MESON Chess Problem Database
Problem Display
PID: 261286 (b1q5/1r2p3/R2Bn2p/6kp/3NB2p/2r1p2P/1Qp5/5RK1 w - - 0 1)
Piatesi, Antonio
Neue Zurcher Zeitung, 1983
#2
8 + 12
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qc5
- 2.Sxe6#
- 1...Qc6
- 2.Sxe6#
- 1...Qc7
- 2.Sxe6#
- 1...Qb8
- 2.Sxe6#
- 1...Qd8
- 2.Sxe6#
- 1...Qe8
- 2.Sxe6#
- 1...Qf8
- 2.Sxe6#
- 1...Qh8
- 2.Sxe6#
- 1...Ra3
- 2.Sf3#
- 1...Rcb3
- 2.Sf3#
- 1...Rd3
- 2.Sf3#
- 1...Rc4
- 2.Sf3#
- 1...Rc5
- 2.Sf3#
- 1...Rc6
- 2.Sf3#
- 1...Rcc7
- 2.Sf3#
- 1...Rxb2
- 2.Bxe7#
- 1...Rbb3
- 2.Bxe7#
- 1...Rb4
- 2.Bxe7#
- 1...Rb5
- 2.Bxe7#
- 1...Rb6
- 2.Bxe7#
- 1...Rd7
- 2.Sxe6#
- 1...Rb8
- 2.Bxe7#
- 1...Sxd4
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sc5
- 2.Bf4#
- 1...Sc7
- 2.Bf4#
- 2.Bxe7#
- 1...Sg7
- 2.Bf4#
- 1...Sd8
- 2.Bf4#
- 1...Sf8
- 2.Bf4#
- 1...c1Q
- 2.Qg2#
- 1...c1S
- 2.Qg2#
- 1...c1B
- 2.Qg2#
- 1...c1R
- 2.Qg2#
- 1...Qc5
- Tries
- 1.Bf4+?
- 1...Sxf4
- 2.Sf3#
- 1...Kf6!
- 1...Sxf4
- 1.Be5?
- threat
- 2.Sf3#
- 1...Sxd4
- 2.Bf4#
- 2.Rg6#
- 1...Qf8
- 2.Sxe6#
- 1...e2!
- threat
- 1.Ra5+?
- 1...Qc5
- 2.Sxe6#
- 1...Rc5
- 2.Sf3#
- 1...Rb5
- 2.Bxe7#
- 1...Sc5!
- 1...Qc5
- 1.Qxc3?
- threat
- 2.Sf3#
- 1...Qxc3
- 2.Sxe6#
- 1...Sxd4
- 2.Bf4#
- 2.Qxe3#
- 1...Qf8
- 2.Sxe6#
- 1...exd6!
- threat
- 1.Qb5+?
- 1...Qc5
- 2.Sxe6#
- 1...Rxb5
- 2.Bxe7#
- 1...Sc5
- 2.Bf4#
- 1...Rc5!
- 1...Qc5
- 1.Bf4+?
- Keys
- 1.Bh7!
- threat
- 2.Rf5#
- 1...Sxd4
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...c1Q
- 2.Qg2#
- 1...c1R
- 2.Qg2#
- 1...Qc5
- 2.Sxe6#
- 1...Qf8
- 2.Sxe6#
- 1...Rc5
- 2.Sf3#
- 1...Rb5
- 2.Bxe7#
- 1...Sc5
- 2.Bf4#
- 1...Sc7
- 2.Bf4#
- 2.Bxe7#
- 1...Sg7
- 2.Bf4#
- 1...Sd8
- 2.Bf4#
- 1...Sf8
- 2.Bf4#
- threat
- 1.Bh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 20
- Sets
- Q(l);N_GUARD::S(E),XS(g)
- R(b);::S(E)
- R(i);N_GUARD,XQ(C)::B(H),XP(j)
- R(i);N_GUARD::B(H),XP(j)
- R(i);S_CUTQ(l)::S(E),XS(g)
- S(g);N_GUARD,XS(E)::B(H)
- S(g);N_GUARD::B(H),XS(g)
- S(g);N_GUARD::B(H)
- P(a);OGATE,P_PINR(A)::QAR(C)
- P(a);OGATE::QAR(C)
- Tries
- Try
- B(H);CHECK
- Vars
- S(g);SBLOCK,XB(H)::S(E)
- Refutation
- K(e);P_SPINS(g),S_FLIGHT
- Try
- B(H);
- Threat
- S(E)
- Vars
- Q(l);N_GUARD::S(E),XS(g)
- Refutation
- P(c);
- Try
- R(G);CHECK
- Vars
- Q(l);P_SPINQ(l)::S(E),XS(g)
- R(b);P_SPINR(b)::S(E)
- R(i);P_SPINR(i)::B(H),XP(j)
- Refutation
- S(g);P_SPINS(g)
- Try
- Q(C);XR(b)
- Threat
- S(E)
- Vars
- Q(l);N_GUARD,XQ(C)::S(E),XS(g)
- Q(l);N_GUARD::S(E),XS(g)
- Refutation
- P(j);XB(H)
- Try
- Q(C);CHECK
- Vars
- Q(l);P_SPINQ(l)::S(E),XS(g)
- R(i);XQ(C)::B(H),XP(j)
- S(g);P_SPINS(g)::B(H)
- Refutation
- R(b);P_SPINR(b)
- Try
- Actual
- B(F);
- Threat
- R1(A)
- Vars
- S(g);N_GUARD,XS(E)::B(H)
- S(g);N_GUARD::B(H),XS(g)
- P(a);OGATE,P_PINR(A)::QAR(C)
- Q(l);N_GUARD::S(E),XS(g)
- R(b);::S(E)
- R(i);N_GUARD::B(H),XP(j)
- S(g);N_GUARD::B(H)
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).