MESON Chess Problem Database
Problem Display
PID: 29187 (5N2/8/r2n4/p1BNkpP1/Kn2P1b1/1Q3pP1/8/b3Rr2 w - - 0 1)
Stocchi, Ottavio
2nd Prize, L'Italia Scacchistica, 1938
#2
9 + 10
| 3100 | Selected Stocchi (I) | 2001 |
| 14475 | Mat Plus Review | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Sxd5
- 2.Qxd5#
- 1...f4
- 2.gxf4#
- 1...Bb2
- Tries
- 1.Sxb4?
- threat
- 2.Sd3#
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe6#
- 1...Rxe1
- 2.Qd5#
- 2.Qe6#
- 1...Sxe4
- 2.Sd3#
- 2.Sd7#
- 2.Qd5#
- 1...fxe4
- 2.Qd5#
- 1...Ra7
- 2.Sd3#
- 2.Sc6#
- 2.Sg6#
- 2.Qd5#
- 2.Qe6#
- 1...Bh5
- 2.Sd3#
- 2.Sd7#
- 2.Qd5#
- 2.Qe6#
- 1...Sc4
- 2.Sd3#
- 1...Sb5
- 2.Sd3#
- 2.Sd7#
- 2.Qd5#
- 1...Sb7
- 2.Sd3#
- 2.Sd7#
- 2.Qd5#
- 1...Sf7
- 2.Sd3#
- 2.Sd7#
- 2.Qd5#
- 1...Sc8
- 2.Sd3#
- 2.Sd7#
- 2.Qd5#
- 1...Se8
- 2.Sd3#
- 2.Sd7#
- 2.Qd5#
- 1...f4
- 2.Sd3#
- 2.Sg6#
- 2.Qd5#
- 1...axb4+!
- threat
- 1.Sf4?
- threat
- 2.S4g6#
- 2.S8g6#
- 2.Sd7#
- 2.Qe6#
- 1...Rxe1
- 2.Qe6#
- 1...Sxe4
- 2.Sd7#
- 1...Ra7
- 2.S4g6#
- 2.S8g6#
- 2.Qe6#
- 1...Bh5
- 2.Sd7#
- 2.Qe6#
- 1...Sd5
- 2.Sd3#
- 2.S4g6#
- 2.S8g6#
- 2.Sd7#
- 2.Qxd5#
- 1...Sc4
- 2.Sd7#
- 1...Sb5
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sf7
- 2.Sd7#
- 1...Sc8
- 2.Sd7#
- 1...Se8
- 2.Sd7#
- 1...fxe4!
- threat
- 1.Sb6?
- threat
- 2.Sbd7#
- 2.Sg6#
- 2.Sfd7#
- 2.Qe6#
- 1...Rxe1
- 2.Qe6#
- 1...Rxb6
- 2.Sg6#
- 2.Sd7#
- 2.Qe6#
- 1...Ra7
- 2.Sg6#
- 2.Qe6#
- 1...Bh5
- 2.Sbd7#
- 2.Sfd7#
- 2.Qe6#
- 1...Sd5
- 2.Sbd7#
- 2.Qxd5#
- 1...Sc4
- 2.Sxc4#
- 2.Sbd7#
- 1...f4
- 2.Sg6#
- 1...fxe4!
- threat
- 1.Sf6?
- threat
- 2.S6d7#
- 2.Sg6#
- 2.S8d7#
- 2.Qe6#
- 1...Rxe1
- 2.Sg6#
- 2.S8d7#
- 2.Qe6#
- 1...Sxe4
- 2.S6d7#
- 2.Sg6#
- 2.S8d7#
- 1...Ra7
- 2.Sg6#
- 2.Qe6#
- 1...Bh5
- 2.S6d7#
- 2.S8d7#
- 2.Qe6#
- 1...Sd5
- 2.S6d7#
- 2.Qxd5#
- 1...Sc4
- 2.S6d7#
- 1...Sb5
- 2.S6d7#
- 2.Sg6#
- 2.S8d7#
- 1...Sb7
- 2.S6d7#
- 2.Sg6#
- 2.S8d7#
- 1...Sf7
- 2.S6d7#
- 2.Sg6#
- 2.S8d7#
- 1...Sc8
- 2.S6d7#
- 2.Sg6#
- 2.S8d7#
- 1...Se8
- 2.S6d7#
- 2.Sg6#
- 2.S8d7#
- 1...f4
- 2.Sxg4#
- 2.Sg6#
- 1...fxe4!
