MESON Chess Problem Database
Problem Display
PID: 118229 (3rQ1nK/2P4N/p6B/1N1PpP2/4k1P1/3R2Pn/1pP1p3/4q3 w - - 0 1)
Piatesi, Antonio
Sinfonie Scacchistiche, 1970
#2
12 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf2
- 2.Sc3#
- 1...Qc3
- 2.Sxc3#
- 1...Qxg3
- 2.Sc3#
- 1...Qa1
- 2.Sc3#
- 1...Qb1
- 2.Sc3#
- 1...Qc1
- 2.Sc3#
- 1...Qd1
- 2.Sc3#
- 1...Qf1
- 2.Sc3#
- 1...Qg1
- 2.Sc3#
- 1...Qh1
- 2.Sc3#
- 1...Rxd5
- 2.Re3#
- 1...Rd6
- 2.Sxd6#
- 1...Ra8
- 2.Sd6#
- 1...Rb8
- 2.Sd6#
- 1...Rc8
- 2.Sd6#
- 1...Rxe8
- 2.Sd6#
- 1...Sg1
- 2.Sg5#
- 1...Sf2
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sxf6#
- 1...Sxh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- 1...Qf2
- Tries
- 1.Kxg8?
- threat
- 2.Sf6#
- 1...Rd6
- 2.Sxd6#
- 1...Rxe8+!
- threat
- 1.Qxd8?
- threat
- 2.Sd6#
- 2.Re3#
- 1...Qxg3
- 2.Sc3#
- 2.Sd6#
- 1...Sxh6
- 2.Sd6#
- 2.Sf6#
- 1...Qd2
- 2.Sd6#
- 1...Qf2
- 2.Sc3#
- 2.Sd6#
- 1...Qc3
- 2.Sxc3#
- 2.Sd6#
- 1...Qb4
- 2.Re3#
- 1...Qc1
- 2.Sc3#
- 2.Sd6#
- 1...Qg1
- 2.Sc3#
- 2.Sd6#
- 1...Sf4
- 2.Sd6#
- 2.Sg5#
- 1...Sg5
- 2.Sd6#
- 2.Sxg5#
- 1...axb5!
- threat
- 1.Qxg8?
- threat
- 2.Sf6#
- 2.Re3#
- 1...Qxg3
- 2.Sc3#
- 2.Sf6#
- 1...axb5
- 2.Sf6#
- 1...Qd2
- 2.Sf6#
- 1...Qf2
- 2.Sc3#
- 2.Sf6#
- 1...Qc3
- 2.Sxc3#
- 2.Sf6#
- 1...Qc1
- 2.Sc3#
- 2.Sf6#
- 1...Qg1
- 2.Sc3#
- 2.Sf6#
- 1...Rd6
- 2.Sxd6#
- 2.Re3#
- 1...Rf8
- 2.Sd6#
- 2.Re3#
- 1...Sf4
- 2.Sg5#
- 2.Sf6#
- 1...Sg5
- 2.Sxg5#
- 2.Sf6#
- 1...Rxg8+!
- threat
- 1.d6?
- threat
- 2.Qc6#
- 1...Rxd6
- 2.Sxd6#
- 1...Sxh6
- 2.Sf6#
- 1...Qc3
- 2.Sxc3#
- 1...Rd7
- 2.Qa8#
- 1...Sf4
- 2.Sg5#
- 1...Sf6
- 2.Sxf6#
- 1...Se7
- 2.Sf6#
- 1...Rxe8!
- threat
- 1.cxd8Q?
- threat
- 2.Sd6#
- 2.Re3#
- 1...Qxg3
- 2.Sc3#
- 2.Sd6#
- 1...Sxh6
- 2.Sd6#
- 2.Sf6#
- 1...Qd2
- 2.Sd6#
- 1...Qf2
- 2.Sc3#
- 2.Sd6#
- 1...Qc3
- 2.Sxc3#
- 2.Sd6#
- 1...Qb4
- 2.Re3#
- 1...Qc1
- 2.Sc3#
- 2.Sd6#
- 1...Qg1
- 2.Sc3#
- 2.Sd6#
- 1...Sf4
- 2.Sd6#
- 2.Sg5#
- 1...Sg5
- 2.Sd6#
- 2.Sxg5#
- 1...axb5!
- threat
- 1.cxd8R?
