MESON Chess Problem Database
Problem Display
PID: 47369 (1b3RB1/3Kp2N/2p5/Q3Bnp1/1p2k3/1N3p2/2PP4/6rq w - - 0 1)
Groeneveld, Cornelis
5th HM., Problem Observer, 2003
#2
9 + 10
| 102 | Probleemblad | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxg5#
- 1...Rb1
- 2.Sxg5#
- 1...Rc1
- 2.Sxg5#
- 1...Rd1
- 2.Sxg5#
- 1...Re1
- 2.Sxg5#
- 1...Rf1
- 2.Sxg5#
- 1...Se3
- 2.d3#
- 1...Sg3
- 2.Sxg5#
- 1...g4
- 2.Sg5#
- 1...e6
- 2.Sf6#
- 1...Ra1
- Tries
- 1.Bg3?
- threat
- 2.Sxg5#
- 2.Qxf5#
- 1...Rxg3
- 2.Qxf5#
- 1...Bxg3
- 2.Qxf5#
- 1...Sxg3
- 2.Sxg5#
- 1...Qh3
- 2.Sxg5#
- 1...Qh4
- 2.Qxf5#
- 1...Qh5
- 2.Qxf5#
- 1...Qh6
- 2.Qxf5#
- 1...Bf4
- 2.Qxf5#
- 1...Be5
- 2.Sxg5#
- 2.Qxe5#
- 1...Se3
- 2.Sxg5#
- 2.d3#
- 1...Sd4
- 2.Sc5#
- 2.Sxg5#
- 1...Sh4
- 2.Sxg5#
- 2.Qxb4#
- 1...Sd6
- 2.Sxg5#
- 2.Qe5#
- 1...Sh6
- 2.Sxg5#
- 2.Qxb4#
- 1...Sg7
- 2.Sxg5#
- 2.Qxb4#
- 1...g4
- 2.Sg5#
- 2.Qxf5#
- 1...c5
- 2.Sxg5#
- 2.Qa8#
- 1...e5
- 2.Sxg5#
- 2.Sf6#
- 1...e6
- 2.Sxg5#
- 2.Sf6#
- 1...Qxh7!
- threat
- 1.Bd6?
- threat
- 2.Qe5#
- 2.Qxf5#
- 1...Qxh7
- 2.Qe5#
- 1...Bxd6
- 2.Qxf5#
- 1...exd6
- 2.Qxf5#
- 1...f2
- 2.Qxf5#
- 1...e5
- 2.Qxe5#
- 1...Qh2
- 2.Qxf5#
- 1...Qh3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 2.d3#
- 1...Sg3
- 2.Sxg5#
- 2.Qxb4#
- 2.Qe5#
- 1...Sd4
- 2.Sc5#
- 2.Qe5#
- 1...Sh4
- 2.Qxb4#
- 2.Qe5#
- 1...Sh6
- 2.Qxb4#
- 2.Qe5#
- 1...Sg7
- 2.Qxb4#
- 2.Qe5#
- 1...c5
- 2.Qa8#
- 1...e6
- 2.Sf6#
- 2.Qe5#
- 1...Sxd6!
- threat
- 1.Bc7?
- threat
- 2.Qe5#
- 2.Qxf5#
- 1...Qxh7
- 2.Qe5#
- 1...Bxc7
- 2.Qxf5#
- 1...f2
- 2.Qxf5#
- 1...e5
- 2.Qxe5#
- 1...Qh2
- 2.Qxf5#
- 1...Qh3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 2.d3#
- 1...Sg3
- 2.Sxg5#
- 2.Qxb4#
- 2.Qe5#
- 1...Sd4
- 2.Sc5#
- 2.Qe5#
- 1...Sh4
- 2.Qxb4#
- 2.Qe5#
- 1...Sh6
- 2.Qxb4#
- 2.Qe5#
- 1...Sg7
- 2.Qxb4#
- 2.Qe5#
- 1...c5
- 2.Qa8#
- 1...e6
- 2.Sf6#
- 2.Qe5#
- 1...Sd6!
- threat
- 1.Bxb8?
