MESON Chess Problem Database
Problem Display
PID: 75932 (br2R3/q1p3QK/7P/7P/3BpkNP/5pNn/5P2/b6r w - - 0 1)
Mirri, Giorgio
3rd Prize, L'Italia Scacchistica, 1955
#2
10 + 10
| 4901 | Best Problems | 2007 |
| 136 | Problem Observer | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Be3#
- 1...Qa4
- 2.Be3#
- 1...Qa5
- 2.Be3#
- 1...Qa6
- 2.Be3#
- 1...Qb7
- 2.Be3#
- 1...Rb1
- 2.Rf8#
- 1...Rb2
- 2.Be5#
- 2.Rf8#
- 1...Rb3
- 2.Rf8#
- 1...Rb4
- 2.Rf8#
- 1...Rb6
- 2.Be3#
- 1...Rb7
- 2.Rxe4#
- 2.Rf8#
- 1...Sg1
- 2.Qg5#
- 1...Sg5+
- 2.Qxg5#
- 1...c5
- 2.Be3#
- 1...c6
- 2.Rxe4#
- 1...Qa2
- Tries
- 1.Se2+?
- 1...Kf5
- 2.Se3#
- 2.Re5#
- 2.Qg6#
- 2.Qd7#
- 1...fxe2!
- 1...Kf5
- 1.Sh2?
- threat
- 2.Qe5#
- 2.Qf6#
- 2.Qf8#
- 2.Qg4#
- 2.Qf7#
- 1...Sg5+
- 2.Qxg5#
- 1...Qxd4
- 2.Qg4#
- 1...Rxe8
- 2.Qf6#
- 2.Qg4#
- 2.Qf7#
- 1...Bxd4
- 2.Qg4#
- 1...Sxf2
- 2.Qe5#
- 2.Qg5#
- 1...Qc5
- 2.Qg4#
- 1...Qb6
- 2.Qe5#
- 2.Qg4#
- 1...Qa2
- 2.Be3#
- 2.Qe5#
- 2.Qf6#
- 2.Qg4#
- 2.Qxc7#
- 1...Qa3
- 2.Qe5#
- 2.Qf6#
- 2.Qg4#
- 2.Qf7#
- 1...Qa5
- 2.Be3#
- 2.Qg4#
- 1...Qa6
- 2.Be3#
- 2.Qe5#
- 2.Qg4#
- 1...Rb5
- 2.Qg4#
- 1...Rb6
- 2.Be3#
- 2.Qe5#
- 2.Qg4#
- 1...Bd5
- 2.Qe5#
- 2.Qf6#
- 2.Qg4#
- 1...c5
- 2.Be3#
- 1...c6
- 2.Rxe4#
- 1...Rxh2!
- threat
- 1.Se3?
- threat
- 2.Qe5#
- 2.Qf6#
- 2.Qf8#
- 2.Qg4#
- 2.Qf7#
- 1...Sg5+
- 2.Qxg5#
- 1...Qxd4
- 2.Qg4#
- 1...Rxe8
- 2.Qf6#
- 2.Qg4#
- 2.Qf7#
- 1...Bxd4
- 2.Qg4#
- 1...Sxf2
- 2.Qe5#
- 2.Qg5#
- 1...Qc5
- 2.Qg4#
- 1...Qb6
- 2.Qe5#
- 2.Qg4#
- 1...Qa2
- 2.Qe5#
- 2.Qf6#
- 2.Qg4#
- 2.Qxc7#
- 1...Qa3
- 2.Qe5#
- 2.Qf6#
- 2.Qg4#
- 2.Qf7#
- 1...Qa5
- 2.Qg4#
- 1...Qa6
- 2.Qe5#
- 2.Qg4#
- 1...Rb5
- 2.Qg4#
- 1...Rb6
- 2.Qe5#
- 2.Qg4#
- 1...Bd5
- 2.Sxd5#
- 2.Qe5#
- 2.Qf6#
- 2.Qg4#
- 1...c6
- 2.Rxe4#
- 1...c5!
- threat
- 1.Se5?
- threat
- 2.Qf6#
- 2.Qf8#
- 2.Qg4#
- 2.Qf7#
- 1...Sg5+
- 2.Qxg5#
- 1...Rxe8
- 2.Qf6#
- 2.Qg4#
- 2.Qf7#
- 1...Sxf2
- 2.Qg5#
- 1...Qc5
- 2.Qf6#
- 2.Qg4#
- 2.Qf7#
- 1...Qb6
- 2.Qg4#
- 1...Qa2
- 2.Be3#
- 2.Qf6#
- 2.Qg4#
- 1...Qa3
- 2.Qf6#
- 2.Qg4#
- 2.Qf7#
- 1...Qa6
- 2.Be3#
- 2.Qg4#
- 1...Rb6
- 2.Be3#
- 2.Qg4#
- 1...Bd5
- 2.Qf6#
- 2.Qg4#
- 1...c5
- 2.Be3#
- 1...c6!
- threat
- 1.Se2+?
- Keys
- 1.Sf6!
- threat
- 2.Qg4#
- 1...Sg5+
- 2.Qxg5#
- 1...Sxf2
- 2.Qg5#
- 1...c5
- 2.Be3#
- 1...c6
- 2.Rxe4#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(g);N_GUARD::B(C)
- R(j);N_GUARD::R(J)
- R(j);S_CUTQ(g)::B(C)
- S(d);N_GUARD::QAB1(H)
- S(d);CHECK,N_GUARD::QAB1(H),XS(d)
- P(h);P_PINQ(H),S_CUTQ(g)::B(C)
- P(h);P_PINQ(H),S_CUTB(i)::R1(J),XP(e)
- Tries
- Try
- S(B);CHECK
- Refutation
- P(c);XS(B)
- Try
- S(D);
- Threat
- DUALS(5)
- Vars
- S(d);CHECK,N_GUARD::QAB1(H),XS(d)
- Q(g);XB(C)::QAR1(H)
- B(a);XB(C)::QAR1(H)
- Q(g);::QAR1(H)
- R(j);::QAR1(H)
- P(h);P_PINQ(H),S_CUTQ(g)::B(C)
- P(h);P_PINQ(H),S_CUTB(i)::R1(J),XP(e)
- Refutation
- R(b);XS(D)
- Try
- S(D);
- Threat
- DUALS(5)
- Vars
- S(d);CHECK,N_GUARD::QAB1(H),XS(d)
- Q(g);XB(C)::QAR1(H)
- B(a);XB(C)::QAR1(H)
- Q(g);::QAR1(H)
- R(j);::QAR1(H)
- P(h);P_PINQ(H),S_CUTB(i)::R1(J),XP(e)
- Refutation
- P(h);P_PINQ(H)
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- S(d);CHECK,N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD,XP(A)::QAB1(H)
- Q(g);::QAR1(H)
- P(h);P_PINQ(H),S_CUTQ(g)::B(C)
- Refutation
- P(h);P_PINQ(H)
- Try
- Actual
- S(D);
- Threat
- QAR1(H)
- Vars
- S(d);CHECK,N_GUARD::QAB1(H),XS(d)
- S(d);N_GUARD,XP(A)::QAB1(H)
- P(h);P_PINQ(H),S_CUTQ(g)::B(C)
- P(h);P_PINQ(H),S_CUTB(i)::R1(J),XP(e)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).