MESON Chess Problem Database
Problem Display
PID: 264921 (2b2nB1/r1PP4/1NRqnk1P/r1Q4P/3P1N2/2B3K1/8/b4R2 w - - 0 1)
Bottacchi, Antonio
3rd Prize, Journal de Geneve, 1935
#2
13 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxf4+
- 2.Rxf4#
- 1...Qe7
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxe6#
- 2.Sg6#
- 1...Qxd4
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxe6#
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Qxd7
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxe6#
- 2.Sg6#
- 1...Sxd4
- 2.d8Q#
- 2.d8B#
- 1...Sxf4
- 2.d8Q#
- 2.d8B#
- 1...Sg5
- 2.d8Q#
- 2.d8B#
- 1...Sxc7
- 2.d8Q#
- 2.d8B#
- 1...Sg7
- 2.d8Q#
- 2.d8B#
- 1...Sd8
- 2.cxd8Q#
- 2.cxd8B#
- 1...Qxf4+
- Tries
- 1.Kh4?
- threat
- 2.Sfd5#
- 1...Qxf4+
- 2.Rxf4#
- 1...Ke7
- 2.Sfd5#
- 1...Qxd4
- 2.d8Q#
- 2.d8B#
- 1...Sxd4
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Sxf4
- 2.d8Q#
- 2.d8B#
- 1...Qd5
- 2.Sfxd5#
- 2.Qxf8#
- 1...Sg6+!
- threat
- 1.Rxd6?
- threat
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Ke7
- 2.Sfd5#
- 2.Sbd5#
- 2.Rxe6#
- 1...Rxc7
- 2.Sg6#
- 1...Bxc3
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Bxd7
- 2.Sg6#
- 1...Sxd7
- 2.Sg6#
- 2.Rxe6#
- 1...Ra2
- 2.d8Q#
- 2.d8B#
- 1...Ra3
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Ra4
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Rb5
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...R5a6
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...R7a6
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Rb7
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Ra8
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Bb2
- 2.Sg6#
- 2.d8Q#
- 2.d8B#
- 1...Ba6
- 2.d8Q#
- 2.d8B#
- 1...Bb7
- 2.d8Q#
- 2.d8B#
- 1...Sg6
- 2.Sxg6#
- 2.Rxe6#
- 1...Sh7
- 2.Sg6#
- 2.Rxe6#
- 2.d8Q#
- 2.d8B#
- 1...Rxc5!
- threat
- 1.d8Q+?
- 1...Qe7
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxe6#
- 2.Sg6#
- 2.Qdxe7#
- 1...Qxd8
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxe6#
- 2.Sg6#
- 1...Sxd8!
- 1...Qe7
- 1.d8B+?
- 1...Qe7
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxe6#
- 2.Sg6#
- 2.Bxe7#
- 1...Qxd8
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxe6#
- 2.Sg6#
- 1...Sxd8!
- 1...Qe7
- 1.Kh4?
- Keys
- 1.Kg4!
- threat
- 2.Sfd5#
- 1...Qxf4+
- 2.Rxf4#
- 1...Ke7
- 2.Sfd5#
- 1...Qxd4
- 2.d8Q#
- 2.d8B#
- 1...Sxd4
- 2.Sg6#
- 1...Sxf4
- 2.Sd5#
- 1...Qd5
- 2.Sfxd5#
- 2.Sbxd5#
- 2.Qxf8#
- threat
- 1.Kg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(c);CHECK,OGATE,P_SPINQ(c),P_SPINS(d),XS(E)::R(A),XQ(c)
- S(d);N_GUARD,P_SPINQ(c),P_SPINS(d),XP(D)::P=Q
- S(d);N_GUARD,P_SPINQ(c),P_SPINS(d),XS(E)::P=Q
- S(d);N_GUARD,P_SPINQ(c)::P=Q
- S(d);N_GUARD,P_SPINQ(c),XP(K)::P=Q
- S(d);OGATE,P_SPINQ(c)::PXS(d)=Q
- Tries
- Try
- K(C);N_SPINS(E),S_FLIGHT
- Threat
- R(A)+S(E),DCHECK
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),P_SPINS(d),XS(E)::R(A),XQ(c)
- K(e);P_SPINQ(c),S_FLIGHT::S(E)
- Q(c);N_GUARD,P_PINS(E),P_SPINQ(c),P_SPINS(d),XP(D)::P=Q
- S(d);N_GUARD,P_SPINQ(c),P_SPINS(d),XS(E)::P=Q
- Refutation
- S(h);CHECK
- Try
- R(I);N_SPINS(E),P_PINS(d),XQ(c)
- Threat
- DUALS(3)
- Vars
- R(f);XP(K)::R(A)+S(E)
- B(g);XP(L)::R(A)+S(E)
- R(b);::P=Q
- B(g);::P=Q
- Refutation
- R(b);XQ(F)
- Try
- P(L);CHECK
- Refutation
- S(d);P_SPINQ(c),XQ(L)
- Try
- P(L);CHECK
- Refutation
- S(d);P_SPINQ(c),XB(L)
- Try
- Actual
- K(C);N_SPINS(E),P-FLIGHT
- Threat
- R(A)+S(E),DCHECK
- Vars
- Q(c);CHECK,OGATE,P_SPINQ(c),P_SPINS(d),XS(E)::R(A),XQ(c)
- K(e);P_SPINQ(c),S_FLIGHT::S(E)
- Q(c);N_GUARD,P_PINS(E),P_SPINQ(c),P_SPINS(d),XP(D)::P=Q
- S(d);N_GUARD,P_PINP(L),P_SPINQ(c),P_SPINS(d),XP(D)::R(A)+S(E)
- S(d);P_PINP(L),P_SPINQ(c),P_SPINS(d),XS(E)::S(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).