MESON Chess Problem Database
Problem Display
PID: 226 (N1R5/4p3/Q4p2/p1Pk4/q2nnP2/1Pp5/3N1BK1/4R3 w - - 0 1)
Mari, Alberto
1st Prize, Sahovski Vestnik, 1950
#2
10 + 8
| 3105 | FIDE Album (1945-1955) | 1964 |
| 14744 | Nuova Antologia dei Problemisti Italiani | 1992 |
| 133 | The Problemist Supplement | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qc6
- 2.Qc4#
- 1...Qd7
- 2.Qc4#
- 1...Qe8
- 2.Qc4#
- 1...Qa1
- 2.Qc4#
- 1...Qa2
- 2.Qc4#
- 1...Qa3
- 2.Qc4#
- 1...Qc4
- 2.Qxc4#
- 2.bxc4#
- 1...Sc2
- 2.Sc7#
- 1...Se2
- 2.Sc7#
- 1...Sxb3
- 2.Sc7#
- 1...Sf3
- 2.Sc7#
- 1...Sb5
- 2.Qc6#
- 1...Sf5
- 2.Sc7#
- 1...Sc6
- 2.Sc7#
- 1...Se6
- 2.Sb6#
- 1...Sxd2
- 2.Sb6#
- 1...Sxf2
- 2.Sb6#
- 1...Sg3
- 2.Sb6#
- 1...Sxc5
- 2.Sc7#
- 1...Sg5
- 2.Sb6#
- 1...Sd6
- 2.Sb6#
- 1...e6
- 2.Sb6#
- 1...Qc6
- Tries
- 1.Sc4?
- threat
- 2.Se3#
- 1...Qxc4
- 2.Qxc4#
- 2.bxc4#
- 1...Sxb3
- 2.Sc7#
- 1...Sxf2
- 2.Scb6#
- 2.Sab6#
- 1...Sxc5
- 2.Sab6#
- 2.Sc7#
- 1...Sc6
- 2.Sc7#
- 1...Sc2
- 2.Sc7#
- 1...Se2
- 2.Sc7#
- 1...Sf3
- 2.Sc7#
- 1...Sb5
- 2.Qc6#
- 1...Sf5
- 2.Sc7#
- 1...Se6
- 2.Scb6#
- 2.Sab6#
- 1...Sd2
- 2.Scb6#
- 2.Sab6#
- 1...Sg3
- 2.Scb6#
- 2.Sab6#
- 1...Sg5
- 2.Scb6#
- 2.Sab6#
- 1...Sd6
- 2.Scb6#
- 2.Sab6#
- 1...Qc6!
- threat
- 1.Sxe4?
- threat
- 2.Sxc3#
- 2.Sc7#
- 1...Qxb3
- 2.Sc7#
- 2.Rd8#
- 1...Qc6
- 2.Qc4#
- 1...Qd7
- 2.Sxc3#
- 2.Qc4#
- 1...Qa1
- 2.Sc7#
- 2.Rd8#
- 2.Qc4#
- 1...Qb4
- 2.Sc7#
- 2.Rd8#
- 1...Qc4
- 2.Sc7#
- 2.Rd8#
- 2.Qxc4#
- 2.bxc4#
- 1...Sb5
- 2.Qc6#
- 1...Se6
- 2.Sxc3#
- 2.Sb6#
- 1...c2
- 2.Sc3#
- 2.Sc7#
- 1...Se2!
- threat
- 1.Qc6+?
- 1...Sxc6
- 2.Sc7#
- 1...Qxc6!
- 1...Sxc6
- 1.Qd6+?
- 1...Sxd6
- 2.Sb6#
- 1...exd6!
- 1...Sxd6
- 1.Qe6+?
- 1...Sxe6
- 2.Sb6#
- 1...Kxe6!
- 1...Sxe6
- 1.Qxf6?
- threat
- 2.Sb6#
- 2.Qe5#
- 1...Qxb3
- 2.Qe5#
- 1...Sxf6
- 2.Sb6#
- 2.Re5#
- 1...Qc6
- 2.Qe5#
- 1...Qb5
- 2.Qe5#
- 1...Qb4
- 2.Qe5#
- 1...Sf3
- 2.Sb6#
- 2.Sc7#
- 1...Sc6
- 2.Sb6#
- 2.Sc7#
- 1...e5
- 2.Sb6#
- 2.Qxe5#
- 1...exf6!
