MESON Chess Problem Database
Problem Display
PID: 97300 (5K2/3P3B/5kP1/R6P/n3pNpp/3r3r/4P1PQ/2B2R2 w - - 0 1)
Stocchi, Ottavio
Problemas, 1950
#2
12 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.d8Q#
- 2.d8B#
- 1...Rb3
- 2.d8Q#
- 2.d8B#
- 1...Rc3
- 2.d8Q#
- 2.d8B#
- 1...Rde3
- 2.d8Q#
- 2.d8B#
- 1...Rdf3
- 2.d8Q#
- 2.d8B#
- 1...Rdg3
- 2.d8Q#
- 2.d8B#
- 1...Rhe3
- 2.Qxh4#
- 1...Rhf3
- 2.Qxh4#
- 1...Rhg3
- 2.Qxh4#
- 1...Ra3
- Tries
- 1.Sxd3+?
- 1...Rf3
- 2.Qe5#
- 2.Qd6#
- 1...Ke6!
- 1...Rf3
- 1.Sxh3+?
- 1...Rf3
- 2.Qe5#
- 2.Qd6#
- 1...Ke6!
- 1...Rf3
- 1.Se6+?
- 1...Rdf3
- 2.Qe5#
- 1...Rhf3
- 2.Qe5#
- 1...Kxe6!
- 1...Rdf3
- 1.Rd5?
- threat
- 2.d8Q#
- 2.d8B#
- 1...Rxh2
- 2.d8Q#
- 2.d8B#
- 1...Rd1
- 2.d8Q#
- 2.d8B#
- 1...Rd2
- 2.d8Q#
- 2.d8B#
- 1...Ra3
- 2.d8Q#
- 2.d8B#
- 1...Rb3
- 2.d8Q#
- 2.d8B#
- 1...Rc3
- 2.d8Q#
- 2.d8B#
- 1...Rde3
- 2.d8Q#
- 2.d8B#
- 1...Rdf3
- 2.d8Q#
- 2.d8B#
- 1...Rdg3
- 2.d8Q#
- 2.d8B#
- 1...Rd4
- 2.d8Q#
- 2.d8B#
- 1...Rhe3
- 2.Qxh4#
- 2.d8Q#
- 2.d8B#
- 1...Rhf3
- 2.Qxh4#
- 2.d8Q#
- 2.d8B#
- 1...Rhg3
- 2.Qxh4#
- 2.d8Q#
- 2.d8B#
- 1...Sb2
- 2.d8Q#
- 2.d8B#
- 1...Sc3
- 2.d8Q#
- 2.d8B#
- 1...Sc5
- 2.d8Q#
- 2.d8B#
- 1...Sb6
- 2.d8Q#
- 2.d8B#
- 1...e3
- 2.d8Q#
- 2.d8B#
- 1...g3
- 2.d8Q#
- 2.d8B#
- 1...Rxd5!
- threat
- 1.exd3?
- threat
- 2.d8Q#
- 2.d8B#
- 1...Rxh2
- 2.d8Q#
- 2.d8B#
- 1...Rxd3
- 2.Qxh4#
- 1...exd3
- 2.d8Q#
- 2.d8B#
- 1...Re3
- 2.Qxh4#
- 2.d8Q#
- 2.d8B#
- 1...Rf3
- 2.Qxh4#
- 2.d8Q#
- 2.d8B#
- 1...Rg3
- 2.Qxh4#
- 2.d8Q#
- 2.d8B#
- 1...Sb2
- 2.Bxb2#
- 2.d8Q#
- 2.d8B#
- 1...Sc3
- 2.d8Q#
- 2.d8B#
- 1...Sb6
- 2.Bb2#
- 2.d8Q#
- 2.d8B#
- 1...e3
- 2.d8Q#
- 2.d8B#
- 1...g3
- 2.d8Q#
- 2.d8B#
- 1...Sc5!
- threat
- 1.Sxd3+?
- Keys
- 1.Bg8!
- threat
- 2.Sd5#
- 1...Rxh2
- 2.Sxd3#
- 1...Rd5
- 2.Sxd5#
- 1...Rd2
- 2.Sxh3#
- 1...Rde3
- 2.d8Q#
- 2.d8B#
- 1...Rdf3
- 2.d8Q#
- 2.d8B#
- 1...Rdg3
- 2.d8Q#
- 2.d8B#
- 1...Rhe3
- 2.Qxh4#
- 1...Rhf3
- 2.Qxh4#
- 1...Rhg3
- 2.Qxh4#
- 1...e3
- 2.Sxh3#
- 1...g3
- 2.Sxd3#
- threat
- 1.Bg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::P=Q
- R(b);OGATE::QAB(E),XP(f)
- Tries
- Try
- S(F);CHECK,XR(a)
- Refutation
- K(g);P-FLIGHT
- Try
- S(F);CHECK,XR(b)
- Refutation
- K(g);P-FLIGHT
- Try
- S(F);CHECK
- Vars
- R(a);P_SPINR(a)::QAB1(E)
- R(b);P_SPINR(b)::QAB1(E)
- Refutation
- K(g);P-FLIGHT,XS(F)
- Try
- R(G);
- Threat
- P=Q
- Vars
- R(b);XQ(E)::P=Q
- R(a);::P=Q
- S(c);::P=Q
- P(d);::P=Q
- P(e);::P=Q
- Refutation
- R(a);XR(G)
- Try
- P(C);XR(a)
- Threat
- P=Q
- Vars
- R(b);XQ(E)::P=Q
- R(b);OGATE,XP(C)::QAB(E),XP(f)
- P(d);XP(C)::P=Q
- S(c);::P=Q
- P(d);::P=Q
- P(e);::P=Q
- Refutation
- S(c);
- Try
- Actual
- B(K);
- Threat
- R(B)+S(F),DCHECK
- Vars
- R(b);N_GUARD,XQ(E)::R(B)+S(F),XR(a)
- R(a);::R(B)+S(F),DCHECK,XR(a)
- R(a);N_GUARD::R(B)+S(F),XR(b)
- R(a);N_GUARD::P=Q
- R(b);OGATE::QAB(E),XP(f)
- P(d);S_CUTR(a)::R(B)+S(F),XR(b)
- P(e);S_CUTR(b)::R(B)+S(F),XR(a)
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).