MESON Chess Problem Database
Problem Display
PID: 158517 (k7/p1B5/rpNKp3/3Np3/4Q3/8/7q/8 w - - 0 1)
Ferber, Eugene
British Chess Magazine 13. Ty., 1906-1907
#2
5 + 7
SOLUTION
- SOUND
- Tries
- 1.Scb4?
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sf4#
- 2.Sxb6#
- 2.Sf6#
- 2.Se7#
- 1...b5+
- 2.Sb6#
- 1...Kb7
- 2.Sxb6#
- 2.Se7#
- 1...exd5
- 2.Qxd5#
- 1...Qh1
- 2.Sxb6#
- 1...Qf4
- 2.Sxf4#
- 2.Sxb6#
- 1...Qa2
- 2.Sxb6#
- 1...Qc2
- 2.Sxb6#
- 1...Qe2
- 2.Se3#
- 2.Sxb6#
- 1...Qg2
- 2.Sxb6#
- 1...Qh4
- 2.Sf4#
- 2.Sxb6#
- 1...Qh7
- 2.Sxb6#
- 1...Ra5
- 2.Sxb6#
- 1...Qd2!
- threat
- 1.Sa5?
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sf6#
- 2.Se7#
- 1...bxa5+
- 2.Sb6#
- 1...b5+
- 2.Sb6#
- 1...Rxa5
- 2.Sxb6#
- 1...exd5
- 2.Qxd5#
- 1...Qh1
- 2.Sxb6#
- 1...Qf4
- 2.Sxf4#
- 2.Sxb6#
- 1...Qa2
- 2.Sxb6#
- 1...Qc2
- 2.Sxb6#
- 1...Qe2
- 2.Se3#
- 2.Sxb6#
- 1...Qg2
- 2.Sxb6#
- 1...Qh4
- 2.Sf4#
- 2.Sxb6#
- 1...Qh7
- 2.Sxb6#
- 1...Qd2!
- threat
- 1.Sce7?
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sf6#
- 1...b5+
- 2.Sb6#
- 1...Kb7
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sf6#
- 1...exd5
- 2.Qxd5#
- 1...Qh1
- 2.Sxb6#
- 1...Qf4
- 2.Sxf4#
- 2.Sxb6#
- 1...Qa2
- 2.Sxb6#
- 1...Qc2
- 2.Sxb6#
- 1...Qe2
- 2.Se3#
- 2.Sxb6#
- 1...Qg2
- 2.Sxb6#
- 1...Qh4
- 2.Sf4#
- 2.Sxb6#
- 1...Qh7
- 2.Sxb6#
- 1...Ra4
- 2.Sb4#
- 2.Sxb6#
- 1...Ra5
- 2.Sxb6#
- 1...Qd2!
- threat
- 1.Sb8?
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sf6#
- 2.Se7#
- 1...b5+
- 2.Sb6#
- 1...Kb7
- 2.Sxb6#
- 2.Se7#
- 1...exd5
- 2.Qxd5#
- 1...Qh1
- 2.Sxb6#
- 1...Qf4
- 2.Sxf4#
- 2.Sxb6#
- 1...Qa2
- 2.Sxb6#
- 1...Qc2
- 2.Sxb6#
- 1...Qe2
- 2.Se3#
- 2.Sxb6#
- 1...Qg2
- 2.Sxb6#
- 1...Qh4
- 2.Sf4#
- 2.Sxb6#
- 1...Qh7
- 2.Sxb6#
- 1...Ra4
- 2.Sb4#
- 2.Sxb6#
- 1...Ra5
- 2.Sxb6#
- 1...Qd2!
- threat
- 1.Sd8?