- threat
- 1.bxa4?
- threat
- 2.Qc4#
- 1...Sxd2
- 2.Sb6#
- 1...Sxc5
- 2.Sc7#
- 1...Sb5
- 2.Qc6#
- 1...Sd6
- 2.Sb6#
- 1...cxd2!
- threat
- 1.b4?
- threat
- 2.Sc7#
- 2.Qc4#
- 1...Sxd2
- 2.Sb6#
- 2.Sc7#
- 1...Sxc5
- 2.Sc7#
- 2.Rxc5#
- 1...cxd2
- 2.Sc7#
- 1...axb4
- 2.Qc4#
- 1...Qc6
- 2.Qc4#
- 1...Qb5
- 2.Sc7#
- 1...Qb3
- 2.Sc7#
- 1...Qd7
- 2.Qc4#
- 1...Qa2
- 2.Sc7#
- 1...Sb5
- 2.Qc6#
- 1...Se6
- 2.Sb6#
- 2.Qc4#
- 1...Sd6
- 2.Sb6#
- 2.Sc7#
- 1...Qxb4!
- threat
- 1.Sc4?
- Keys
- 1.Sf1!
- threat
- 2.Se3#
- 1...Sxb3
- 2.Sc7#
- 1...Sxf2
- 2.Sb6#
- 1...Sxc5
- 2.Sc7#
- 1...Qc6
- 2.Qc4#
- 1...Sc6
- 2.Sc7#
- 1...Sc2
- 2.Sc7#
- 1...Se2
- 2.Sc7#
- 1...Sf3
- 2.Sc7#
- 1...Sb5
- 2.Qc6#
- 1...Sf5
- 2.Sc7#
- 1...Se6
- 2.Sb6#
- 1...Sd2
- 2.Sb6#
- 1...Sg3
- 2.Sb6#
- 1...Sg5
- 2.Sb6#
- 1...Sd6
- 2.Sb6#
- threat
- 1.Sf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(b);N_GUARD::QAB1(H)
- S(c);::S(I)
- S(c);XP(E)::S(I)
- S(c);N_GUARD,S_CUTQ(b)::QAB1(H)
- S(c);SBLOCK::S(I)
- S(d);XS(B)::S(I)
- S(d);XB(C)::S(I)
- S(d);::S(I)
- S(d);SBLOCK,XP(G)::S(I)
- P(h);SBLOCK::S(I)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- S(c);XP(E)::S(I)
- S(c);::S(I)
- S(c);N_GUARD,S_CUTQ(b)::QAB1(H)
- Refutation
- Q(b);
- Try
- S(B);XS(d)
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::QAB1(H)
- S(c);N_GUARD,S_CUTQ(b)::QAB1(H)
- Refutation
- S(c);
- Try
- Q(H);CHECK
- Vars
- S(c);SBLOCK,XQ(H)::S(I)
- Refutation
- Q(b);XQ(H)
- Try
- Q(H);CHECK
- Vars
- S(d);XQ(H)::S(I)
- Refutation
- P(h);XQ(H)
- Try
- Q(H);CHECK
- Vars
- S(c);SBLOCK,XQ(H)::S(I)
- Refutation
- K(f);P_SPINS(d),S_FLIGHT,XQ(H)
- Try
- Q(H);XP(g)
- Threat
- DUALS(2)
- Vars
- Q(b);XP(E)::QAR1(H)
- Q(b);::QAR1(H)
- Refutation
- P(h);XQ(H)
- Try
- P(E);XQ(b)
- Threat
- QAB1(H)
- Vars
- S(d);XS(B)::S(I)
- S(d);SBLOCK,XP(G)::S(I)
- S(c);N_GUARD::QAB1(H)
- S(d);::S(I)
- Refutation
- P(a);XS(B)
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- P(a);XS(B)::S(I)
- P(e);XP(E)::QAB1(H)
- Q(b);::QAB1(H)
- Q(b);::S(I)
- S(c);N_GUARD,S_CUTQ(b)::QAB1(H)
- Refutation
- Q(b);XP(E)
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- S(c);XP(E)::S(I)
- S(d);XB(C)::S(I)
- S(d);SBLOCK,XP(G)::S(I)
- Q(b);N_GUARD::QAB1(H)
- S(c);::S(I)
- S(c);N_GUARD,S_CUTQ(b)::QAB1(H)
- S(c);SBLOCK::S(I)
- S(d);::S(I)
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