- threat
- 2.Sd6#
- 2.Re3#
- 1...Qxg3
- 2.Sc3#
- 2.Sd6#
- 1...Sxh6
- 2.Sd6#
- 2.Sf6#
- 1...Qd2
- 2.Sd6#
- 1...Qf2
- 2.Sc3#
- 2.Sd6#
- 1...Qc3
- 2.Sxc3#
- 2.Sd6#
- 1...Qb4
- 2.Re3#
- 1...Qc1
- 2.Sc3#
- 2.Sd6#
- 1...Qg1
- 2.Sc3#
- 2.Sd6#
- 1...Sf4
- 2.Sd6#
- 2.Sg5#
- 1...Sg5
- 2.Sd6#
- 2.Sxg5#
- 1...axb5!
- threat
- 1.Kxg8?
- Keys
- 1.Bf4!
- threat
- 2.Qxe5#
- 1...Rxd5
- 2.Re3#
- 1...Rxe8
- 2.Sd6#
- 1...Sxf4
- 2.Sg5#
- 1...Qc3
- 2.Sxc3#
- 1...Sf6
- 2.Sxf6#
- 1...Sh6
- 2.Sf6#
- 1...Se7
- 2.Sf6#
- threat
- 1.Bf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 16
- Sets
- Q(a);N_GUARD::S(E)
- Q(a);N_GUARD::S(E),XQ(a)
- Q(a);N_GUARD,XP(C)::S(E)
- R(h);SBLOCK,XP(F)::R1(B)
- R(h);N_GUARD::S(E),XR(h)
- R(h);N_GUARD::S(E)
- R(h);N_GUARD,N_SPINP(f),XQ(K)::S(E)
- S(d);N_GUARD::S(J)
- S(d);N_GUARD::S(J),XS(d)
- S(i);N_GUARD,P_PINQ(K)::S(J),XS(i)
- S(i);N_GUARD,P_PINQ(K),XB(H)::S(J)
- S(i);N_GUARD,N_SPINP(f),P_PINQ(K)::S(J)
- Tries
- Try
- K(L);P-FLIGHT,P_SPINQ(K),XS(i)
- Threat
- S(J)
- Vars
- R(h);N_GUARD,N_PINQ(K)::S(E),XR(h)
- Refutation
- R(h);CHECK,N_SPINP(f),XQ(K)
- Try
- Q(K);N_PINP(f),XR(h)
- Threat
- DUALS(2)
- Vars
- Q(a);::S(E)
- Q(a);::R1(B)
- Refutation
- P(g);XS(E)
- Try
- Q(K);N_PINP(f),P_SPINQ(K),XS(i)
- Threat
- DUALS(2)
- Vars
- P(g);XS(E)::S(J)
- Q(a);::S(J)
- Refutation
- R(h);CHECK,XQ(K)
- Try
- P(F);
- Threat
- QAB(K)
- Vars
- R(h);XP(F)::S(E),XR(h)
- S(i);N_GUARD,P_PINQ(K),XB(H)::S(J)
- Q(a);N_GUARD::S(E),XQ(a)
- R(h);OGATE::QAB(K)
- S(d);N_GUARD::S(J)
- S(i);N_GUARD,P_PINQ(K)::S(J),XS(i)
- S(i);N_GUARD,N_SPINP(f),P_PINQ(K)::S(J)
- Refutation
- R(h);N_SPINP(f),XQ(K)
- Try
- P(I);XR(h)
- Threat
- DUALS(2)
- Vars
- Q(a);::S(E)
- Q(a);::R1(B)
- Refutation
- P(g);XS(E)
- Try
- P(I);XR(h)
- Threat
- DUALS(2)
- Vars
- Q(a);::S(E)
- Q(a);::R1(B)
- Refutation
- P(g);XS(E)
- Try
- Actual
- B(H);
- Threat
- QAR1(K),XP(f)
- Vars
- R(h);SBLOCK,XP(F)::R1(B)
- R(h);N_GUARD,N_SPINP(f),XQ(K)::S(E)
- S(d);N_GUARD,XB(H)::S(J)
- Q(a);N_GUARD::S(E),XQ(a)
- S(i);N_GUARD,P_PINQ(K)::S(J),XS(i)
- S(i);N_GUARD,P_PINQ(K)::S(J)
- S(i);N_GUARD,N_SPINP(f),P_PINQ(K)::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).