MESON Chess Problem Database
Problem Display
PID: 67212 (N3n3/4P2p/R1p1P1pr/1p1k2Kp/nP3B1P/1P2P1NB/4P3/8 w - - 0 1)
Piatesi, Antonio
1st Prize, SEPA, 1957
#2
13 + 9
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Sb6#
- 1...Sc3
- 2.Sb6#
- 1...Sc5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...c5
- 2.Bg2#
- 1...Sb2
- Tries
- 1.Kxh6?
- 1...Sb2
- 2.Sb6#
- 1...Sc3
- 2.Sb6#
- 1...Sc5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...c5
- 2.Bg2#
- 1...g5!
- 1...Sb2
- 1.Se4?
- 1...Kxe4
- 2.Bg2#
- 1...Sb2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Sc5
- 2.Sc3#
- 1...Sb6
- 2.Sc3#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...c5!
- 1...Kxe4
- 1.Bg4?
- 1...Sb2
- 2.Sb6#
- 1...Sc3
- 2.Sb6#
- 1...Sc5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...c5
- 2.Bf3#
- 1...hxg4!
- 1...Sb2
- 1.Bf5?
- 1...Sb2
- 2.Sb6#
- 1...Sc3
- 2.Sb6#
- 1...Sc5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...c5
- 2.Be4#
- 1...gxf5!
- 1...Sb2
- 1.Ra5?
- 1...Sb2
- 2.Sb6#
- 1...Sc3
- 2.Sb6#
- 1...Sc5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...c5!
- 1...Sb2
- 1.Ra7?
- 1...Sb2
- 2.Sb6#
- 1...Sc3
- 2.Sb6#
- 1...Sc5
- 2.Sb6#
- 1...Sb6
- 2.Sxb6#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 2.Rd7#
- 1...c5!
- 1...Sb2
- 1.Kxh6?
- Keys
- 1.Rxc6!
- threat
- 2.Bg2#
- 1...Kxc6
- 2.Bg2#
- 1...Sc3
- 2.Rc5#
- 1...Sc5
- 2.Rxc5#
- 1...Sd6
- 2.Rxd6#
- 1...Sf6
- 2.Rd6#
- threat
- 1.Rxc6!
There are these versions: 18682
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- S(a);N_GUARD::S(M)
- S(a);N_GUARD::S(M),XS(a)
- S(i);N_GUARD::S(M)
- S(i);N_GUARD::S(M),XS(i)
- P(e);::B(E)
- Tries
- Try
- K(I);S_FLIGHT,XR(g)
- Vars
- S(a);N_GUARD::S(M)
- S(a);N_GUARD::S(M),XS(a)
- S(i);N_GUARD::S(M)
- S(i);N_GUARD::S(M),XS(i)
- P(e);::B(E)
- Refutation
- P(f);
- Try
- S(D);
- Vars
- K(c);OGATEB,S_FLIGHT,XS(D)::B(E)
- S(a);N_GUARD::S(D)
- S(a);N_GUARD::S(D),XS(a)
- S(i);N_GUARD::S(D)
- S(i);N_GUARD::S(D),XS(i)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- S(a);N_GUARD::S(M)
- S(a);N_GUARD::S(M),XS(a)
- S(i);N_GUARD::S(M)
- S(i);N_GUARD::S(M),XS(i)
- P(e);::B(E)
- Refutation
- P(d);XB(E)
- Try
- B(E);
- Vars
- S(a);N_GUARD::S(M)
- S(a);N_GUARD::S(M),XS(a)
- S(i);N_GUARD::S(M)
- S(i);N_GUARD::S(M),XS(i)
- P(e);::B(E)
- Refutation
- P(f);XB(E)
- Try
- R(J);P_PINP(b)
- Vars
- S(a);N_GUARD::S(M)
- S(a);N_GUARD,N_SPINP(b)::S(M)
- S(a);N_GUARD::S(M),XS(a)
- S(i);N_GUARD::S(M)
- S(i);N_GUARD::S(M),XS(i)
- Refutation
- P(e);N_SPINP(b)
- Try
- R(J);
- Vars
- S(a);N_GUARD::S(M)
- S(a);N_GUARD::S(M),XS(a)
- S(i);N_GUARD::S(M)
- S(i);N_GUARD::S(M),XS(i)
- Refutation
- P(e);
- Try
- Actual
- R(J);XP(e)
- Threat
- B(E)
- Vars
- K(c);S_FLIGHT,XR(J)::B(E)
- S(a);N_GUARD::R1(J)
- S(a);N_GUARD::R1(J),XS(a)
- S(i);N_GUARD::R1(J),XS(i)
- S(i);N_GUARD::R1(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).