MESON Chess Problem Database
Problem Display
PID: 57037 (1n2Q1BK/5Np1/r5R1/3k4/1P1B2R1/2P5/3Nq2b/5r1b w - - 0 1)
van Dijk, Nils Gustav Gerard
1st Prize, Stella Polaris, 1966
#2
10 + 8
| 3772 | FIDE Album (1965-1967) | 1976 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Qb5#
- 2.c4#
- 1...Qf3
- 2.Qb5#
- 2.c4#
- 1...Qxg4
- 2.Qb5#
- 1...Qb5
- 2.Qxb5#
- 1...Qe1
- 2.Qb5#
- 2.c4#
- 1...Qxd2
- 2.Qb5#
- 1...Qf2
- 2.Qb5#
- 2.c4#
- 1...Qg2
- 2.Qb5#
- 2.c4#
- 1...Qe3
- 2.Qb5#
- 2.c4#
- 1...Qe4
- 2.Qb5#
- 1...Qe5
- 2.Qb5#
- 2.c4#
- 1...Qe6
- 2.Qb5#
- 2.c4#
- 1...Qe7
- 2.c4#
- 1...Qxe8
- 2.c4#
- 1...Qd1
- Tries
- 1.Se5+?
- 1...Re6
- 2.Qxe6#
- 1...Rf7!
- 1...Re6
- 1.Bf2?
- threat
- 2.Rd4#
- 1...Qxg4
- 2.Qb5#
- 1...Qxd2
- 2.Sd6#
- 2.Qb5#
- 2.c4#
- 1...Qxf2
- 2.c4#
- 1...Qd3
- 2.Sd6#
- 1...Qc4
- 2.Sd6#
- 1...Qe3
- 2.c4#
- 1...Qe4
- 2.Qb5#
- 1...Qe5
- 2.Qb5#
- 2.c4#
- 1...Be4
- 2.Sd6#
- 1...Be5
- 2.Sd6#
- 1...Sc6
- 2.Se5#
- 1...Bf4!
- threat
- 1.Qxe2?
- threat
- 2.Qc4#
- 2.Qb5#
- 2.c4#
- 1...Rxg6
- 2.Qc4#
- 1...Rff6
- 2.Qc4#
- 1...Rd6
- 2.Qc4#
- 2.Qb5#
- 1...Re6
- 2.Qc4#
- 2.Qb5#
- 2.Qxe6#
- 1...Raf6
- 2.Qc4#
- 1...Bd6
- 2.Qc4#
- 1...Rc1
- 2.Qc4#
- 2.Qb5#
- 1...Rf4
- 2.Qc4#
- 2.Qb5#
- 2.Qe5#
- 1...Ra5
- 2.Qc4#
- 2.Qe6#
- 2.c4#
- 1...Rb6
- 2.Qc4#
- 2.c4#
- 1...Be4
- 2.Qc4#
- 2.Qb5#
- 2.Qxe4#
- 1...Bf4
- 2.Qc4#
- 2.Qb5#
- 1...Sd7
- 2.Qc4#
- 2.c4#
- 1...Rc6!
- threat
- 1.Qe5+?
- 1...Qxe5
- 2.c4#
- 1...Bxe5!
- 1...Qxe5
- 1.Se5+?
- Keys
- 1.Bb6!
- threat
- 2.Rd4#
- 1...Qxg4
- 2.Qb5#
- 1...Qxd2
- 2.Qb5#
- 2.Qe6#
- 2.c4#
- 1...Qd3
- 2.Qe6#
- 1...Qc4
- 2.Qe6#
- 1...Qf2
- 2.Qe6#
- 2.c4#
- 1...Qe3
- 2.c4#
- 1...Qe4
- 2.Qb5#
- 1...Qe5
- 2.Qb5#
- 2.c4#
- 1...Rf4
- 2.Rd6#
- 1...Be4
- 2.Qe6#
- 1...Bg1
- 2.Rd6#
- 1...Bf4
- 2.Se5#
- 1...Be5
- 2.Qe6#
- 1...Sc6
- 2.Qxc6#
- threat
- 1.Bb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 4
- Sets
- Q(c);N_GUARD,XR(E)::QAR2(H)
- Q(c);N_GUARD::QAR2(H),XQ(c)
- Q(c);N_GUARD,XS(A)::QAR2(H)
- Q(c);N_GUARD::QAR2(H)
- Q(c);N_GUARD::P(B)
- Q(c);N_GUARD,P_PINB(I),XQ(H)::P(B)
- Tries
- Try
- S(G);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::QAB1(H),XR(f)
- Refutation
- R(a);P_SPINR(a)
- Try
- B(D);
- Threat
- R1(E)
- Vars
- Q(c);N_GUARD,XR(E)::QAR2(H)
- Q(c);N_GUARD,XB(D)::P(B)
- Q(c);N_GUARD::B(I)+S(G)
- Q(c);N_GUARD::P(B)
- Q(c);N_GUARD::QAR2(H)
- B(b);S_CUTQ(c)::B(I)+S(G)
- B(d);S_CUTQ(c)::B(I)+S(G)
- S(h);S_CUTR(f)::B(I)+S(G)
- Refutation
- B(d);
- Try
- Q(H);XQ(c)
- Threat
- DUALS(3)
- Vars
- R(f);XR(F)::QAB1(H)
- R(a);::QAB1(H)
- R(f);::QAB1(H)
- B(d);::QAB1(H)
- Refutation
- R(f);
- Try
- Q(H);CHECK
- Vars
- Q(c);XQ(H)::P(B)
- Refutation
- B(d);XQ(H)
- Try
- Actual
- B(D);
- Threat
- R1(E)
- Vars
- Q(c);N_GUARD,XR(E)::QAR2(H)
- Q(c);N_GUARD::QAB1(H)
- Q(c);N_GUARD::P(B)
- Q(c);N_GUARD::QAR2(H)
- R(a);S_CUTB(d)::R1(F)
- B(b);S_CUTQ(c)::QAB1(H)
- B(d);N_GUARD::R1(F)
- B(d);S_CUTR(a)::B(I)+S(G)
- B(d);S_CUTQ(c)::QAB1(H)
- S(h);N_GUARD::QAB1(H),XS(h)
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).