MESON Chess Problem Database
Problem Display
PID: 56549 (3B2B1/1N2R2K/2kN1R1b/8/n2p4/2rr2p1/2qpQ1b1/8 w - - 0 1)
Guidelli, Giorgio
2nd Prize, Brisbane Courier, 1916-1917
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Re3+
- 2.Se4#
- 1...Rf3+
- 2.Sf5#
- 1...Bf1
- 2.Qe4#
- 1...Bh3
- 2.Qe4#
- 1...Be4+
- 2.Qxe4#
- 1...Be3
- 2.Qxg2#
- 1...Sc5
- 2.Sa5#
- 1...Sb6
- 2.Rc7#
- 1...Re3+
- Tries
- 1.Sf7+?
- 1...Kd5
- 2.Se5#
- 2.Sg5#
- 2.Sxh6#
- 2.Sh8#
- 2.Qe6#
- 1...Kb5!
- 1...Kd5
- 1.Ba5?
- threat
- 2.Rc7#
- 1...Re3+
- 2.Se4#
- 1...Rf3+
- 2.Sf5#
- 1...Be4+
- 2.Qxe4#
- 1...Sb6!
- threat
- 1.Qh5?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 2.Qe8#
- 2.Qb5#
- 1...Re3+
- 2.Se4#
- 1...Be4+
- 2.Sxe4#
- 1...Qb1
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 2.Qe8#
- 1...Qb3
- 2.Sc4#
- 2.Sa5#
- 2.Qe8#
- 1...Qa2
- 2.Sc4#
- 2.Sa5#
- 2.Qe8#
- 2.Qb5#
- 1...Qb2
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 2.Qe8#
- 1...Rb3
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 2.Qe8#
- 1...Rc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 2.Qe8#
- 2.Qb5#
- 1...Rc5
- 2.Qe8#
- 1...Bh3
- 2.Sa5#
- 2.Bd5#
- 2.Qb5#
- 2.Qd5#
- 1...Bd5
- 2.Bxd5#
- 2.Qe8#
- 2.Qxd5#
- 1...Bf4
- 2.Sa5#
- 2.Qe8#
- 2.Qb5#
- 1...Bg5
- 2.Qe8#
- 1...Bg7
- 2.Sa5#
- 2.Qe8#
- 2.Qb5#
- 1...Sc5
- 2.Sa5#
- 1...Sb6
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 2.Rc7#
- 2.Qb5#
- 1...Rf3+!
- threat
- 1.Qe5?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 2.Qb5#
- 1...Re3+
- 2.Se4#
- 2.Sf5#
- 1...Rf3+
- 2.Sf5#
- 1...Be4+
- 2.Sxe4#
- 2.Sf5#
- 2.Qxe4#
- 1...Qb1
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 1...Qb3
- 2.Sc4#
- 2.Sa5#
- 1...Qa2
- 2.Sc4#
- 2.Sa5#
- 2.Qb5#
- 1...Qb2
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 1...Rb3
- 2.Sc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 1...Rc4
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 2.Sa5#
- 2.Qb5#
- 1...Bh3
- 2.Sf5#
- 2.Sa5#
- 2.Bd5#
- 2.Qe4#
- 2.Qb5#
- 2.Qd5#
- 1...Bd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Bg5
- 2.Sa5#
- 2.Qb5#
- 1...Bg7
- 2.Sa5#
- 2.Qb5#
- 1...Sc5
- 2.Sa5#
- 1...Rc5!
- threat
- 1.Sf7+?
- Keys
- 1.Rg7!
- threat
- 2.Qe8#
- 1...Re3+
- 2.Se4#
- 1...Rf3+
- 2.Sf5#
- 1...Be4+
- 2.Qxe4#
- 1...Bh3
- 2.Qe4#
- 1...Be3
- 2.Qxg2#
- 1...Sc5
- 2.Sa5#
- 1...Sb6
- 2.Rc7#
- threat
- 1.Rg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(e);CHECK::R(C)+S(B)
- B(c);N_GUARD::QAB(A)
- B(c);CHECK,N_GUARD::QAB(A),XB(c)
- B(j);S_CUTR(e)::QAB(A),XB(c)
- S(g);SBLOCK::S(D)
- S(g);SBLOCK::R1(E)
- Tries
- Try
- S(B);CHECK
- Refutation
- K(i);P_SPINR(e),S_FLIGHT
- Try
- B(G);
- Threat
- R1(E)
- Vars
- R(e);CHECK::R(C)+S(B)
- B(c);CHECK,N_GUARD::QAB(A),XB(c)
- Refutation
- S(g);
- Try
- Q(A);
- Threat
- DUALS(9)
- Vars
- R(e);CHECK::R(C)+S(B)
- B(c);CHECK::R(C)+S(B),XB(c)
- R(d);::QAB(A)
- B(j);::QAB(A)
- S(g);::S(D)
- Refutation
- R(e);CHECK
- Try
- Q(A);
- Threat
- DUALS(9)
- Vars
- R(e);CHECK::R(C)+S(B)
- S(g);::S(D)
- Refutation
- R(d);
- Try
- Actual
- R(E);
- Threat
- QAB(A)
- Vars
- R(e);CHECK::R(C)+S(B)
- B(c);CHECK,N_GUARD::QAB(A),XB(c)
- B(c);N_GUARD::QAB(A)
- B(j);S_CUTR(e)::QAB(A),XB(c)
- S(g);SBLOCK::S(D)
- S(g);SBLOCK::R1(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).