- threat
- 2.Qe5#
- 2.Qxf5#
- 1...Qxh7
- 2.Qe5#
- 1...f2
- 2.Qxf5#
- 1...e5
- 2.Qxe5#
- 1...Qh2
- 2.Qxf5#
- 1...Qh3
- 2.Qe5#
- 1...Se3
- 2.Qe5#
- 2.d3#
- 1...Sg3
- 2.Sxg5#
- 2.Qxb4#
- 2.Qe5#
- 1...Sd4
- 2.Sc5#
- 2.Qe5#
- 1...Sh4
- 2.Qxb4#
- 2.Qe5#
- 1...Sh6
- 2.Qxb4#
- 2.Qe5#
- 1...Sg7
- 2.Qxb4#
- 2.Qe5#
- 1...c5
- 2.Qa8#
- 1...e6
- 2.Sf6#
- 2.Qe5#
- 1...Sd6!
- threat
- 1.Qxb4+?
- 1...Sd4
- 2.Qxd4#
- 1...Kxe5!
- 1...Sd4
- 1.Bg3?
- Keys
- 1.Bh2!
- threat
- 2.Qxf5#
- 1...Be5
- 2.Qxe5#
- 1...Se3
- 2.d3#
- 1...Sg3
- 2.Sxg5#
- 1...Sd4
- 2.Sc5#
- 1...Sh4
- 2.Qxb4#
- 1...Sd6
- 2.Qe5#
- 1...Sh6
- 2.Qxb4#
- 1...Sg7
- 2.Qxb4#
- 1...c5
- 2.Qa8#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- threat
- 1.Bh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 7
- Sets
- R(a);N_GUARD::S(G),XP(g)
- R(a);N_GUARD,P_PINP(B)::S(G),XP(g)
- S(f);SBLOCK::P(B)
- S(f);S_CUTR(a)::S(G),XP(g)
- P(g);S_CUTR(a)::S(G)
- P(i);N_GUARD::S(G)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(a);XB(E)::QAB1(D),XS(f)
- B(j);XB(E)::QAB1(D),XS(f)
- S(f);XB(E)::S(G),XP(g)
- Q(b);::S(G),XP(g)
- Q(b);::QAB1(D),XS(f)
- B(j);::QAB1(D),XS(f)
- Refutation
- Q(b);XS(G)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(b);XS(G)::QAR1(D)
- B(j);XB(E)::QAB1(D),XS(f)
- P(i);XB(E)::QAB1(D),XS(f)
- P(c);::QAB1(D),XS(f)
- P(i);::QAR1(D),XP(i)
- Q(b);::QAB1(D),XS(f)
- Q(b);::QAR1(D)
- P(h);OGATEB::QAB(D)
- Refutation
- S(f);XB(E)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(b);XS(G)::QAR1(D)
- B(j);XB(E)::QAB1(D),XS(f)
- P(c);::QAB1(D),XS(f)
- P(i);::QAR1(D),XP(i)
- Q(b);::QAB1(D),XS(f)
- Q(b);::QAR1(D)
- P(h);OGATEB::QAB(D)
- Refutation
- S(f);
- Try
- B(E);XB(j)
- Threat
- DUALS(2)
- Vars
- Q(b);XS(G)::QAR1(D)
- P(c);::QAB1(D),XS(f)
- P(i);::QAR1(D),XP(i)
- Q(b);::QAB1(D),XS(f)
- Q(b);::QAR1(D)
- P(h);OGATEB::QAB(D)
- Refutation
- S(f);
- Try
- Q(D);CHECK,XP(d)
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAR1(D),XS(f)
- Refutation
- K(e);P-FLIGHT,XB(E)
- Try
- Actual
- B(E);
- Threat
- QAB1(D),XS(f)
- Vars
- B(j);N_GUARD::QAR1(D),XB(j)
- S(f);SBLOCK::P(B)
- S(f);S_CUTR(a)::S(G),XP(g)
- S(f);SBLOCK::S(C)
- S(f);N_GUARD::QAR(D),XP(d)
- S(f);S_CUTB(j)::QAR1(D)
- P(h);OGATEB::QAB(D)
- P(i);N_GUARD::S(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).