MESON Chess Problem Database
Problem Display
PID: 78069 (6Q1/r2p3r/2pnp3/1N1k1N2/B7/7p/b3R3/2R4K w - - 0 1)
Stambuk, Sveto
2nd Prize, Magasinet, 1951/I
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxa4
- 2.Sc7#
- 1...Ra5
- 2.Sc7#
- 1...Ra6
- 2.Sc7#
- 1...Rc7
- 2.Sxc7#
- 1...Ra8
- 2.Sc7#
- 1...Rh4
- 2.Se7#
- 1...Rh5
- 2.Se7#
- 1...Rh6
- 2.Se7#
- 1...Re7
- 2.Sxe7#
- 1...Rh8
- 2.Se7#
- 1...Sb7
- 2.Sc7#
- 1...Sf7
- 2.Se7#
- 1...Rxa4
- Tries
- 1.Qg1?
- threat
- 2.Rc5#
- 2.Qd4#
- 2.Qc5#
- 2.Qd1#
- 1...Rxa4
- 2.Sc7#
- 2.Rc5#
- 2.Qc5#
- 1...Sxb5
- 2.Rc5#
- 2.Qc5#
- 1...Sxf5
- 2.Rc5#
- 2.Qc5#
- 1...Se4
- 2.Qd4#
- 1...c5
- 2.Rxc5#
- 2.Qxc5#
- 1...Rh4
- 2.Se7#
- 2.Rc5#
- 2.Qc5#
- 1...Bb1
- 2.Rc5#
- 2.Qd4#
- 2.Qc5#
- 1...Bb3
- 2.Rc5#
- 2.Qd4#
- 2.Qc5#
- 1...Bc4
- 2.Sc3#
- 2.Qd4#
- 1...Sc4
- 2.Sc3#
- 2.Qd4#
- 1...Sb7
- 2.Sc7#
- 2.Qd4#
- 2.Qd1#
- 1...e5!
- threat
- 1.Qg2+?
- 1...Se4
- 2.Qxe4#
- 1...hxg2+!
- 1...Se4
- 1.Qg3?
- threat
- 2.Re5#
- 2.Qe5#
- 2.Qxd6#
- 2.Qd3#
- 1...Rxa4
- 2.Sc7#
- 2.Re5#
- 2.Qe5#
- 2.Qxd6#
- 1...Sxb5
- 2.Re5#
- 2.Qe5#
- 2.Qf3#
- 1...Sxf5
- 2.Re5#
- 2.Qe5#
- 2.Qf3#
- 1...Bc4
- 2.Re5#
- 2.Qe5#
- 2.Qxd6#
- 1...c5
- 2.Qxd6#
- 1...e5
- 2.Rxe5#
- 2.Qxe5#
- 1...Rh4
- 2.Se7#
- 2.Re5#
- 2.Qe5#
- 2.Qxd6#
- 1...Bb1
- 2.Re5#
- 2.Qe5#
- 2.Qxd6#
- 1...Se4
- 2.Se3#
- 1...Sb7
- 2.Sc7#
- 2.Re5#
- 2.Qe5#
- 2.Qd3#
- 2.Qf3#
- 1...Sf7
- 2.Se7#
- 2.Qd3#
- 2.Qf3#
- 1...Sc8
- 2.Re5#
- 2.Qe5#
- 2.Qd3#
- 2.Qf3#
- 1...Se8
- 2.Re5#
- 2.Qe5#
- 2.Qd3#
- 2.Qf3#
- 1...Sc4!
- threat
- 1.Qg7?
- threat
- 2.Se7#
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Rxa4
- 2.Sc7#
- 2.Se7#
- 2.Re5#
- 2.Qe5#
- 1...Sxb5
- 2.Re5#
- 2.Qe5#
- 1...Sxf5
- 2.Re5#
- 2.Qe5#
- 1...exf5
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Bc4
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Sc4
- 2.Qd4#
- 1...c5
- 2.Se7#
- 1...e5
- 2.Rxe5#
- 2.Qxe5#
- 1...Rh4
- 2.Se7#
- 2.Re5#
- 2.Qe5#
- 1...Se4
- 2.Se3#
- 2.Se7#
- 2.Qd4#
- 1...Sf7
- 2.Se7#
- 2.Qd4#
- 1...Sc8
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Rxg7!
