MESON Chess Problem Database
Problem Display
PID: 141729 (5B2/2KpN3/8/2R1p3/1Pbkp2n/N3p3/1Pr1P3/4nQ1B w - - 0 1)
van Gool, Johann Christoffel
Prize, 08. Kwik-Toernooi, 1977
#2
10 + 9
| 102 | Probleemblad | 1977 |
SOLUTION
- SOUND
- Sets
- 1...Rxb2
- 2.Rxc4#
- 1...Rd2
- 2.Rxc4#
- 1...Ba2
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Bd5
- 2.Sb5#
- 1...Be6
- 2.Sb5#
- 1...Bf7
- 2.Sb5#
- 1...Bg8
- 2.Sb5#
- 1...Seg2
- 2.Sxc2#
- 1...Sd3
- 2.Sxc2#
- 1...Sef3
- 2.Sxc2#
- 1...Shg2
- 2.Sf5#
- 1...Shf3
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...Rxb2
- Tries
- 1.Qg2?
- threat
- 2.Qxe4#
- 1...Rxb2
- 2.Rxc4#
- 1...Sexg2
- 2.Sxc2#
- 1...Shxg2
- 2.Sf5#
- 1...Bd5
- 2.Sb5#
- 1...Sef3
- 2.Sxc2#
- 1...Shf3
- 2.Sf5#
- 1...d5
- 2.Sc6#
- 1...Bd3!
- threat
- 1.Qf5?
- threat
- 2.Qxe4#
- 2.Qxe5#
- 1...Rxb2
- 2.Rxc4#
- 2.Qxe5#
- 1...Rxe2
- 2.Qxe4#
- 1...Bxe2
- 2.Qxe4#
- 2.Qxd7#
- 1...Sxf5
- 2.Sxf5#
- 1...Bd3
- 2.Qxd7#
- 2.Qxe5#
- 1...Bd5
- 2.Sb5#
- 1...Seg2
- 2.Sxc2#
- 2.Qxe5#
- 1...Sd3
- 2.Sxc2#
- 2.Qxe4#
- 1...Sef3
- 2.Sxc2#
- 1...Shg2
- 2.Qxe5#
- 1...Sg6
- 2.Qxe4#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 2.Qxe4#
- 1...Shf3!
- threat
- 1.Qf6?
- threat
- 2.Qxe5#
- 1...Bxe2
- 2.Qd6#
- 1...Bd5
- 2.Sb5#
- 1...Sd3
- 2.Sxc2#
- 1...Sef3
- 2.Sxc2#
- 1...Shf3
- 2.Sf5#
- 1...Sg6
- 2.Sf5#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...Rxe2!
- threat
- 1.Qg2?
- Keys
- 1.Qf4!
- threat
- 2.Qxe5#
- 2.Qxe4#
- 1...Rxb2
- 2.Rxc4#
- 2.Qxe5#
- 1...Rxe2
- 2.Qxe4#
- 1...Bxe2
- 2.Qxe4#
- 1...exf4
- 2.Bg7#
- 1...Bd3
- 2.Qxe5#
- 1...Bd5
- 2.Sb5#
- 1...Seg2
- 2.Sxc2#
- 2.Qxe5#
- 1...Sd3
- 2.Sxc2#
- 2.Qxe4#
- 1...Sef3
- 2.Sxc2#
- 1...Shg2
- 2.Sf5#
- 2.Qxe5#
- 1...Shf3
- 2.Sf5#
- 1...Sg6
- 2.Sf5#
- 2.Qxe4#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 2.Qxe4#
- threat
- 1.Qf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 14
- Sets
- R(b);N_GUARD,XP(C)::R1(G),XB(d)
- R(b);N_GUARD::R1(G),XB(d)
- B(d);N_GUARD,P_PINR(G)::S(E)
- B(d);N_GUARD,P_PINR(G)::S(E),XB(d)
- S(a);N_GUARD::S(E),XR(b)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- P(i);N_GUARD::S(I)
- Tries
- Try
- Q(A);
- Threat
- QAR1(A),XP(f)
- Vars
- R(b);N_GUARD,XP(C)::R1(G),XB(d)
- S(a);N_GUARD,XQ(A)::S(E),XR(b)
- S(g);N_GUARD,XQ(A)::S(I)
- B(d);N_GUARD,P_PINR(G)::S(E)
- S(a);N_GUARD::S(E),XR(b)
- S(g);N_GUARD::S(I)
- P(i);N_GUARD::S(I)
- Refutation
- B(d);P_PINR(G)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);XP(D)::QAR1(A),XP(f)
- S(g);XQ(A)::S(I),XS(g)
- B(d);N_GUARD,P_PINR(G)::S(E)
- S(a);N_GUARD::S(E),XR(b)
- S(g);::QAB1(A),XP(h)
- S(g);::QAR1(A),XP(f)
- P(i);N_GUARD::S(I)
- Refutation
- S(g);
- Try
- Q(A);P_PINP(h)
- Threat
- QAB1(A),XP(h)
- Vars
- B(d);N_GUARD,P_PINR(G),XP(D)::QAR2(A)
- B(d);N_GUARD,P_PINR(G)::S(E)
- S(a);N_GUARD::S(E),XR(b)
- S(g);N_GUARD::S(I)
- P(i);N_GUARD::S(I)
- Refutation
- R(b);XP(D)
- Try
- Actual
- Q(A);P_PINP(f)
- Threat
- DUALS(2)
- Vars
- R(b);XP(D)::QAR1(A),XP(f)
- B(d);P_PINR(G),XP(D)::QAR1(A),XP(f)
- P(h);N_SPINP(f),OGATEB,XQ(A)::B(J)
- B(d);P_PINR(G)::QAB1(A),XP(h)
- B(d);N_GUARD,P_PINR(G)::S(E)
- S(a);N_GUARD::S(E),XR(b)
- S(g);N_GUARD::S(I)
- P(i);N_GUARD::S(I)
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).