MESON Chess Problem Database
Problem Display
PID: 15135 (1Q1r3b/1q6/3rN3/pR3N1B/P1k2p2/7R/K1PPb3/B7 w - - 0 1)
Bernard, Edmond
Morice, Jean
Gazette de Lausanne, 1980
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Rc5#
- 1...Qg2
- 2.Rc5#
- 1...Qf3
- 2.Rc5#
- 1...Qe4
- 2.Rc5#
- 1...Qa6
- 2.Rc5#
- 1...Qa8
- 2.Rc5#
- 1...Qxb5
- 2.Qxb5#
- 1...Qd7
- 2.Rc5#
- 1...Qe7
- 2.Rc5#
- 1...Qf7
- 2.Rc5#
- 1...Qg7
- 2.Rc5#
- 1...Qh7
- 2.Rc5#
- 1...Rd4
- 2.Rc3#
- 1...Rxb8
- 2.Sxd6#
- 1...Rc8
- 2.Sxd6#
- 1...Re8
- 2.Sxd6#
- 1...Rf8
- 2.Sxd6#
- 1...Rg8
- 2.Sxd6#
- 1...Bc3
- 2.Rxc3#
- 1...Bd4
- 2.Bxe2#
- 1...f3
- 2.Se3#
- 1...Qh1
- Tries
- 1.Sed4?
- threat
- 2.Bxe2#
- 2.Rc3#
- 1...Qxb5
- 2.Qxb5#
- 1...Rxd4
- 2.Rc3#
- 1...Bxh5
- 2.Rc3#
- 2.d3#
- 1...Bxd4
- 2.Bxe2#
- 1...Qg2
- 2.Rc3#
- 1...Qe4
- 2.Rc3#
- 1...Qe7
- 2.Rc3#
- 1...Re6
- 2.Rc3#
- 1...Re8
- 2.Sxd6#
- 2.Rc3#
- 1...Bd1
- 2.Rc3#
- 2.d3#
- 1...Bf1
- 2.Rc3#
- 1...Bd3
- 2.cxd3#
- 1...Bf3
- 2.d3#
- 1...Bg4
- 2.Rc3#
- 2.d3#
- 1...f3
- 2.Se3#
- 1...Qf3!
- threat
- 1.Qxd6?
- threat
- 2.Bxe2#
- 2.Qc5#
- 1...Qxb5
- 2.Bxe2#
- 1...Rxd6
- 2.Sxd6#
- 1...Bxh5
- 2.Qc5#
- 2.d3#
- 1...Qg2
- 2.Qc5#
- 1...Qf3
- 2.Qc5#
- 1...Qe4
- 2.Qc5#
- 1...Qc6
- 2.Bxe2#
- 2.Qxc6#
- 1...Qc8
- 2.Bxe2#
- 1...Qb6
- 2.Bxe2#
- 1...Qa7
- 2.Bxe2#
- 1...Qc7
- 2.Bxe2#
- 2.Qxc7#
- 1...Qe7
- 2.Bxe2#
- 1...Rc8
- 2.Bxe2#
- 1...Bd1
- 2.Qc5#
- 2.d3#
- 1...Bf1
- 2.Qc5#
- 1...Bd3
- 2.Qc5#
- 2.cxd3#
- 1...Bf3
- 2.Qc5#
- 2.d3#
- 1...Bg4
- 2.Qc5#
- 2.d3#
- 1...Bd4
- 2.Bxe2#
- 1...f3
- 2.Se3#
- 2.Qc5#
- 1...Qd5!
- threat
- 1.d4?
- threat
- 2.Bxe2#
- 2.Rc3#
- 1...Qxb5
- 2.Qxb5#
- 1...Rxd4
- 2.Rc3#
- 1...Rxe6
- 2.Rc3#
- 1...Bxh5
- 2.Rc3#
- 1...Bxd4
- 2.Bxe2#
- 1...Qg2
- 2.Rc3#
- 2.Rc5#
- 1...Qf3
- 2.Rc5#
- 1...Qe4
- 2.Rc3#
- 2.Rc5#
- 1...Bd1
- 2.Rc3#
- 1...Bf1
- 2.Rc3#
- 1...Bd3
- 2.cxd3#
- 1...Bg4
- 2.Rc3#
- 1...f3
- 2.Se3#
- 1...Bf3!
- threat
- 1.Sed4?
- Keys
- 1.Bd4!
- threat
- 2.Bxe2#
- 2.Rc3#
- 1...Qxb5
- 2.Qxb5#
- 1...Rxd4
- 2.Rc3#
- 1...Rxe6
- 2.Rc3#
- 1...Bxh5
- 2.Rc3#
- 2.d3#
- 1...Bxd4
- 2.Bxe2#
- 1...Qf3
- 2.Rc5#
- 1...Qg2
- 2.Rc3#
- 2.Rc5#
- 1...Qe4
- 2.Rc3#
- 2.Rc5#
- 1...Bd1
- 2.Rc3#
- 2.d3#
- 1...Bf1
- 2.Rc3#
- 1...Bd3
- 2.cxd3#
- 1...Bf3
- 2.d3#
- 1...Bg4
- 2.Rc3#
- 2.d3#
- 1...f3
- 2.Se3#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 16
- Sets
- Q(f);::R1(G)
- Q(f);OGATE,XR(G)::QAB1(K),XQ(f)
- R(e);S_CUTB(h)::R1(E)
- R(g);N_GUARD,XQ(K)::S(H),XR(e)
- R(g);N_GUARD::S(H),XR(e)
- B(h);N_GUARD::R1(E),XB(h)
- B(h);S_CUTR(e)::B(I),XB(a)
- P(c);N_GUARD::S(H)
- Tries
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- Q(f);OGATE,XR(G)::QAB1(K),XQ(f)
- R(e);XS(J)::R1(E)
- B(h);XS(J)::B(I),XB(a)
- Q(f);::R1(E)
- R(e);::R1(E)
- B(a);::R1(E)
- B(a);OGATE::P(C),XB(a)
- B(a);N_GUARD::P(D)
- P(c);N_GUARD::S(H)
- Refutation
- Q(f);
- Try
- Q(K);XR(e)
- Threat
- DUALS(2)
- Vars
- Q(f);XR(G)::B(I),XB(a)
- R(g);XQ(K)::S(H),XR(g)
- Q(f);::QAR1(K)
- Q(f);::B(I),XB(a)
- R(g);::B(I),XB(a)
- B(a);::QAR1(K)
- B(h);::B(I),XB(a)
- Refutation
- Q(f);
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- Q(f);OGATE,XR(G)::QAB1(K),XQ(f)
- R(e);XP(D)::R1(E)
- R(e);XS(J)::R1(E)
- B(a);XB(I)::R1(E)
- B(h);XP(D)::B(I),XB(a)
- Q(f);::R1(G)
- B(a);::R1(E)
- B(a);OGATE::P(C),XB(a)
- P(c);N_GUARD::S(H)
- Refutation
- B(a);
- Try
- Actual
- B(A);
- Threat
- DUALS(2)
- Vars
- Q(f);OGATE,XR(G)::QAB1(K),XQ(f)
- R(e);XB(A)::R1(E)
- R(e);XS(J)::R1(E)
- B(h);XB(A)::B(I),XB(a)
- Q(f);::R1(G)
- B(a);::R1(E)
- B(a);OGATE::P(C),XB(a)
- B(a);N_GUARD::P(D)
- P(c);N_GUARD::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).