MESON Chess Problem Database
Problem Display
PID: 9992 (4R3/1K1k1P1N/1B1p1pn1/2Pr1R2/5bn1/2q2Q2/4r3/3b1B2 w - - 0 1)
van Dijk, Nils Gustav Gerard
8th HM., FIDE Ty., 1961
#2
9 + 10
| 3749 | FIDE Album (1959-1961) | 1966 |
| 5862 | An ABC of Chess Problems | 1970 |
| 4640 | Chess Wizardry: The New ABC of Chess Problems | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.c6#
- 1...Qe1
- 2.c6#
- 1...Qb2
- 2.c6#
- 1...Qd2
- 2.c6#
- 1...Qb4
- 2.c6#
- 1...Qd4
- 2.c6#
- 1...Qa5
- 2.c6#
- 1...Qe5
- 2.c6#
- 1...Qa3
- 2.c6#
- 1...Qb3
- 2.c6#
- 1...Qd3
- 2.c6#
- 1...Qe3
- 2.c6#
- 1...Qxf3
- 2.c6#
- 1...Re1
- 2.Bb5#
- 1...Ra2
- 2.Bb5#
- 1...Rc2
- 2.Bb5#
- 1...Red2
- 2.Bb5#
- 1...Rf2
- 2.Bb5#
- 1...Rg2
- 2.Bb5#
- 1...Rh2
- 2.Bb5#
- 1...Re3
- 2.Bb5#
- 1...Re4
- 2.Bb5#
- 1...Ree5
- 2.Bb5#
- 1...Re6
- 2.Bb5#
- 1...Rdd2
- 2.Qc6#
- 1...Rd3
- 2.Qc6#
- 1...Rd4
- 2.Qc6#
- 1...Rde5
- 2.Qc6#
- 1...Rxf5
- 2.Qc6#
- 1...S4e5
- 2.Sxf6#
- 1...Sh4
- 2.Sf8#
- 1...S6e5
- 2.Sf8#
- 1...Se7
- 2.Sf8#
- 1...Sf8
- 2.Sxf8#
- 1...Sh8
- 2.Sf8#
- 1...Qa1
- Tries
- 1.Sxf6+?
- 1...Qxf6
- 2.c6#
- 1...Sxf6!
- 1...Qxf6
- 1.Qxe2?
- threat
- 2.Rd8#
- 2.Qb5#
- 2.Qe6#
- 1...Qxc5
- 2.Rd8#
- 2.Qe6#
- 1...Rxc5
- 2.Rd8#
- 2.Qe6#
- 1...dxc5
- 2.Rd8#
- 2.Qe6#
- 1...Qe1
- 2.Rd8#
- 2.Qb5#
- 2.c6#
- 1...Qb2
- 2.Rd8#
- 2.Qe6#
- 2.c6#
- 1...Qb4
- 2.Rd8#
- 2.Qe6#
- 2.c6#
- 1...Qa5
- 2.Rd8#
- 2.Qe6#
- 2.c6#
- 1...Qe5
- 2.Qb5#
- 2.c6#
- 1...Qb3
- 2.Rd8#
- 2.Qe6#
- 2.c6#
- 1...Qd3
- 2.Rd8#
- 2.Qe6#
- 2.c6#
- 1...Qe3
- 2.Qb5#
- 2.c6#
- 1...Qc4
- 2.Rd8#
- 2.Qe6#
- 1...Rd3
- 2.Rd8#
- 2.Qe6#
- 1...Re5
- 2.Qb5#
- 1...Ba4
- 2.Rd8#
- 2.Qe6#
- 1...Be3
- 2.Qb5#
- 1...Be5
- 2.Qb5#
- 1...Se3
- 2.Qb5#
- 1...S4e5
- 2.Sxf6#
- 1...S6e5
- 2.Sf8#
- 1...Se7
- 2.Sf8#
- 2.Rxe7#
- 2.Rd8#
- 2.Qxe7#
- 1...Sf8
- 2.Sxf8#
- 2.Re7#
- 2.Rd8#
- 2.Qb5#
- 2.Qe7#
- 1...Bxe2!
- threat
- 1.Qe4?
- threat
- 2.Rd8#
- 1...Rxe4
- 2.Bb5#
- 1...Qe5
- 2.c6#
- 1...Re5
- 2.Qc6#
- 1...S4e5
- 2.Sxf6#
- 1...S6e5
- 2.Sf8#
- 1...Be5!
- threat
- 1.Sxf6+?
- Keys
- 1.Rfe5!
- threat
- 2.Rd8#
- 1...Qxe5
- 2.c6#
- 1...Rexe5
- 2.Bb5#
- 1...Rdxe5
- 2.Qc6#
- 1...Bxe5
- 2.Qf5#
- 1...S4xe5
- 2.Sxf6#
- 1...S6xe5
- 2.Sf8#
- 1...dxe5
- 2.Qxd5#
- 1...fxe5
- 2.Qxg4#
- threat
- 1.Rfe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 30
- Sets
- Q(c);N_GUARD::P(C)
- Q(c);N_GUARD,P_PINB(E)::P(C)
- Q(c);N_GUARD,XQ(B)::P(C)
- R(b);OGATE::B(A)
- R(f);OGATE::QAB1(B)
- R(f);OGATE,XR(D)::QAB1(B)
- S(e);N_GUARD,S_CUTQ(c)::S(H),XP(h)
- S(i);N_GUARD::S(H)
- S(i);N_GUARD::S(H),XS(i)
- Tries
- Try
- S(H);CHECK,XP(h)
- Vars
- Q(c);XS(H)::P(C)
- Refutation
- S(e);XS(H)
- Try
- Q(B);XR(b)
- Threat
- DUALS(3)
- Vars
- R(f);::QAB(B)
- B(d);::QAB(B)
- S(e);::QAB(B)
- S(e);N_GUARD,S_CUTQ(c)::S(H),XP(h)
- S(i);N_GUARD::S(H)
- Refutation
- B(a);XQ(B)
- Try
- Q(B);
- Threat
- R1(I)
- Vars
- R(b);OGATE,XQ(B)::B(A)
- Q(c);N_GUARD::P(C)
- R(f);OGATE::QAB1(B)
- S(e);N_GUARD,S_CUTQ(c)::S(H),XP(h)
- S(i);N_GUARD::S(H)
- Refutation
- B(d);
- Try
- Actual
- R(D);
- Threat
- R1(I)
- Vars
- Q(c);N_GUARD,XR(D)::P(C)
- R(b);OGATE,XR(D)::B(A)
- R(f);OGATE,XR(D)::QAB1(B)
- B(d);OGATE,XR(D)::QAB(B)
- S(e);N_GUARD,XR(D)::S(H),XP(h)
- S(i);N_GUARD,XR(D)::S(H)
- P(g);OGATEB,XR(D)::QAR2(B),XR(f)
- P(h);N_GUARD,XR(D)::QAB(B),XS(e)
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