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sf6#
- 2.Se7#
- 1...b5+
- 2.Sb6#
- 1...exd5
- 2.Qxd5#
- 1...Qh1
- 2.Sxb6#
- 1...Qf4
- 2.Sxf4#
- 2.Sxb6#
- 1...Qa2
- 2.Sxb6#
- 1...Qc2
- 2.Sxb6#
- 1...Qe2
- 2.Se3#
- 2.Sxb6#
- 1...Qg2
- 2.Sxb6#
- 1...Qh4
- 2.Sf4#
- 2.Sxb6#
- 1...Qh7
- 2.Sxb6#
- 1...Ra4
- 2.Sb4#
- 2.Sxb6#
- 1...Ra5
- 2.Sxb6#
- 1...Qd2!
- threat
- 1.Scb4?
- Keys
- 1.Sd4!
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sf4#
- 2.Sxb6#
- 2.Sf6#
- 2.Se7#
- 1...exd4+
- 2.Sf4#
- 1...b5+
- 2.Sb6#
- 1...Kb7
- 2.Sxb6#
- 2.Se7#
- 1...exd5
- 2.Qxd5#
- 1...Qh1
- 2.Sxb6#
- 1...Qf4
- 2.Sxf4#
- 2.Sxb6#
- 1...Qa2
- 2.Sxb6#
- 1...Qc2
- 2.Sxb6#
- 1...Qe2
- 2.Se3#
- 2.Sxb6#
- 1...Qg2
- 2.Sxb6#
- 1...Qh4
- 2.Sf4#
- 2.Sxb6#
- 1...Qh7
- 2.Sxb6#
- 1...Ra5
- 2.Sxb6#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);
- Threat
- DUALS(6)
- Vars
- P(d);CHECK::QAB(A)+S(B),DCHECK
- P(e);OGATE,P_SPINP(e),XS(B)::QAB(A),XP(e)
- Q(a);::QAB(A)+S(B),DCHECK,XP(d)
- R(c);::QAB(A)+S(B),DCHECK,XP(d)
- Refutation
- Q(a);P_PINS(B)
- Try
- S(C);
- Threat
- DUALS(7)
- Vars
- P(d);CHECK,XS(C)::QAB(A)+S(B),DCHECK
- P(d);CHECK::QAB(A)+S(B),DCHECK
- R(c);XS(C)::QAB(A)+S(B),DCHECK,XP(d)
- P(e);OGATE,P_SPINP(e),XS(B)::QAB(A),XP(e)
- Q(a);::QAB(A)+S(B),DCHECK,XP(d)
- Refutation
- Q(a);P_PINS(B)
- Try
- S(C);
- Threat
- DUALS(6)
- Vars
- P(d);CHECK::QAB(A)+S(B),DCHECK
- P(e);OGATE,P_SPINP(e),XS(B)::QAB(A),XP(e)
- Q(a);::QAB(A)+S(B),DCHECK,XP(d)
- R(c);::QAB(A)+S(B),DCHECK,XP(d)
- Refutation
- Q(a);P_PINS(B)
- Try
- S(C);
- Threat
- DUALS(7)
- Vars
- P(d);CHECK::QAB(A)+S(B),DCHECK
- P(e);OGATE,P_SPINP(e),XS(B)::QAB(A),XP(e)
- Q(a);::QAB(A)+S(B),DCHECK,XP(d)
- R(c);::QAB(A)+S(B),DCHECK,XP(d)
- Refutation
- Q(a);P_PINS(B)
- Try
- S(C);
- Threat
- DUALS(7)
- Vars
- P(d);CHECK::QAB(A)+S(B),DCHECK
- P(e);OGATE,P_SPINP(e),XS(B)::QAB(A),XP(e)
- Q(a);::QAB(A)+S(B),DCHECK,XP(d)
- R(c);::QAB(A)+S(B),DCHECK,XP(d)
- Refutation
- Q(a);P_PINS(B)
- Try
- Actual
- S(C);
- Threat
- DUALS(7)
- Vars
- P(b);CHECK,XS(C)::QAB(A)+S(B)
- P(d);CHECK::QAB(A)+S(B),DCHECK
- P(e);OGATE,P_SPINP(e),XS(B)::QAB(A),XP(e)
- Q(a);::QAB(A)+S(B),DCHECK,XP(d)
- R(c);::QAB(A)+S(B),DCHECK,XP(d)
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