MESON Chess Problem Database
Problem Display
PID: 48156 (2N4b/1p1rrn2/1B6/1PpkPB2/R7/1P4Qp/p2PNP2/3nK3 w - - 0 1)
Groeneveld, Cornelis
van Gool, Johann Christoffel
4th HM., Hlas l'udu, 1987
#2
12 + 10
| 3297 | FIDE Album (1986-1988) | 1995 |
| 102 | Probleemblad | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Sxe7#
- 1...Rd8
- 2.Sxe7#
- 1...Rxe5
- 2.Qd3#
- 1...Re6
- 2.Be4#
- 1...Bxe5
- 2.Qf3#
- 1...Sb2
- 2.Sc3#
- 1...Sxf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...Se3
- 2.Sc3#
- 1...Sxe5
- 2.Sf4#
- 1...c4
- 2.bxc4#
- 1...Rd6
- Tries
- 1.Ba5?
- threat
- 2.Sb6#
- 1...Rxe5
- 2.Qd3#
- 1...Bxe5
- 2.Qf3#
- 1...Sxe5
- 2.Sf4#
- 1...Rd6
- 2.Sxe7#
- 1...Re6
- 2.Be4#
- 1...b6
- 2.Sxb6#
- 1...c4!
- threat
- 1.Bc7?
- threat
- 2.Sf4#
- 2.Sb6#
- 2.Qd3#
- 2.Qf3#
- 1...Rxc7
- 2.Sb6#
- 1...Rxe5
- 2.Sb6#
- 2.Qd3#
- 1...Bxe5
- 2.Sb6#
- 2.Qf3#
- 1...Sxf2
- 2.Sc3#
- 2.Sf4#
- 2.Sb6#
- 1...Sxe5
- 2.Sf4#
- 2.Sb6#
- 1...a1Q
- 2.Sf4#
- 2.Sb6#
- 2.Qf3#
- 1...a1B
- 2.Sf4#
- 2.Sb6#
- 2.Qf3#
- 1...Rd6
- 2.Sxe7#
- 1...Re6
- 2.Sf4#
- 2.Be4#
- 2.Qd3#
- 2.Qf3#
- 1...Sb2
- 2.Sc3#
- 2.Sf4#
- 2.Sb6#
- 2.Qf3#
- 1...Sc3
- 2.Sxc3#
- 2.Sf4#
- 2.Sb6#
- 2.Qd3#
- 1...Se3
- 2.Sc3#
- 2.Sf4#
- 2.Sb6#
- 2.Qf3#
- 1...Sg5
- 2.Sf4#
- 2.Sb6#
- 2.Qd3#
- 1...Sd6
- 2.Sb6#
- 1...b6
- 2.Sf4#
- 2.Sxb6#
- 2.Qd3#
- 2.Qf3#
- 1...c4!
- threat
- 1.Bd8?
- threat
- 2.Sb6#
- 1...Rxe5
- 2.Qd3#
- 1...Bxe5
- 2.Qf3#
- 1...Sxe5
- 2.Sf4#
- 1...Rd6
- 2.Sxe7#
- 1...Re6
- 2.Be4#
- 1...b6
- 2.Sxb6#
- 1...c4!
- threat
- 1.Re4?
- threat
- 2.Sf4#
- 2.Qd3#
- 1...Sxf2
- 2.Sc3#
- 2.Sf4#
- 1...Sxe5
- 2.Sf4#
- 1...a1Q
- 2.Sf4#
- 1...a1B
- 2.Sf4#
- 1...Sb2
- 2.Sc3#
- 2.Sf4#
- 1...Se3
- 2.Sc3#
- 2.Sf4#
- 1...c4
- 2.Sf4#
- 2.Rd4#
- 2.bxc4#
- 1...Bxe5!
- threat
- 1.Qc3?
- threat
- 2.Sf4#
- 2.Qxc5#
- 1...Rxe5
- 2.Qd3#
- 2.Qc4#
- 2.Qxc5#
- 1...Bxe5
- 2.Qf3#
- 2.Qc4#
- 2.Qxc5#
- 1...Rc7
- 2.Sf4#
- 1...c4
- 2.Sf4#
- 2.Qd4#
- 2.bxc4#
- 1...Sxc3!
- threat
- 1.Qe3?
- threat
- 2.Sf4#
- 2.Qxc5#
- 2.Qe4#
- 1...Rxe5
- 2.Sf4#
- 2.Qxc5#
- 2.Qd3#
- 1...Bxe5
- 2.Qxc5#
- 2.Qf3#
- 2.Qe4#
- 1...Sxf2
- 2.Sc3#
- 2.Sf4#
- 2.Qxc5#
- 1...Rc7
- 2.Sf4#
- 2.Qe4#
- 1...Sc3
- 2.Sxc3#
- 2.Sf4#
- 2.Qxc5#
- 1...Sg5
- 2.Sf4#
- 2.Qxc5#
- 1...Sd6
- 2.Sf4#
- 2.Qxc5#
- 1...c4
- 2.Sf4#
- 2.Qd4#
- 2.Qc5#
- 2.Qe4#
- 2.bxc4#
- 1...Sxe3!
