MESON Chess Problem Database
Problem Display
PID: 265059 (3KQ3/3N1P2/2p2p1q/2Bk1p2/R7/3r4/bPPn4/2nR1B2 w - - 0 1)
Cacciari, Europe
L'Italia Scacchistica, 1932
#2
10 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Rd4#
- 1...Rb3
- 2.Bc4#
- 2.Rd4#
- 2.c4#
- 1...Rc3
- 2.Rd4#
- 1...Re3
- 2.Rd4#
- 1...Rf3
- 2.Rd4#
- 1...Rg3
- 2.Rd4#
- 1...Rh3
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Sb1
- 2.Bg2#
- 1...Sb3
- 2.Bg2#
- 2.c4#
- 1...Sc4
- 2.Bg2#
- 1...Ra3
- Tries
- 1.Bg2+?
- 1...Rf3
- 2.Bxf3#
- 2.Rd4#
- 1...Sf3
- 2.Bxf3#
- 1...Se4!
- 1...Rf3
- 1.b4?
- threat
- 2.Sb6#
- 1...Sc4
- 2.Bg2#
- 1...Kc4!
- threat
- 1.c4+?
- 1...Sxc4
- 2.Bg2#
- 1...Bxc4!
- 1...Sxc4
- 1.f8Q?
- threat
- 2.Sb6#
- 2.Qef7#
- 2.Qd6#
- 2.Qff7#
- 2.Qg8#
- 1...Qe3
- 2.Sb6#
- 2.Sxf6#
- 2.Qd6#
- 1...Qf4
- 2.Sb6#
- 2.Sxf6#
- 2.Qef7#
- 2.Qff7#
- 2.Qg8#
- 1...Qg5
- 2.Sb6#
- 2.Qef7#
- 2.Qd6#
- 2.Qff7#
- 1...Qg7
- 2.Sb6#
- 2.Qd6#
- 1...Qh2
- 2.Sb6#
- 2.Sxf6#
- 2.Qef7#
- 2.Qff7#
- 2.Qg8#
- 1...Qh5
- 2.Sb6#
- 2.Sxf6#
- 2.Qd6#
- 1...Qg6
- 2.Sb6#
- 2.Qd6#
- 1...Qh7
- 2.Sb6#
- 2.Sxf6#
- 2.Qd6#
- 1...Qh8
- 2.Sb6#
- 2.Qef7#
- 2.Qd6#
- 2.Qff7#
- 1...Rb3
- 2.Bc4#
- 2.Rd4#
- 2.Qef7#
- 2.Qd6#
- 2.Qff7#
- 2.Qg8#
- 2.c4#
- 1...Re3
- 2.Sb6#
- 2.Rd4#
- 2.Qd6#
- 1...Rg3
- 2.Sb6#
- 2.Rd4#
- 2.Qef7#
- 2.Qd6#
- 2.Qff7#
- 1...Rd4
- 2.Sb6#
- 2.Rxd4#
- 2.Qd6#
- 2.Qff7#
- 2.Qg8#
- 1...Bc4
- 2.Sb6#
- 2.Qd6#
- 2.Qff7#
- 2.Qg8#
- 1...Sc4
- 2.Bg2#
- 2.Qff7#
- 2.Qg8#
- 1...Se4
- 2.Sb6#
- 2.Qef7#
- 2.Qff7#
- 2.Qg8#
- 1...Qxf8!
- threat
- 1.f8B?
- threat
- 2.Sb6#
- 2.Qf7#
- 1...Qe3
- 2.Sb6#
- 2.Sxf6#
- 1...Qg7
- 2.Sb6#
- 1...Qh5
- 2.Sb6#
- 2.Sxf6#
- 1...Qg6
- 2.Sb6#
- 1...Qh7
- 2.Sb6#
- 2.Sxf6#
- 1...Rb3
- 2.Bc4#
- 2.Rd4#
- 2.Qf7#
- 2.c4#
- 1...Re3
- 2.Sb6#
- 2.Rd4#
- 1...Rd4
- 2.Sb6#
- 2.Rxd4#
- 1...Bc4
- 2.Sb6#
- 1...Sc4
- 2.Bg2#
- 1...Qxf8!
- threat
- 1.Bg2+?
- Keys
- 1.Ra5!
- threat
- 2.Sb6#
- 1...Kc4
- 2.Qe6#
- 1...Rb3
- 2.c4#
- 1...Sc4
- 2.Bg2#
- threat
- 1.Ra5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(d);N_GUARD,P_SPINS(c)::R1(E)
- R(d);N_GUARD::R1(E),XR(d)
- S(c);N_GUARD,P_SPINR(d)::B(B)
- Tries
- Try
- B(B);CHECK
- Vars
- S(c);N_GUARD,P_SPINR(d),P_SPINS(c)::B(B),XS(c)
- Refutation
- S(c);P_SPINR(d),P_SPINS(c)
- Try
- P(C);
- Threat
- S(G)
- Vars
- S(c);N_GUARD,P_SPINR(d),SBLOCK::B(B)
- Refutation
- K(e);P_PINS(G),P_SPINR(d),S_FLIGHT
- Try
- P(D);CHECK
- Vars
- S(c);P_SPINR(d),XP(D)::B(B)
- Refutation
- B(b);XP(D)
- Try
- P(H);
- Threat
- DUALS(5)
- Refutation
- Q(i);P_PINQ(J),XQ(H)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- Q(i);::S(G)
- B(b);::S(G)
- S(c);N_GUARD,P_SPINR(d)::B(B)
- Refutation
- Q(i);P_PINQ(J),XB(H)
- Try
- Actual
- R(E);
- Threat
- S(G)
- Vars
- K(e);N_GUARD,P_PINS(G),P_SPINR(d),S_FLIGHT::QAB(J)
- R(d);P_SPINS(c),S_CUTB(b)::P(D)
- S(c);N_GUARD,P_SPINR(d),SBLOCK::B(B)
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).