- threat
- 1.Qb8?
- threat
- 2.Qxd6#
- 1...Sxb5
- 2.Re5#
- 2.Qe5#
- 1...Sxf5
- 2.Re5#
- 2.Qe5#
- 1...Rc7
- 2.Sxc7#
- 1...Se4
- 2.Se3#
- 1...Sb7
- 2.Sc7#
- 2.Re5#
- 2.Qe5#
- 1...Sf7
- 2.Se7#
- 1...Sc8
- 2.Re5#
- 2.Qe5#
- 1...Se8
- 2.Re5#
- 2.Qe5#
- 1...Sc4!
- threat
- 1.Qf8?
- threat
- 2.Qxd6#
- 1...Sxb5
- 2.Rc5#
- 2.Qc5#
- 1...Sxf5
- 2.Rc5#
- 2.Qc5#
- 1...Re7
- 2.Sxe7#
- 1...Sc4
- 2.Sc3#
- 1...Sb7
- 2.Sc7#
- 1...Sf7
- 2.Se7#
- 2.Rc5#
- 2.Qc5#
- 1...Sc8
- 2.Rc5#
- 2.Qc5#
- 1...Se8
- 2.Rc5#
- 2.Qc5#
- 1...Se4!
- threat
- 1.Qg1?
- Keys
- 1.Qg4!
- threat
- 2.Qd4#
- 1...Rxa4
- 2.Sc7#
- 1...Sxb5
- 2.Qf3#
- 2.Qe4#
- 1...Sxf5
- 2.Qf3#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...c5
- 2.Sc3#
- 1...e5
- 2.Se3#
- 1...Rh4
- 2.Se7#
- threat
- 1.Qg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(g);N_GUARD,XB(D)::S(E)
- R(g);N_GUARD::S(E)
- R(g);N_GUARD::S(E),XR(g)
- R(i);N_GUARD::S(F)
- R(i);N_GUARD::S(F),XR(i)
- S(e);S_CUTR(g)::S(E)
- S(e);N_SPINP(f),S_CUTR(i)::S(F)
- Tries
- Try
- Q(G);N_PINP(f)
- Threat
- DUALS(4)
- Vars
- S(e);::QAR1(G)
- Refutation
- P(f);
- Try
- Q(G);CHECK,N_PINP(f)
- Vars
- S(e);N_GUARD,P_SPINS(e)::QAB1(G),XS(e)
- Refutation
- P(b);CHECK,XQ(G)
- Try
- Q(G);N_PINP(f)
- Threat
- DUALS(4)
- Vars
- P(d);::QAR1(G),XS(e)
- S(e);SBLOCK::S(F)
- Refutation
- S(e);
- Try
- Q(G);N_PINP(f)
- Threat
- DUALS(4)
- Vars
- S(e);::QAR1(G)
- P(d);::S(F)
- Refutation
- R(i);XQ(G)
- Try
- Q(G);N_PINP(f)
- Threat
- QAR1(G),XS(e)
- Vars
- R(g);N_GUARD::S(E),XR(g)
- S(e);SBLOCK::S(F)
- S(e);S_CUTR(i)::S(F)
- Refutation
- S(e);
- Try
- Q(G);N_PINP(f)
- Threat
- QAR1(G),XS(e)
- Vars
- R(i);N_GUARD::S(F),XR(i)
- S(e);SBLOCK::S(E)
- S(e);S_CUTR(g)::S(E)
- Refutation
- S(e);
- Try
- Actual
- Q(G);N_PINP(f)
- Threat
- QAR1(G)
- Vars
- R(g);N_GUARD,XB(D)::S(E)
- S(e);N_GUARD::QAB1(G),XS(e)
- P(d);SBLOCK::S(E)
- P(f);SBLOCK::S(F)
- R(i);N_GUARD::S(F)
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).