- threat
- 1.d4?
- threat
- 2.Sf4#
- 2.Qf3#
- 1...Bxe5
- 2.Qf3#
- 1...Sxf2
- 2.Sc3#
- 2.Sf4#
- 1...Sxe5
- 2.Sf4#
- 1...cxd4
- 2.Rxd4#
- 1...Sc3
- 2.Sxc3#
- 2.Sf4#
- 1...Sg5
- 2.Sf4#
- 1...Sd6
- 2.Sf4#
- 1...Rxe5!
- threat
- 1.f4?
- threat
- 2.Qd3#
- 2.Qf3#
- 1...Rxe5
- 2.Qd3#
- 1...Bxe5
- 2.Qf3#
- 1...a1Q
- 2.Qf3#
- 1...a1B
- 2.Qf3#
- 1...Sb2
- 2.Sc3#
- 2.Qf3#
- 1...Sf2
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 2.Qd3#
- 1...Se3
- 2.Sc3#
- 2.Qf3#
- 1...Sg5
- 2.Qd3#
- 1...Sd6
- 2.Qd3#
- 1...c4
- 2.Qf3#
- 2.bxc4#
- 1...Sxe5!
- threat
- 1.Ba5?
- Keys
- 1.Ba7!
- threat
- 2.Sb6#
- 1...Rxe5
- 2.Qd3#
- 1...Bxe5
- 2.Qf3#
- 1...Sxe5
- 2.Sf4#
- 1...Rd6
- 2.Sxe7#
- 1...Re6
- 2.Be4#
- 1...c4
- 2.bxc4#
- 1...b6
- 2.Sxb6#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(g);N_GUARD::S(L),XR(h)
- R(h);P_PINS(C),SBLOCK,XP(I)::QAR2(F)
- R(h);SBLOCK::B(J)
- B(j);SBLOCK,XP(I)::QAB(F)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD,XP(D)::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(i);SBLOCK,XP(I)::S(C)
- P(d);OGATE::P(E),XP(d)
- Tries
- Try
- B(K);
- Threat
- S(L)
- Vars
- R(h);P_PINS(C),SBLOCK,XP(I)::QAR2(F)
- B(j);SBLOCK,XP(I)::QAB(F)
- S(i);SBLOCK,XP(I)::S(C)
- R(g);N_GUARD::S(L),XR(h)
- R(h);SBLOCK::B(J)
- P(f);::S(L),XP(f)
- Refutation
- P(d);
- Try
- B(K);
- Threat
- DUALS(4)
- Vars
- R(g);XB(K)::S(L)
- R(g);N_GUARD::S(L),XR(h)
- S(i);::S(L)
- Refutation
- P(d);
- Try
- B(K);
- Threat
- S(L)
- Vars
- R(h);P_PINS(C),SBLOCK,XP(I)::QAR2(F)
- B(j);SBLOCK,XP(I)::QAB(F)
- S(i);SBLOCK,XP(I)::S(C)
- R(g);N_GUARD::S(L),XR(h)
- R(h);SBLOCK::B(J)
- P(f);::S(L),XP(f)
- Refutation
- P(d);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(i);XP(I)::S(C)
- P(b);::S(C)
- Refutation
- B(j);XP(I)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(g);::S(C)
- Refutation
- S(a);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(3)
- Refutation
- S(a);XQ(F)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- B(j);XP(I)::QAB(F)
- S(i);XP(I)::S(C)
- P(d);OGATE,XP(B)::R1(G),XP(d)
- S(i);::S(C)
- Refutation
- R(h);P_PINS(C),XP(I)
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- R(h);P_PINS(C),XP(I)::QAR2(F)
- B(j);XP(I)::QAB(F)
- P(b);::QAB(F)
- S(a);N_GUARD::S(C)
- S(i);::QAR2(F)
- Refutation
- S(i);XP(I)
- Try
- Actual
- B(K);
- Threat
- S(L)
- Vars
- R(h);P_PINS(C),SBLOCK,XP(I)::QAR2(F)
- B(j);SBLOCK,XP(I)::QAB(F)
- S(i);SBLOCK,XP(I)::S(C)
- R(g);N_GUARD::S(L),XR(h)
- R(h);SBLOCK::B(J)
- P(d);OGATE::P(E),XP(d)
- P(f);::S(L),XP(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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