MESON Chess Problem Database
Problem Display
PID: 46020 (6B1/1p5p/1Qpp4/P3kpP1/4pN2/8/2K5/b1BR4 w - - 0 1)
Cuppini, Alessandro
Problem Paradise, 2002
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...e3
- 2.Qxe3#
- 1...c5
- 2.Rd5#
- 2.Qxd6#
- 1...d5
- 2.Qc7#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Bb2
- Tries
- 1.Kb1?
- 1...e3
- 2.Qxe3#
- 1...d5
- 2.Qc7#
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...c5
- 2.Rd5#
- 2.Qxd6#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Bc3!
- 1...e3
- 1.Se2?
- threat
- 2.Bf4#
- 1...e3
- 2.Qxe3#
- 1...f4!
- threat
- 1.Sg2?
- threat
- 2.Bf4#
- 1...e3
- 2.Qxe3#
- 1...f4!
- threat
- 1.Sh3?
- threat
- 2.Bf4#
- 1...e3
- 2.Qxe3#
- 1...f4!
- threat
- 1.Sd5?
- threat
- 2.Bf4#
- 1...cxd5
- 2.Rxd5#
- 1...e3
- 2.Qxe3#
- 1...f4!
- threat
- 1.Sh5?
- threat
- 2.Bf4#
- 1...e3
- 2.Qxe3#
- 1...f4!
- threat
- 1.Se6?
- threat
- 2.Bf4#
- 1...Bd4
- 2.Qxd4#
- 1...e3
- 2.Qxe3#
- 1...f4!
- threat
- 1.Be3?
- 1...d5
- 2.Qc7#
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...c5
- 2.Rd5#
- 2.Qxd6#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Bc3!
- 1...d5
- 1.Ba2?
- 1...e3
- 2.Qxe3#
- 1...d5
- 2.Qc7#
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...c5
- 2.Rd5#
- 2.Qxd6#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Bc3!
- 1...e3
- 1.Bc4?
- 1...e3
- 2.Qxe3#
- 1...d5
- 2.Qc7#
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...c5
- 2.Rd5#
- 2.Qxd6#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Bc3!
- 1...e3
- 1.Bf7?
- 1...e3
- 2.Qxe3#
- 1...d5
- 2.Qc7#
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...c5
- 2.Rd5#
- 2.Qxd6#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Bc3!
- 1...e3
- 1.Bxh7?
- 1...e3
- 2.Qxe3#
- 1...d5
- 2.Qc7#
- 1...Bb2
- 2.Qxb2#
- 1...Bd4
- 2.Qxd4#
- 1...c5
- 2.Rd5#
- 2.Qxd6#
- 1...Bc3!
- 1...e3
- 1.Qc5+?
- 1...d5
- 2.Qe7#
- 1...dxc5!
- 1...d5
- 1.Qc7?
- threat
- 2.Qxd6#
- 2.Qe7#
- 2.Qg7#
- 1...Bd4
- 2.Qe7#
- 2.Qg7#
- 1...e3!
- threat
- 1.Qd8?
- threat
- 2.Qf6#
- 2.Qe7#
- 2.Qxd6#
- 2.Qe8#
- 1...Bd4
- 2.Qf6#
- 2.Qe7#
- 2.Qe8#
- 1...d5
- 2.Qf6#
- 2.Qc7#
- 2.Qe7#
- 2.Qb8#
- 1...e3!
- threat
- 1.Qb3?
- threat
- 2.Qe6#
- 1...e3
- 2.Qxe3#
- 1...d5!
- threat
- 1.Qb5+?
- 1...cxb5
- 2.Rd5#
- 1...c5
- 2.Rd5#
- 2.Qe8#
- 1...d5!
- 1...cxb5
- 1.Qxb7?
- threat
- 2.Qe7#
- 2.Qg7#
- 1...d5
- 2.Qc7#
- 2.Qe7#
- 2.Qb8#
- 1...e3!
