MESON Chess Problem Database
Problem Display
PID: 144795 (8/pNQ2p1B/P2N1P2/K2pp3/2Pk4/2nn4/5P2/8 w - - 0 1)
Salardini, Erio
Chess, 1954
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Sb5#
- 1...Sd1
- 2.Sb5#
- 1...Sa2
- 2.Sb5#
- 1...Se2
- 2.Sb5#
- 1...Sa4
- 2.Sb5#
- 1...Se4
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sc1
- 2.Qc5#
- 1...Se1
- 2.Qc5#
- 1...Sb2
- 2.Qc5#
- 1...Sxf2
- 2.Qc5#
- 1...Sb4
- 2.Qc5#
- 1...Sf4
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...dxc4
- 2.Qxc4#
- 1...e4
- 2.Sf5#
- 1...Sb1
- Tries
- 1.Bf5?
- 1...Sxf2
- 2.Qc5#
- 1...dxc4
- 2.Qxc4#
- 1...Sb1
- 2.Sb5#
- 1...Sd1
- 2.Sb5#
- 1...Sa2
- 2.Sb5#
- 1...Se2
- 2.Sb5#
- 1...Sa4
- 2.Sb5#
- 1...Se4
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sc1
- 2.Qc5#
- 1...Se1
- 2.Qc5#
- 1...Sb2
- 2.Qc5#
- 1...Sb4
- 2.Qc5#
- 1...Sf4
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...e4!
- 1...Sxf2
- 1.Bg6?
- 1...Sxf2
- 2.Qc5#
- 1...dxc4
- 2.Qxc4#
- 1...Sb1
- 2.Sb5#
- 1...Sd1
- 2.Sb5#
- 1...Sa2
- 2.Sb5#
- 1...Se2
- 2.Sb5#
- 1...Sa4
- 2.Sb5#
- 1...Se4
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...e4
- 2.Sf5#
- 1...Sc1
- 2.Qc5#
- 1...Se1
- 2.Qc5#
- 1...Sb2
- 2.Qc5#
- 1...Sb4
- 2.Qc5#
- 1...Sf4
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...fxg6!
- 1...Sxf2
- 1.Qb6+?
- 1...Sc5
- 2.Qxc5#
- 1...axb6+!
- 1...Sc5
- 1.Qc6?
- 1...Sxf2
- 2.Qc5#
- 1...dxc4
- 2.Sf5#
- 2.Qxc4#
- 1...Sb1
- 2.Sb5#
- 1...Sd1
- 2.Sb5#
- 1...Sa2
- 2.Sb5#
- 1...Se2
- 2.Sb5#
- 1...Sa4
- 2.Sb5#
- 1...Se4
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sc1
- 2.Qc5#
- 1...Se1
- 2.Qc5#
- 1...Sb2
- 2.Qc5#
- 1...Sb4
- 2.Qc5#
- 1...Sf4
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...e4!
- 1...Sxf2
- 1.Qc8?
- 1...Sxf2
- 2.Qc5#
- 1...dxc4
- 2.Qxc4#
- 1...Sb1
- 2.Sb5#
- 1...Sd1
- 2.Sb5#
- 1...Sa2
- 2.Sb5#
- 1...Se2
- 2.Sb5#
- 1...Sa4
- 2.Sb5#
- 1...Se4
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sc1
- 2.Qc5#
- 1...Se1
- 2.Qc5#
- 1...Sb2
- 2.Qc5#
- 1...Sb4
- 2.Qc5#
- 1...Sf4
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...e4!
- 1...Sxf2
- 1.cxd5?
- threat
- 2.Qc4#
- 1...Kxd5
- 2.Qc4#
- 1...Sxf2
- 2.Qc5#
- 1...Sb2
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...e4!
- threat
- 1.Bf5?
- Keys
- 1.Sd8!
- 1...Sxf2
- 2.Qxa7#
- 1...dxc4
- 2.Qxc4#
- 1...Sb1
- 2.Sb5#
- 1...Sd1
- 2.Sb5#
- 1...Sa2
- 2.Sb5#
- 1...Se2
- 2.Sb5#
- 1...Sa4
- 2.Sb5#
- 1...Se4
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...e4
- 2.Sf5#
- 1...Sc1
- 2.Qxa7#
- 1...Se1
- 2.Qxa7#
- 1...Sb2
- 2.Qxa7#
- 1...Sb4
- 2.Qxa7#
- 1...Sf4
- 2.Qxa7#
- 1...Sc5
- 2.Sc6#
- 1...Sxf2
- 1.Sd8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::QAB1(H)
- S(b);N_GUARD,XP(A)::QAB1(H)
- S(b);N_GUARD::QAB1(H),XS(b)
- P(d);OGATE,XP(B)::QAR1(H),XP(d)
- P(e);SBLOCK::S(E)
- Tries
- Try
- B(I);
- Vars
- S(b);N_GUARD,XP(A)::QAB1(H)
- P(d);OGATE,XP(B)::QAR1(H),XP(d)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::QAB1(H)
- S(b);N_GUARD::QAB1(H),XS(b)
- Refutation
- P(e);
- Try
- B(I);
- Vars
- S(b);N_GUARD,XP(A)::QAB1(H)
- P(d);OGATE,XP(B)::QAR1(H),XP(d)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(e);SBLOCK::S(E)
- S(b);N_GUARD::QAB1(H)
- S(b);N_GUARD::QAB1(H),XS(b)
- Refutation
- P(g);XB(I)
- Try
- Q(H);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::QAB1(H),XS(b)
- Refutation
- P(f);CHECK,XQ(H)
- Try
- Q(H);
- Vars
- S(b);N_GUARD,XP(A)::QAB1(H)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::QAB1(H)
- S(b);N_GUARD::QAB1(H),XS(b)
- Refutation
- P(e);
- Try
- Q(H);
- Vars
- S(b);N_GUARD,XP(A)::QAB1(H)
- P(d);OGATE,XP(B)::QAR1(H),XP(d)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(b);N_GUARD::QAB1(H)
- S(b);N_GUARD::QAB1(H),XS(b)
- Refutation
- P(e);
- Try
- P(B);XP(d)
- Threat
- QAR1(H)
- Vars
- K(c);P-FLIGHT,XP(B)::QAB1(H)
- S(b);N_GUARD,XP(A)::QAB1(H)
- S(b);N_GUARD::QAB1(H)
- S(b);N_GUARD::QAB1(H),XS(b)
- Refutation
- P(e);
- Try
- Actual
- S(G);
- Vars
- S(b);N_GUARD,XP(A)::QAB(H),XP(f)
- P(d);OGATE,XP(B)::QAR1(H),XP(d)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(e);SBLOCK::S(E)
- S(b);N_GUARD::QAB(H),XP(f)
- S(b);SBLOCK::S(G)
Developed and maintained by Brian Stephenson.
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