MESON Chess Problem Database
Problem Display
PID: 34433 (7n/7r/3N3q/1Qbk1B1p/R2PR3/1P1p3K/p5NB/2r5 w - - 0 1)
Stocchi, Ottavio
1st Prize, Rzeczpospolita, 1950
#2
10 + 9
| 3100 | Selected Stocchi (I) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.Be6#
- 1...Qe3+
- 2.Sxe3#
- 1...Qg5
- 2.Be6#
- 1...Qg7
- 2.Se3#
- 2.Be6#
- 1...Qf8
- 2.Se3#
- 2.Be6#
- 1...Qxd6
- 2.Se3#
- 1...Qe6
- 2.Se3#
- 2.Bxe6#
- 1...Qf6
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 1...Ra1
- 2.Qxc5#
- 1...Rb1
- 2.Qxc5#
- 1...Rd1
- 2.Qxc5#
- 1...Re1
- 2.Qxc5#
- 1...Rf1
- 2.Qxc5#
- 1...Rg1
- 2.Qxc5#
- 1...Rh1
- 2.Qxc5#
- 1...Rc4
- 2.bxc4#
- 1...Rb7
- 2.Qxb7#
- 1...Sg6
- 2.Be6#
- 1...Sf7
- 2.Qb7#
- 1...Qd2
- Tries
- 1.Sc4?
- threat
- 2.Qxc5#
- 1...Qe3+
- 2.Sgxe3#
- 2.Scxe3#
- 1...Rxc4
- 2.bxc4#
- 1...Qf8
- 2.Sge3#
- 2.Sf4#
- 2.Sce3#
- 2.Sb6#
- 1...Qb6
- 2.Sge3#
- 2.Sf4#
- 2.Sce3#
- 2.Sxb6#
- 1...Qc6
- 2.Sge3#
- 2.Sf4#
- 2.Sce3#
- 1...Qd6
- 2.Sge3#
- 2.Sce3#
- 1...Rc7!
- threat
- 1.Se8?
- threat
- 2.Re5#
- 1...Qe3+
- 2.Sxe3#
- 1...Qf4
- 2.Sxf4#
- 1...Qg7
- 2.Se3#
- 2.Sf4#
- 1...Qd6
- 2.Se3#
- 1...Qe6
- 2.Se3#
- 2.Sf4#
- 1...Qf6
- 2.Se3#
- 2.Sf4#
- 2.Sxf6#
- 1...Re1
- 2.Qxc5#
- 1...Rc4
- 2.bxc4#
- 1...Sg6
- 2.Sf6#
- 1...Sf7
- 2.Sc7#
- 1...Re7!
- threat
- 1.Rc4?
- threat
- 2.Qxc5#
- 1...Qe3+
- 2.Sxe3#
- 1...Qxd6
- 2.Se3#
- 1...Rxc4
- 2.bxc4#
- 1...Rc7!
- threat
- 1.Ra6?
- threat
- 2.Qc6#
- 1...Qe3+
- 2.Sxe3#
- 1...Qxd6
- 2.Se3#
- 2.Rxd6#
- 1...Rc7!
- threat
- 1.Sc4?
- Keys
- 1.Sc8!
- threat
- 2.Re5#
- 1...Qe3+
- 2.Sxe3#
- 1...Qf4
- 2.Sxf4#
- 1...Qg7
- 2.Se3#
- 2.Sf4#
- 2.Sb6#
- 1...Qd6
- 2.Se3#
- 1...Qe6
- 2.Se3#
- 2.Sf4#
- 1...Qf6
- 2.Se3#
- 2.Sf4#
- 1...Re1
- 2.Qxc5#
- 1...Rc4
- 2.bxc4#
- 1...Re7
- 2.Sxe7#
- 1...Sg6
- 2.Sb6#
- 1...Sf7
- 2.Se7#
- threat
- 1.Sc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(g);N_GUARD::B(I)
- Q(g);CHECK,N_GUARD::S(A),XQ(g)
- Q(g);N_GUARD,XS(J)::S(A)
- Q(g);N_GUARD::S(A)
- R(a);N_GUARD::QAR1(H),XB(d)
- R(a);N_GUARD,P_PINB(B)::QAR1(H),XB(d)
- R(a);OGATE::P(C),XR(a)
- R(h);N_GUARD::QAB(H),XR(h)
- S(i);S_CUTQ(g)::B(I)
- S(i);S_CUTR(h)::QAB(H)
- Tries
- Try
- S(J);
- Threat
- QAR1(H),XB(d)
- Vars
- R(a);OGATE,XS(J)::P(C),XR(a)
- Refutation
- R(h);
- Try
- S(J);
- Threat
- R1(G)
- Vars
- Q(g);CHECK,N_GUARD::S(A),XQ(g)
- Q(g);N_GUARD::S(A),XQ(g)
- Q(g);N_GUARD::S(A)
- R(a);N_GUARD::QAR1(H),XB(d)
- R(a);OGATE::P(C),XR(a)
- S(i);S_CUTQ(g)::S(J)
- S(i);S_CUTR(h)::S(J)
- Refutation
- R(h);
- Try
- R(E);
- Threat
- QAR1(H),XB(d)
- Vars
- Q(g);CHECK,N_GUARD::S(A),XQ(g)
- Q(g);N_GUARD,XS(J)::S(A)
- R(a);OGATE,XR(E)::P(C),XR(a)
- Refutation
- R(h);
- Try
- R(E);
- Threat
- QAB1(H)
- Vars
- Q(g);CHECK,N_GUARD::S(A),XQ(g)
- Refutation
- R(h);
- Try
- Actual
- S(J);
- Threat
- R1(G)
- Vars
- Q(g);CHECK,N_GUARD::S(A),XQ(g)
- Q(g);N_GUARD::S(A),XQ(g)
- Q(g);N_GUARD::S(A)
- R(a);N_GUARD::QAR1(H),XB(d)
- R(a);OGATE::P(C),XR(a)
- R(h);N_GUARD::S(J),XR(h)
- S(i);S_CUTQ(g)::S(J)
- S(i);S_CUTR(h)::S(J)
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).