MESON Chess Problem Database
Problem Display
PID: 59724 (3n2rb/2pNN3/b2PpQRB/r1R1p2K/4k2p/2P2p2/2P5/4qB2 w - - 0 1)
Goldschmeding, Cornelis
1st Prize, De Waarheid, 1966
#2
11 + 12
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Qxc3
- 2.Qxh4#
- 1...Qa1
- 2.Qxh4#
- 1...Qb1
- 2.Qxh4#
- 1...Qd1
- 2.Qxh4#
- 1...Qxf1
- 2.Qxh4#
- 1...Qe2
- 2.Qxh4#
- 1...Ra1
- 2.Rxe5#
- 1...Ra2
- 2.Rxe5#
- 1...Ra3
- 2.Rxe5#
- 1...Ra4
- 2.Rxe5#
- 1...Rb5
- 2.Bd3#
- 2.Rc4#
- 1...Rxc5
- 2.Sxc5#
- 1...Rxg6
- 2.Qxg6#
- 1...Rg7
- 2.Qxe5#
- 1...Re8
- 2.Rg4#
- 1...Rf8
- 2.Rg4#
- 1...Bd3
- 2.Bxd3#
- 2.cxd3#
- 1...Bc4
- 2.Rxc4#
- 1...Bb5
- 2.Rxe5#
- 1...Bb7
- 2.Bd3#
- 2.Rc4#
- 1...Bc8
- 2.Bd3#
- 2.Rc4#
- 1...Bxf6
- 2.Sxf6#
- 1...Bg7
- 2.Rg4#
- 1...f2
- 2.Bg2#
- 1...Qxc3
- Tries
- 1.Rxa5?
- threat
- 2.Sc5#
- 2.Rxe5#
- 1...Qxc3
- 2.Qxh4#
- 1...Bxf6
- 2.Sc5#
- 2.Sxf6#
- 1...Qf2
- 2.Rxe5#
- 1...Qg3
- 2.Sc5#
- 1...Qe3
- 2.Rxe5#
- 1...Bb5
- 2.Sc5#
- 1...Sc6
- 2.Sc5#
- 1...Sb7
- 2.Rxe5#
- 1...Sf7
- 2.Sc5#
- 1...c5
- 2.Sxc5#
- 1...cxd6!
- threat
- 1.Rb5?
- threat
- 2.Sc5#
- 2.Bd3#
- 1...Qxc3
- 2.Qxh4#
- 1...Qxf1
- 2.Sc5#
- 2.Qxh4#
- 1...Rxb5
- 2.Bd3#
- 1...Bxb5
- 2.Sc5#
- 1...cxd6
- 2.Bd3#
- 1...Qd2
- 2.Sc5#
- 1...Qf2
- 2.Bd3#
- 1...Qd1
- 2.Sc5#
- 2.Qxh4#
- 1...Qe2
- 2.Sc5#
- 2.Qxh4#
- 1...Sb7
- 2.Bd3#
- 1...c5
- 2.Sxc5#
- 2.Bd3#
- 1...Qe3!
- threat
- 1.Rg7?
- threat
- 2.Qxe5#
- 2.Qg6#
- 1...Qxc3
- 2.Qxh4#
- 1...Rxc5
- 2.Sxc5#
- 2.Qg6#
- 1...Rxg7
- 2.Qxe5#
- 1...Bxg7
- 2.Qg6#
- 1...cxd6
- 2.Qg6#
- 1...Rf8
- 2.Rg4#
- 2.Qxe5#
- 1...Sc6
- 2.Qg6#
- 1...Sf7
- 2.Qg6#
- 1...f2
- 2.Bg2#
- 1...Qg3!
- threat
- 1.Rxg8?
- threat
- 2.Rg4#
- 2.Qg6#
- 1...Qxc3
- 2.Rg4#
- 2.Qxh4#
- 1...Bxf6
- 2.Sxf6#
- 2.Rg4#
- 1...Qd2
- 2.Qg6#
- 1...Qc1
- 2.Qg6#
- 1...Qe3
- 2.Qg6#
- 1...Bg7
- 2.Qg6#
- 1...f2
- 2.Bg2#
- 2.Rg4#
- 1...Qg3!
- threat
- 1.Qg7?
- threat
- 2.Sf6#
- 2.Rg4#
- 1...Qxc3
- 2.Rg4#
- 1...Rxg7
- 2.Sf6#
- 1...Bxg7
- 2.Rg4#
- 1...f2
- 2.Bg2#
- 1...Qd2
- 2.Sf6#
- 1...Qg3
- 2.Sf6#
- 1...Qc1
- 2.Sf6#
- 1...Qe3
- 2.Sf6#
- 1...Rf8!
- threat
- 1.Qxh8?
- threat
- 2.Sf6#
- 2.Qxe5#
- 1...Rxc5
- 2.Sxc5#
- 2.Sf6#
- 1...Rxg6
- 2.Qxe5#
- 1...Rxh8
- 2.Sf6#
- 2.Rg4#
- 1...cxd6
- 2.Sf6#
- 1...f2
- 2.Bg2#
- 1...Qg3
- 2.Sf6#
- 1...Rg7
- 2.Sf6#
- 1...Rf8
- 2.Qxe5#
- 1...Sc6
- 2.Sf6#
- 1...Sf7
- 2.Sf6#
- 1...Qxc3!
