MESON Chess Problem Database
Problem Display
PID: 74376 (4q3/2pp1B2/P1k1n3/K7/5N2/B1nR4/2N5/b1R4b w - - 0 1)
Cristoffanini, Guido
3rd Prize, Magyar Sakkvilag, 1938
#2
8 + 8
| 133 | The Problemist Supplement | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Sb4#
- 2.Sd4#
- 1...Sd1
- 2.Sb4#
- 2.Sd4#
- 1...Sa2
- 2.Sb4#
- 2.Sd4#
- 1...Se2
- 2.Sb4#
- 2.Sd4#
- 1...Sa4
- 2.Sb4#
- 2.Sd4#
- 1...Se4
- 2.Sb4#
- 2.Sd4#
- 1...Sb5
- 2.Sb4#
- 2.Sd4#
- 1...Sd5
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sxf4
- 2.Sd4#
- 1...Sc5
- 2.Sb4#
- 1...Sg5
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- 1...d5
- 2.Bxe8#
- 1...d6
- 2.Bxe8#
- 1...Sb1
- Tries
- 1.Sxe6?
- threat
- 2.Sb4#
- 2.Sed4#
- 1...Qxf7
- 2.Sb4#
- 2.Sd8#
- 1...dxe6
- 2.Bxe8#
- 1...d5
- 2.Bxe8#
- 1...d6
- 2.Bxe8#
- 1...Qe7
- 2.Sed4#
- 1...Qb8
- 2.Sed4#
- 1...Qf8
- 2.Sed4#
- 1...Qh8
- 2.Sb4#
- 1...Bd5
- 2.Scd4#
- 2.Sed4#
- 1...Sb1
- 2.Sb4#
- 1...Sd1
- 2.Sb4#
- 1...Sa2
- 2.Sb4#
- 1...Se2
- 2.Sb4#
- 1...Sa4
- 2.Sb4#
- 1...Se4
- 2.Sb4#
- 1...Sb5
- 2.Sb4#
- 1...Sd5
- 2.Scd4#
- 1...Qxe6!
- threat
- 1.Bxe8?
- threat
- 2.Bxd7#
- 1...Sd5
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sc5
- 2.Sb4#
- 1...Sf8
- 2.Sd4#
- 1...Bd5!
- threat
- 1.Sxe6?
- Keys
- 1.Sg6!
- threat
- 2.Se5#
- 1...d6
- 2.Bxe8#
- 1...Qh8
- 2.Se7#
- 1...Sb1
- 2.Sb4#
- 1...Sd1
- 2.Sb4#
- 1...Sa2
- 2.Sb4#
- 1...Se2
- 2.Sb4#
- 1...Sa4
- 2.Sb4#
- 1...Se4
- 2.Sb4#
- 1...Sb5
- 2.Sb4#
- 1...Sd5
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Sc5
- 2.Sb4#
- 1...Sg5
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sf8
- 2.Sd4#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 1
- Sets
- S(c);::R(A)+S(B),DCHECK
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD,XS(E)::S(B)
- S(e);SBLOCK::S(B)
- S(e);N_GUARD::S(B)
- P(g);OGATEB::B(H),XQ(h)
- Tries
- Try
- S(E);XS(e)
- Threat
- DUALS(2)
- Vars
- P(g);OGATEB,XS(E)::B(H),XQ(h)
- P(g);OGATEB::B(H),XQ(h)
- Q(h);::S(E)
- Q(h);::S(B)
- S(c);::R(A)+S(B),DCHECK
- S(c);SBLOCK::R(A)+S(B),DCHECK
- Refutation
- Q(h);XS(E)
- Try
- B(H);P_PINP(g),XQ(h)
- Threat
- B(H),XP(g)
- Vars
- S(c);::R(A)+S(B),DCHECK
- S(e);N_GUARD::S(B),XS(e)
- S(e);SBLOCK::S(B)
- S(e);N_GUARD::S(B)
- Refutation
- B(b);
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- P(g);OGATEB::B(H),XQ(h)
- Q(h);N_GUARD::S(E)
- S(c);::R(A)+S(B),DCHECK
- S(c);SBLOCK::R(A)+S(B),DCHECK
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- S(e);SBLOCK::S(B)
Developed and maintained by Brian Stephenson.
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