MESON Chess Problem Database
Problem Display
PID: 261195 (3Q4/4P1P1/1p5B/1Bnpn3/1P1k4/2NNp2r/bP2K2p/3R4 w - - 0 1)
Piatesi, Antonio
Neue Zurcher Zeitung, 1978
#2
11 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Bxe3#
- 1...Rh5
- 2.Bxe3#
- 1...Bb1
- 2.Qxd5#
- 1...Sb3
- 2.Qxd5#
- 1...Scxd3
- 2.Qxb6#
- 1...Sf3
- 2.Bxe3#
- 1...Sc4
- 2.Qxd5#
- 1...Rh4
- Tries
- 1.Sc1+?
- 1...Scd3
- 2.Qxb6#
- 1...Sed3!
- 1...Scd3
- 1.Se1+?
- 1...Scd3
- 2.Sc2#
- 2.Qxb6#
- 1...Sed3!
- 1...Scd3
- 1.Sf2+?
- 1...Scd3
- 2.Qxb6#
- 1...Sed3!
- 1...Scd3
- 1.Sf4+?
- 1...Scd3
- 2.Se6#
- 2.Qxb6#
- 1...Sed3!
- 1...Scd3
- 1.Sxe5+?
- 1...Sd3
- 2.Sc6#
- 1...Kxe5!
- 1...Sd3
- 1.Bf4?
- threat
- 2.Bxe5#
- 1...Scxd3
- 2.Qxb6#
- 1...Rh5
- 2.Bxe3#
- 1...Scd7
- 2.Sxe5#
- 1...Sf3
- 2.Bxe3#
- 1...Sc4
- 2.Qxd5#
- 1...Sg4
- 2.Sxc5#
- 1...Sc6
- 2.Sxc5#
- 1...Sg6
- 2.Sxc5#
- 1...Sed7
- 2.Sxc5#
- 1...Sf7
- 2.Sxc5#
- 1...Sexd3!
- threat
- 1.Qxb6?
- threat
- 2.Qxc5#
- 1...Sxd3
- 2.Qf6#
- 1...Sd7!
- threat
- 1.e8Q?
- threat
- 2.Qxe5#
- 1...Scxd3
- 2.Qxb6#
- 1...Sexd3
- 2.Qf6#
- 1...Rh5
- 2.Bxe3#
- 1...Scd7
- 2.Sxe5#
- 1...Sf3
- 2.Bxe3#
- 2.Qxe3#
- 1...Sc4
- 2.Qxd5#
- 1...Sg4
- 2.Sxc5#
- 1...Sc6
- 2.Sxc5#
- 1...Sg6
- 2.Sxc5#
- 1...Sed7
- 2.Sxc5#
- 1...Sf7
- 2.Sxc5#
- 1...Se6!
- threat
- 1.Sc1+?
- Keys
- 1.Qd6!
- threat
- 2.Qxe5#
- 1...Scxd3
- 2.Qxb6#
- 1...Sexd3
- 2.Qf6#
- 1...Rh5
- 2.Bxe3#
- 1...Scd7
- 2.Sxe5#
- 1...Sf3
- 2.Bxe3#
- 1...Sc4
- 2.Qxd5#
- 1...Sg4
- 2.Sxc5#
- 1...Sc6
- 2.Sxc5#
- 1...Sg6
- 2.Sxc5#
- 1...Sed7
- 2.Sxc5#
- 1...Sf7
- 2.Sxc5#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- R(d);N_GUARD::B(H),XP(c)
- B(a);N_GUARD::QAR1(K),XP(g)
- S(f);S_CUTB(a)::QAR1(K),XP(g)
- S(f);OGATEB,P_SPINS(f),XS(E)::QAB(K),XP(i)
- S(h);S_CUTR(d)::B(H),XP(c)
- S(h);S_CUTB(a)::QAR1(K),XP(g)
- Tries
- Try
- S(E);CHECK
- Vars
- S(f);P_SPINS(f),S_CUTS(h)::QAB(K),XP(i)
- Refutation
- S(h);P_SPINS(h)
- Try
- S(E);CHECK
- Refutation
- S(h);P_SPINS(h)
- Try
- S(E);CHECK
- Vars
- S(f);P_SPINS(f),S_CUTS(h)::QAB(K),XP(i)
- Refutation
- S(h);P_SPINS(h)
- Try
- S(E);CHECK
- Refutation
- S(h);P_SPINS(h)
- Try
- S(E);CHECK,XS(h)
- Vars
- S(f);P_SPINS(f)::S(E)
- Refutation
- K(e);N_SPINP(g),S_FLIGHT,XS(E)
- Try
- B(H);
- Threat
- B(H),XS(h)
- Vars
- S(f);OGATEB,P_SPINS(f),XS(E)::QAB(K),XP(i)
- R(d);N_GUARD::B(H),XP(c)
- S(f);N_GUARD,N_SPINP(g)::R(A)+S(E),XS(h)
- S(h);S_CUTR(d)::B(H),XP(c)
- S(h);S_CUTB(a)::QAR1(K),XP(g)
- S(h);N_GUARD::R(A)+S(E),XS(f)
- S(h);N_GUARD,N_SPINP(g)::R(A)+S(E),XS(f)
- Refutation
- S(h);P_SPINS(h),XS(E)
- Try
- Q(K);N_PINP(g),P_PINS(f),XP(i)
- Threat
- QAB1(K),XS(f)
- Vars
- S(h);N_SPINS(f),OGATEB,P_SPINS(h),XS(E)::QAB(K)
- Refutation
- S(h);
- Try
- P(I);
- Threat
- QAB1(I),XS(h)
- Vars
- S(f);OGATEB,P_SPINS(f),XS(E)::QAB(K),XP(i)
- S(h);OGATEB,P_SPINS(h),XS(E)::QAB(K)
- R(d);N_GUARD::B(H),XP(c)
- S(f);N_GUARD,N_SPINP(g)::R(A)+S(E),XS(h)
- S(h);S_CUTB(a)::QAR1(K),XP(g)
- S(h);N_GUARD::R(A)+S(E),XS(f)
- S(h);N_GUARD,N_SPINP(g)::R(A)+S(E),XS(f)
- Refutation
- S(f);
- Try
- Actual
- Q(K);
- Threat
- QAB1(K),XS(h)
- Vars
- S(f);OGATEB,P_SPINS(f),XS(E)::QAB(K),XP(i)
- S(h);OGATEB,P_SPINS(h),XS(E)::QAB(K)
- R(d);N_GUARD::B(H),XP(c)
- S(f);N_GUARD::R(A)+S(E),XS(h)
- S(h);S_CUTR(d)::B(H),XP(c)
- S(h);S_CUTB(a)::QAR1(K),XP(g)
- S(h);N_GUARD::R(A)+S(E),XS(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).