- threat
- 1.Sc7?
- threat
- 2.Sg6#
- 2.Sd7#
- 2.Qe6#
- 1...Rxe1
- 2.Qe6#
- 1...Sxe4
- 2.Sd7#
- 1...Bh5
- 2.Sd7#
- 2.Qe6#
- 1...Sd5
- 2.Sg6#
- 2.Sd7#
- 2.Qxd5#
- 1...Sc4
- 2.Sd7#
- 1...Sb5
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sf7
- 2.Sd7#
- 1...Sc8
- 2.Sd7#
- 1...Se8
- 2.Sd7#
- 1...f4
- 2.Sg6#
- 1...fxe4!
- threat
- 1.Se7?
- threat
- 2.Seg6#
- 2.Sfg6#
- 2.Sd7#
- 2.Qe6#
- 1...Rxe1
- 2.Qe6#
- 1...Sxe4
- 2.Sd7#
- 1...fxe4
- 2.Sfg6#
- 1...Ra7
- 2.Seg6#
- 2.Sfg6#
- 2.Qe6#
- 1...Bh5
- 2.Sd7#
- 2.Qe6#
- 1...Sd5
- 2.Seg6#
- 2.Qxd5#
- 1...Sb5
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sf7
- 2.Sd7#
- 1...Sc8
- 2.Sd7#
- 1...Se8
- 2.Sd7#
- 1...f4
- 2.Seg6#
- 2.Sfg6#
- 1...Sc4!
- threat
- 1.Sxb4?
- Keys
- 1.Se3!
- threat
- 2.Qe6#
- 1...Kxe4
- 2.Sxf1#
- 1...Sxe4
- 2.Sd7#
- 1...fxe4
- 2.Sg6#
- 1...Sd5
- 2.Qxd5#
- 1...Sc4
- 2.Sxc4#
- 1...Sb5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...f4
- 2.Sxg4#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- B(a);N_GUARD::QAB(B),XB(a)
- S(d);OGATE,XS(G)::QAR1(B),XS(d)
- P(h);OGATE::P(C),XP(h)
- Tries
- Try
- S(G);XS(d)
- Threat
- DUALS(5)
- Vars
- P(h);P_SPINP(h),XP(E)::QAR1(B)
- S(j);::S(G)
- Refutation
- P(f);CHECK,XS(G)
- Try
- S(G);
- Threat
- DUALS(4)
- Vars
- R(b);XR(A)::QAR1(B)
- S(j);P_SPINS(j),XP(E)::S(I)
- S(j);::S(I)
- Refutation
- P(h);P_SPINP(h),XP(E)
- Try
- S(G);
- Threat
- DUALS(4)
- Vars
- R(b);XR(A)::QAR1(B)
- P(h);::S(I)
- Refutation
- P(h);P_SPINP(h),XP(E)
- Try
- S(G);
- Threat
- DUALS(4)
- Vars
- S(j);::S(G)
- Refutation
- P(h);P_SPINP(h),XP(E)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(b);XR(A)::QAR1(B)
- S(j);P_SPINS(j),XP(E)::S(I)
- S(j);::S(I)
- P(h);::S(I)
- Refutation
- P(h);P_SPINP(h),XP(E)
- Try
- S(G);
- Threat
- DUALS(4)
- Vars
- R(b);XR(A)::QAR1(B)
- S(j);P_SPINS(j),XP(E)::S(I)
- P(h);P_SPINP(h),XP(E)::S(I)
- S(j);::S(I)
- Refutation
- S(j);
- Try
- Actual
- S(G);
- Threat
- QAR1(B)
- Vars
- K(g);P-FLIGHT,XP(E)::R(A)+S(G),XR(b)
- S(j);SBLOCK,XP(E)::S(I)
- P(h);SBLOCK,XP(E)::S(I)
- S(d);N_GUARD::QAR1(B),XS(d)
- S(j);N_GUARD::S(G),XS(j)
- S(j);N_GUARD::S(G)
- P(h);N_GUARD::S(G),XB(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).