MESON Chess Problem Database
Problem Display
PID: 265069 (1b2R3/r7/3PN2R/2B1k2K/2P1p1Pp/4n2r/2bP1P2/4Q3 w - - 0 1)
Brogi, Giuseppe
L'Italia Scacchistica, 1953
#2
11 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxa1#
- 1...Rc7
- 2.Qa1#
- 1...Rd7
- 2.Qa1#
- 1...Re7
- 2.Qa1#
- 1...Rf7
- 2.Qa1#
- 1...Rg7
- 2.Qa1#
- 1...Rh7
- 2.Qa1#
- 1...Ba4
- 2.Qa1#
- 1...Bxd6
- 2.Bd4#
- 1...Sd1
- 2.d4#
- 2.f4#
- 1...Sf1
- 2.d4#
- 2.f4#
- 1...Sg2
- 2.d4#
- 1...Sd5
- 2.d4#
- 1...Sf5
- 2.f4#
- 1...Ra1
- Tries
- 1.Qxe3?
- threat
- 2.Sc7#
- 2.Qd4#
- 2.Qf4#
- 2.Qg5#
- 2.d4#
- 2.f4#
- 1...Bxd6
- 2.Bd4#
- 2.Qd4#
- 2.Qf4#
- 2.Qg5#
- 2.d4#
- 2.f4#
- 1...Re7
- 2.Qd4#
- 2.Qf4#
- 2.Qg5#
- 2.d4#
- 2.f4#
- 1...Rf3
- 2.Sc7#
- 2.Qd4#
- 2.d4#
- 1...Rc7
- 2.Sxc7#
- 2.Qd4#
- 2.Qf4#
- 2.Qg5#
- 2.d4#
- 2.f4#
- 1...Rd7
- 2.Qd4#
- 2.Qf4#
- 2.Qg5#
- 2.d4#
- 2.f4#
- 1...Rf7
- 2.Qd4#
- 2.d4#
- 1...Rg7
- 2.Sxg7#
- 2.Qd4#
- 2.Qf4#
- 2.d4#
- 2.f4#
- 1...Rh7
- 2.Sg7#
- 2.Qd4#
- 2.Qf4#
- 2.Qg5#
- 2.d4#
- 2.f4#
- 1...Bd3
- 2.Sc7#
- 2.Qd4#
- 2.Qf4#
- 2.Qg5#
- 2.f4#
- 1...Ba4
- 2.Qd4#
- 2.Qf4#
- 2.Qg5#
- 2.d4#
- 2.f4#
- 1...Bc7
- 2.Sd4#
- 2.Sf4#
- 2.Sg5#
- 2.Sxc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Qd4#
- 2.Qf4#
- 2.Qg5#
- 2.d4#
- 2.f4#
- 1...Rxe3!
- threat
- 1.dxe3?
- threat
- 2.Sc7#
- 2.Qc3#
- 1...Bxd6
- 2.Bd4#
- 2.Qc3#
- 1...Re7
- 2.Qc3#
- 2.Qa1#
- 1...Ra3
- 2.Sd4#
- 2.Sf4#
- 2.Sg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rc7
- 2.Sxc7#
- 2.Qc3#
- 2.Qa1#
- 1...Rd7
- 2.Qc3#
- 2.Qa1#
- 1...Rf7
- 2.Qc3#
- 2.Qa1#
- 1...Rg7
- 2.Sxg7#
- 2.Qc3#
- 2.Qa1#
- 1...Rh7
- 2.Sg7#
- 2.Qc3#
- 2.Qa1#
- 1...Ba4
- 2.Qc3#
- 2.Qa1#
- 1...Bc7
- 2.Sd4#
- 2.Sf4#
- 2.Sg5#
- 2.Sxc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Qc3#
- 1...Rxe3!
- threat
- 1.d3?
- threat
- 2.Qc3#
- 2.d4#
- 1...Bxd3
- 2.Qc3#
- 1...Sxc4
- 2.Qxe4#
- 1...Sxg4
- 2.Qxe4#
- 1...Ra3
- 2.d4#
- 1...Sd1
- 2.Qxe4#
- 2.f4#
- 2.d4#
- 1...Sd5
- 2.Qxe4#
- 2.d4#
- 1...Sf5
- 2.Qxe4#
- 2.f4#
- 1...exd3!
- threat
- 1.fxe3?
- threat
- 2.Sc7#
- 1...Bxd6
- 2.Bd4#
- 1...Re7
- 2.Qa1#
- 1...Rc7
- 2.Sxc7#
- 2.Qa1#
- 1...Rd7
- 2.Qa1#
- 1...Rf7
- 2.Qa1#
- 1...Rg7
- 2.Sxg7#
- 2.Qa1#
- 1...Rh7
- 2.Sg7#
- 2.Qa1#
- 1...Ba4
- 2.Qa1#
- 1...Bc7
- 2.Sd4#
- 2.Sf4#
- 2.Sg5#
- 2.Sxc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rxe3!
- threat
- 1.Qxe3?
- Keys
- 1.Kg5!
- threat
- 2.Sc7#
- 1...Rg7+
- 2.Sxg7#
- 1...Bxd6
- 2.Bd4#
- 1...Rc7
- 2.Sxc7#
- 2.Qa1#
- 1...Rd7
- 2.Qa1#
- 1...Re7
- 2.Qa1#
- 1...Rf7
- 2.Qa1#
- 1...Rh7
- 2.Sg7#
- 2.Qa1#
- 1...Ba4
- 2.Qa1#
- 1...Bc7
- 2.Sd4#
- 2.Sf4#
- 2.Sxc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Sd5
- 2.d4#
- 1...Sf5
- 2.f4#
- threat
- 1.Kg5!
This is a version
Version by Udo Degener, Albrecht Collection.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(g);N_GUARD::QAB(A),XR(g)
- R(g);N_GUARD::QAB(A)
- R(g);N_GUARD,P_PINR(J)::QAB(A)
- B(a);S_CUTR(g)::QAB(A)
- B(h);SBLOCK,XP(H)::B(F)
- S(b);P_SPINP(d)::P(B)
- S(b);P_SPINP(d)::P(C)
- Tries
- Try
- Q(A);P_PINP(d),XS(b)
- Threat
- DUALS(6)
- Refutation
- R(c);N_SPINP(d),XQ(A)
- Try
- P(B);XS(b)
- Threat
- DUALS(2)
- Refutation
- R(c);XP(B)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- B(a);XP(B)::QAB(A)
- S(b);OGATE,P_SPINP(d),XP(D)::QAR1(A),XP(d)
- S(b);OGATE,P_SPINP(d),XP(E)::QAR1(A),XP(d)
- R(g);::P(B)
- Refutation
- P(d);P_SPINS(b),XP(B)
- Try
- P(C);XS(b)
- Threat
- R(K)+S(I)
- Vars
- B(h);SBLOCK,XP(H)::B(F)
- R(g);N_GUARD::QAB(A)
- B(a);S_CUTR(g)::QAB(A)
- Refutation
- R(c);XP(C)
- Try
- Actual
- K(G);P-FLIGHT
- Threat
- R(K)+S(I)
- Vars
- R(g);CHECK,N_GUARD::R(K)+S(I),XR(g)
- B(h);SBLOCK,XP(H)::B(F)
- R(g);N_GUARD::QAB(A)
- B(a);S_CUTR(g)::QAB(A)
- S(b);P_SPINP(d)::P(B)
- S(b);P_SPINP(d)::P(C)
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).