- threat
- 1.Kb1?
- Keys
- 1.Qb4!
- threat
- 2.Qxd6#
- 1...Bd4
- 2.Qxd4#
- 1...e3
- 2.Sd3#
- 1...c5
- 2.Rd5#
- 1...d5
- 2.Qe7#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::QAB(G),XB(a)
- B(a);N_GUARD::QAB1(G),XB(a)
- P(b);OGATEB::QAR2(G),XP(b)
- P(f);OGATEB::QAB(G)
- P(h);N_GUARD::S(D)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- P(f);OGATEB::QAB(G)
- B(a);N_GUARD::QAB(G),XB(a)
- B(a);N_GUARD::QAB1(G),XB(a)
- P(h);N_GUARD::S(D)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- B(A)
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- Refutation
- P(d);
- Try
- S(D);
- Threat
- B(A)
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- Refutation
- P(d);
- Try
- S(D);
- Threat
- B(A)
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- Refutation
- P(d);
- Try
- S(D);
- Threat
- B(A)
- Vars
- P(e);OGATE,XS(D)::R1(B),XP(e)
- P(b);OGATEB::QAR2(G),XP(b)
- Refutation
- P(d);
- Try
- S(D);
- Threat
- B(A)
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- Refutation
- P(d);
- Try
- S(D);
- Threat
- B(A)
- Vars
- B(a);N_GUARD::QAB1(G),XB(a)
- P(b);OGATEB::QAR2(G),XP(b)
- Refutation
- P(d);
- Try
- B(A);
- Vars
- P(f);OGATEB::QAB(G)
- B(a);N_GUARD::QAB(G),XB(a)
- B(a);N_GUARD::QAB1(G),XB(a)
- P(h);N_GUARD::S(D)
- Refutation
- B(a);
- Try
- B(H);
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- P(f);OGATEB::QAB(G)
- B(a);N_GUARD::QAB(G),XB(a)
- B(a);N_GUARD::QAB1(G),XB(a)
- P(h);N_GUARD::S(D)
- Refutation
- B(a);
- Try
- B(H);
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- P(f);OGATEB::QAB(G)
- B(a);N_GUARD::QAB(G),XB(a)
- B(a);N_GUARD::QAB1(G),XB(a)
- P(h);N_GUARD::S(D)
- Refutation
- B(a);
- Try
- B(H);
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- P(f);OGATEB::QAB(G)
- B(a);N_GUARD::QAB(G),XB(a)
- B(a);N_GUARD::QAB1(G),XB(a)
- P(h);N_GUARD::S(D)
- Refutation
- B(a);
- Try
- B(H);XP(h)
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- P(f);OGATEB::QAB(G)
- B(a);N_GUARD::QAB(G),XB(a)
- B(a);N_GUARD::QAB1(G),XB(a)
- Refutation
- B(a);
- Try
- Q(G);CHECK
- Vars
- P(f);OGATE,P_SPINP(f)::QAR2(G)
- Refutation
- P(f);XQ(G)
- Try
- Q(G);P_PINP(f)
- Threat
- DUALS(3)
- Refutation
- P(b);
- Try
- Q(G);
- Threat
- DUALS(4)
- Refutation
- P(b);
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- P(b);OGATEB::QAR2(G),XP(b)
- Refutation
- P(f);
- Try
- Q(G);CHECK
- Vars
- P(e);N_GUARD,XQ(G)::R1(B)
- Refutation
- P(f);P_SPINP(f)
- Try
- Q(G);XP(g)
- Threat
- DUALS(2)
- Refutation
- P(b);
- Try
- Actual
- Q(G);
- Threat
- QAB1(G),XP(f)
- Vars
- B(a);N_GUARD::QAB1(G),XB(a)
- P(b);N_GUARD::S(D)
- P(e);N_GUARD::R1(B)
- P(f);OGATE::QAR2(G)
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).