- threat
- 1.Qxe6?
- threat
- 2.Qg4#
- 2.Qd5#
- 2.Qf5#
- 1...Qxc3
- 2.Qg4#
- 2.Qd5#
- 1...Rxc5
- 2.Sxc5#
- 2.Qg4#
- 2.Qf5#
- 1...Rxg6
- 2.Qd5#
- 2.Qf5#
- 2.Qxg6#
- 1...Qd2
- 2.Qf5#
- 1...Qg3
- 2.Qd5#
- 2.Qf5#
- 1...Qc1
- 2.Qd5#
- 2.Qf5#
- 1...Qd1
- 2.Qg4#
- 2.Qf5#
- 1...Qe3
- 2.Qd5#
- 2.Qf5#
- 1...Rf8
- 2.Qd5#
- 1...Bc4
- 2.Rxc4#
- 2.Qxc4#
- 2.Qg4#
- 2.Qf5#
- 1...Bb7
- 2.Bd3#
- 2.Rc4#
- 2.Qc4#
- 2.Qg4#
- 2.Qf5#
- 1...c6
- 2.Qg4#
- 2.Qf5#
- 1...Sxe6!
- threat
- 1.Rxa5?
- Keys
- 1.Bb5!
- threat
- 2.Rc4#
- 2.Rxe5#
- 1...Qxc3
- 2.Qxh4#
- 1...Rxb5
- 2.Rc4#
- 1...Bxb5
- 2.Rxe5#
- 1...Bxf6
- 2.Sxf6#
- 2.Rc4#
- 1...cxd6
- 2.Rc4#
- 1...Qd2
- 2.Rxe5#
- 1...Qf2
- 2.Rxe5#
- 1...Qg3
- 2.Rc4#
- 1...Qd1
- 2.Rxe5#
- 2.Qxh4#
- 1...Qf1
- 2.Rxe5#
- 2.Qxh4#
- 1...Qg1
- 2.Rxe5#
- 1...Qe2
- 2.Rxe5#
- 2.Qxh4#
- 1...Qe3
- 2.Rxe5#
- 1...Ra4
- 2.Rxe5#
- 1...Sc6
- 2.Bxc6#
- 1...Sf7
- 2.Bc6#
- 2.Rc4#
- threat
- 1.Bb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 17
- Sets
- Q(a);N_GUARD,XP(C)::QAR(G),XP(d)
- Q(a);N_GUARD::QAR(G),XP(d)
- Q(a);N_GUARD,XB(A)::QAR(G),XP(d)
- R(e);N_GUARD::R1(D),XP(f)
- R(e);XR(D)::S(J),XR(e)
- R(k);OGATE,XR(H)::QAB(G),XR(k)
- R(k);S_CUTB(l)::QAR1(G),XP(f)
- R(k);N_GUARD::R(H)
- B(g);N_GUARD::R(D),XB(g)
- B(g);S_CUTR(e)::R1(D),XP(f)
- B(l);XQ(G)::S(J),XB(l)
- B(l);S_CUTR(k)::R(H)
- P(b);OGATEB::B(A)
- Tries
- Try
- R(D);XR(e)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XP(C)::QAR(G),XP(d)
- Q(a);::R1(D),XP(f)
- Q(a);::S(J)
- B(g);::S(J)
- S(j);::S(J)
- S(j);::R1(D),XP(f)
- P(i);::S(J),XP(i)
- Refutation
- P(i);XP(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XP(C)::QAR(G),XP(d)
- R(e);XR(D)::B(A)
- B(g);XR(D)::S(J)
- P(i);XP(F)::B(A)
- Q(a);::S(J)
- Q(a);::B(A)
- S(j);::B(A)
- Refutation
- Q(a);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XP(C)::QAR(G),XP(d)
- R(k);XR(H)::QAR1(G),XP(f)
- B(l);XR(H)::QAB(G)
- P(i);XP(F)::QAB(G)
- S(j);::QAB(G)
- P(b);OGATEB::B(A)
- Refutation
- Q(a);
- Try
- R(H);XR(k)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB(G)
- B(l);::QAB(G)
- Refutation
- Q(a);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(C)::R(H)
- R(k);XQ(G)::S(J)
- B(l);XQ(G)::R(H)
- P(b);OGATEB::B(A)
- Q(a);::S(J)
- Refutation
- R(k);
- Try
- Q(G);XB(l)
- Threat
- DUALS(2)
- Vars
- R(k);XR(H)::QAR1(G),XP(f)
- P(i);XP(F)::S(J)
- P(b);OGATEB::B(A)
- Q(a);::S(J)
- R(k);::S(J)
- R(k);::QAR1(G),XP(f)
- S(j);::S(J)
- Refutation
- Q(a);XP(C)
- Try
- Q(G);P_PINP(f),XP(h)
- Threat
- DUALS(3)
- Vars
- Q(a);::QAB1(G)
- R(k);::QAB1(G)
- Refutation
- S(j);N_SPINP(f),XQ(G)
- Try
- Actual
- B(A);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XP(C)::QAR(G),XP(d)
- R(e);XB(A)::R(D)
- B(g);XB(A)::R1(D),XP(f)
- P(i);XP(F)::R(D)
- Q(a);::R1(D),XP(f)
- Q(a);::R(D)
- R(e);::R1(D),XP(f)
- S(j);N_GUARD::B(A),XS(j)
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).