxf7#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sd5
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...exd6
- 2.e7#
- 1...Qa6
- Tries
- 1.Qb7?
- threat
- 2.Qxc8#
- 1...Qxb7
- 2.Rxd7#
- 1...Qa8
- 2.Rxd7#
- 2.Qxc7#
- 1...Qb8
- 2.Rxd7#
- 1...Sxd6!
- threat
- 1.Qa8?
- threat
- 2.Rxd7#
- 2.Qxc8#
- 1...Qxa8
- 2.Rxd7#
- 1...Bxd6
- 2.Rxc8#
- 2.Qxc8#
- 1...exd6
- 2.Qxc8#
- 2.e7#
- 1...Qb8
- 2.Rxd7#
- 1...Bb8
- 2.Rxc8#
- 1...Se5
- 2.Qxc8#
- 1...Sxd6!
- threat
- 1.Qh4?
- threat
- 2.Qxe7#
- 1...Bxd6
- 2.Rxc8#
- 1...Sd5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sg5!
- threat
- 1.Qh5?
- 1...Bxd6
- 2.Rxc8#
- 1...Sxh8
- 2.Qe8#
- 1...exd6
- 2.e7#
- 1...Sd3
- 2.Sc6#
- 1...Qa6
- 2.Rxd7#
- 1...Qb7
- 2.Rxd7#
- 1...Qa8
- 2.Rxd7#
- 1...Qb8
- 2.Rxd7#
- 1...Ba5
- 2.Rxc8#
- 1...Bb6
- 2.Rxc8#
- 1...Bb8
- 2.Rxc8#
- 1...Bh7
- 2.Sxf7#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd5
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Se5
- 2.Qe8#
- 1...Sg5
- 2.Qe8#
- 1...Sh6
- 2.Qe8#
- 1...Sxd6!
- 1...Bxd6
- 1.Qb7?
- Keys
- 1.Qh7!
- 1...Bxd6
- 2.Rxc8#
- 1...Bxh7
- 2.Sxf7#
- 1...Sxd6
- 2.Qxe7#
- 1...Sxh8
- 2.Qxe7#
- 1...exd6
- 2.e7#
- 1...Sd3
- 2.Sc6#
- 1...Qa6
- 2.Rxd7#
- 1...Qb7
- 2.Rxd7#
- 1...Qa8
- 2.Rxd7#
- 1...Qb8
- 2.Rxd7#
- 1...Ba5
- 2.Rxc8#
- 1...Bb6
- 2.Rxc8#
- 1...Bb8
- 2.Rxc8#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd5
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Se5
- 2.Qxe7#
- 1...Sg5
- 2.Qxe7#
- 1...Sh6
- 2.Qxe7#
- 1...Bxd6
- 1.Qh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Q(f);N_GUARD::R1(C),XP(c)
- B(b);OGATE::R1(B),XQ(f)
- B(b);N_SPINP(c),OGATE,XR(C)::R1(B),XQ(f)
- B(h);N_GUARD::S(G),XS(e)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);N_SPINP(c),OGATE,XR(C)::P(D)
- Tries
- Try
- Q(A);
- Threat
- QAR1(A),XQ(f)
- Vars
- Q(f);N_GUARD,XQ(A)::R1(C),XP(c)
- Q(f);N_GUARD::R1(C),XP(c)
- Refutation
- S(e);N_SPINP(c),XR(C)
- Try
- Q(A);P_PINQ(f)
- Threat
- DUALS(2)
- Vars
- Q(f);N_SPINQ(f),XQ(A)::R1(C),XP(c)
- Q(f);::R1(C),XP(c)
- B(b);N_SPINQ(f),OGATE::R1(B),XQ(f)
- S(e);::QAR1(A),XQ(f)
- Refutation
- S(e);N_SPINP(c),XR(C)
- Try
- Q(A);
- Threat
- QAB1(A),XP(d)
- Vars
- B(b);N_SPINP(c),OGATE,P_SPINP(d),XR(C)::R1(B),XQ(f)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- B(b);N_SPINP(c),OGATE,XR(C)::R1(B),XQ(f)
- S(e);OGATE,XS(G)::QAR1(A)
- P(d);N_SPINP(c),OGATE,XR(C)::P(D)
- S(a);N_GUARD::S(E)
- Q(f);N_GUARD::R1(C),XP(c)
- B(b);OGATE::R1(B),XQ(f)
- B(h);N_GUARD::S(G),XS(e)
- S(a);N_GUARD::S(E),XS(a)
- S(e);OGATE::QAR1(A)
- Refutation
- S(e);N_SPINP(c),XR(C)
- Try
- Actual
- Q(A);
- Vars
- B(b);N_SPINP(c),OGATE,XR(C)::R1(B),XQ(f)
- B(h);N_GUARD,XQ(A)::S(G),XS(e)
- S(e);N_SPINP(c),OGATE,XR(C)::QAB1(A),XP(d)
- S(e);OGATE,XS(G)::QAB1(A),XP(d)
- P(d);N_SPINP(c),OGATE,XR(C)::P(D)
- S(a);N_GUARD::S(E)
- Q(f);N_GUARD::R1(C),XP(c)
- B(b);OGATE::R1(B),XQ(f)
- S(a);N_GUARD::S(E),XS(a)
- S(e);OGATE::QAB1(A),XP(d)
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