MESON Chess Problem Database
Problem Display
PID: 16072 (8/1p3NBn/2p5/Q1b2R2/n3k1P1/qr2P1pK/B1P2p2/5N2 w - - 0 1)
Paslack, Rainer
Probleemblad, 2000
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rf4#
- 1...Rb2
- 2.Rf4#
- 1...Rc3
- 2.Rf4#
- 1...Rd3
- 2.Rf4#
- 1...Rxe3
- 2.Sd2#
- 1...Rb4
- 2.Rf4#
- 1...Rb5
- 2.Rf4#
- 1...Rb6
- 2.Rf4#
- 1...Bxe3
- 2.Sxg3#
- 2.Qe5#
- 1...Bb4
- 2.Rf4#
- 2.Qe5#
- 1...Bd4
- 2.Rf4#
- 1...Bb6
- 2.Rf4#
- 2.Qe5#
- 1...Ba7
- 2.Rf4#
- 2.Qe5#
- 1...Be7
- 2.Rf4#
- 2.Qe5#
- 1...Bf8
- 2.Rf4#
- 2.Qe5#
- 1...Sg5+
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Rb1
- Tries
- 1.Bd4?
- threat
- 2.Sd2#
- 2.Sxg3#
- 1...Sg5+
- 2.Sxg5#
- 1...Bxd4
- 2.Rf4#
- 1...Bd6
- 2.Sd2#
- 1...Qc1
- 2.Sxg3#
- 1...Qb4
- 2.Sxg3#
- 1...Rd3
- 2.Sxg3#
- 2.Rf4#
- 1...Bb4
- 2.Sxg3#
- 2.Rf4#
- 2.Qe5#
- 1...g2
- 2.Sd2#
- 2.Sg3#
- 1...Rxe3!
- threat
- 1.Qd2?
- threat
- 2.Sxg3#
- 2.Rf4#
- 1...Sg5+
- 2.Sxg5#
- 1...Bxe3
- 2.Sxg3#
- 1...Bd6
- 2.Qd4#
- 1...Bd4
- 2.Sxg3#
- 2.Qxd4#
- 1...g2
- 2.Sg3#
- 2.Rf4#
- 1...Rxe3!
- threat
- 1.Qc3?
- threat
- 2.Sd2#
- 2.Sxg3#
- 2.Qe5#
- 1...Sg5+
- 2.Sxg5#
- 1...Rxc3
- 2.Rf4#
- 1...Bxe3
- 2.Sxg3#
- 2.Qe5#
- 1...Bd6
- 2.Sd2#
- 2.Qd4#
- 2.Qc4#
- 1...Qc1
- 2.Sxg3#
- 2.Qe5#
- 1...Qb2
- 2.Sd2#
- 2.Sxg3#
- 1...Bd4
- 2.Sd2#
- 2.Sxg3#
- 2.Qxd4#
- 1...g2
- 2.Sd2#
- 2.Sg3#
- 2.Qe5#
- 1...Sxc3!
- threat
- 1.Qc7?
- threat
- 2.Qf4#
- 2.Qe5#
- 1...Sg5+
- 2.Sxg5#
- 1...Bxe3
- 2.Sxg3#
- 2.Qe5#
- 1...Qb2
- 2.Qf4#
- 1...Bd4
- 2.Qf4#
- 1...Bd6!
- threat
- 1.Qd8?
- threat
- 2.Rf4#
- 1...Sg5+
- 2.Sxg5#
- 1...Rxe3
- 2.Sd2#
- 1...Bxe3
- 2.Sxg3#
- 1...Bd6!
- threat
- 1.Qxc5?
- threat
- 2.Sd2#
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qd4#
- 2.Qc4#
- 2.Qe5#
- 1...Sg5+
- 2.Sxg5#
- 1...Rxe3
- 2.Sd2#
- 2.Sd6#
- 2.Qd4#
- 2.Qc4#
- 2.Qe5#
- 1...Sxc5
- 2.Sd6#
- 1...Qc1
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qd4#
- 2.Qe7#
- 2.Qc4#
- 2.Qe5#
- 1...Qb2
- 2.Sd2#
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 1...Qb4
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qe5#
- 1...Rc3
- 2.Sd2#
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qd4#
- 2.Qe5#
- 1...Rd3
- 2.Sxg3#
- 2.Rf4#
- 2.Qe5#
- 1...Rb4
- 2.Sd2#
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qe7#
- 2.Qe5#
- 1...Rb5
- 2.Sd2#
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qd4#
- 2.Qc4#
- 1...Sb2
- 2.Sd2#
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qd4#
- 2.Qe5#
- 1...Sb6
- 2.Sd2#
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qd4#
- 2.Qe5#
- 1...g2
- 2.Sd2#
- 2.Sg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qd4#
- 2.Qc4#
- 2.Qe5#
- 1...b5
- 2.Sd2#
- 2.Sxg3#
- 2.Sd6#
- 2.Rf4#
- 2.Qd4#
- 2.Qe5#
- 2.Qxc6#
- 1...Qxc5!
- threat
- 1.Bd4?
- Keys
- 1.Bh6!
- threat
- 2.Sd2#
- 2.Sxg3#
- 1...Sg5+
- 2.Sxg5#
- 1...Rxe3
- 2.Rf4#
- 1...Bxe3
- 2.Qe5#
- 1...Bd6
- 2.Sd2#
- 1...Qc1
- 2.Sxg3#
- 1...Qb4
- 2.Sxg3#
- 1...Rd3
- 2.Sxg3#
- 2.Rf4#
- 1...Bb4
- 2.Sxg3#
- 2.Rf4#
- 2.Qe5#
- 1...g2
- 2.Sd2#
- 2.Sg3#
- threat
- 1.Bh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 10
- Sets
- R(c);::R1(H)
- R(c);SBLOCK,XP(D)::S(A)
- B(g);::R1(H)
- S(j);CHECK,N_GUARD::S(I),XS(j)
- S(j);N_GUARD::S(I)
- Tries
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- S(j);CHECK,N_GUARD::S(I),XS(j)
- B(g);XB(J)::R1(H)
- B(g);::S(A)
- Q(b);::S(A),XP(d)
- Refutation
- R(c);XP(D)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(j);CHECK,N_GUARD::S(I),XS(j)
- B(g);XP(D)::S(A),XP(d)
- B(g);N_GUARD::QAR1(G)
- Refutation
- R(c);XP(D)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- S(j);CHECK,N_GUARD::S(I),XS(j)
- R(c);XQ(G)::R1(H)
- Refutation
- S(e);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(j);CHECK,N_GUARD::S(I),XS(j)
- Q(b);::QAR1(G)
- B(g);::QAR1(G)
- Refutation
- B(g);
- Try
- Q(G);
- Threat
- R1(H)
- Vars
- S(j);CHECK,N_GUARD::S(I),XS(j)
- R(c);SBLOCK,XP(D)::S(A)
- B(g);SBLOCK,XP(D)::S(A),XP(d)
- Refutation
- B(g);
- Try
- Q(G);XB(g)
- Threat
- DUALS(7)
- Vars
- S(j);CHECK,N_GUARD::S(I),XS(j)
- S(e);XQ(G)::S(I)
- Refutation
- Q(b);XQ(G)
- Try
- Actual
- B(J);
- Threat
- DUALS(2)
- Vars
- S(j);CHECK,N_GUARD::S(I),XS(j)
- R(c);XP(D)::R1(H)
- B(g);OGATE,XP(D)::QAR1(G)
- B(g);::S(A)
- Q(b);::S(A),XP(d)
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).