MESON Chess Problem Database
Problem Display
PID: 12428 (K3Q3/1n3N2/2R4q/3k1P2/bR6/2p2P2/2r2n2/3N4 w - - 0 1)
Goldschmeding, Cornelis
2nd Prize, Die Schwalbe 162. TT, 1979
#2
8 + 7
| 3750 | FIDE Album (1977-1979) | 1984 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Qe6#
- 1...Qd2
- 2.Qe6#
- 1...Qe3
- 2.Sxe3#
- 1...Qf4
- 2.Qe6#
- 1...Qg5
- 2.Qe6#
- 1...Qg7
- 2.Se3#
- 2.Qe6#
- 1...Qf8
- 2.Se3#
- 1...Qh1
- 2.Se3#
- 2.Qe6#
- 1...Qh2
- 2.Se3#
- 2.Qe6#
- 1...Qh3
- 2.Se3#
- 2.Qe6#
- 1...Qh4
- 2.Se3#
- 2.Qe6#
- 1...Qh5
- 2.Se3#
- 2.Qe6#
- 1...Qxc6
- 2.Qe5#
- 1...Qd6
- 2.Se3#
- 1...Qe6
- 2.Qxe6#
- 1...Qf6
- 2.Se3#
- 1...Qg6
- 2.Se3#
- 1...Qh7
- 2.Se3#
- 2.Qe6#
- 1...Qh8
- 2.Se3#
- 1...Ra2
- 2.Sxc3#
- 1...Rb2
- 2.Sxc3#
- 1...Rd2
- 2.Sxc3#
- 1...Re2
- 2.Sxc3#
- 1...Bxc6
- 2.Qe5#
- 1...Sxd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 2.fxe4#
- 1...Sg4
- 2.Qe4#
- 1...Qc1
- Tries
- 1.Sxh6?
- threat
- 2.Se3#
- 2.Qe6#
- 1...Sxd1
- 2.Qe4#
- 2.Qe6#
- 1...Re2
- 2.Sxc3#
- 1...Sg4
- 2.Qe4#
- 2.Qe6#
- 1...Sc5
- 2.Se3#
- 1...Sd6
- 2.Se3#
- 1...Sd8
- 2.Se3#
- 1...Bxc6!
- threat
- 1.Rbc4?
- threat
- 2.Qe5#
- 1...Qxc6
- 2.Se3#
- 1...Sc5
- 2.R6xc5#
- 1...Qe3
- 2.Sxe3#
- 1...Qf4
- 2.Qe6#
- 1...Qg7
- 2.Se3#
- 2.Qe6#
- 1...Qf8
- 2.Se3#
- 1...Qh2
- 2.Se3#
- 2.Qe6#
- 1...Qd6
- 2.Se3#
- 1...Qe6
- 2.Qxe6#
- 1...Qf6
- 2.Se3#
- 1...Qh8
- 2.Se3#
- 1...Re2
- 2.Sxc3#
- 1...Sd3
- 2.Qe4#
- 1...Sg4
- 2.Qe4#
- 1...Bxc6!
- threat
- 1.Rf4?
- threat
- 2.Se3#
- 1...Qxc6
- 2.Qe5#
- 1...Bxc6
- 2.Qe5#
- 1...Sxd1
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Qe6
- 2.Qxe6#
- 1...Re2
- 2.Sxc3#
- 1...Sg4
- 2.Qe4#
- 1...Qxf4!
- threat
- 1.Qd7+?
- 1...Qd6
- 2.Se3#
- 1...Sd6!
- 1...Qd6
- 1.f6?
- threat
- 2.Qe6#
- 1...Qxf6
- 2.Se3#
- 1...Bxc6
- 2.Qe5#
- 1...Qe3
- 2.Sxe3#
- 1...Qf8
- 2.Se3#
- 1...Qh3
- 2.Se3#
- 1...Qh8
- 2.Se3#
- 1...Re2
- 2.Sxc3#
- 1...Sc5
- 2.Rd6#
- 1...Sd8
- 2.Qd7#
- 1...Sd6!
- threat
- 1.Sxh6?
- Keys
- 1.f4!
- threat
- 2.Se3#
- 1...Qxf4
- 2.Qe6#
- 1...Qxc6
- 2.Qe5#
- 1...Bxc6
- 2.Qe5#
- 1...Sxd1
- 2.Qe4#
- 1...Qh3
- 2.Qe6#
- 1...Qe6
- 2.Qxe6#
- 1...Re2
- 2.Sxc3#
- 1...Sg4
- 2.Qe4#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 15
- Sets
- Q(f);N_GUARD::QAB1(H)
- Q(f);N_GUARD::S(A),XQ(f)
- Q(f);N_GUARD,P_PINQ(H)::S(A)
- Q(f);SBLOCK,XR(E)::QAR1(H)
- Q(f);N_GUARD::S(A)
- Q(f);N_GUARD::QAB1(H),XQ(f)
- R(a);N_GUARD::S(A),XP(c)
- B(d);SBLOCK,XR(E)::QAR1(H)
- S(b);N_GUARD,XS(A)::QAB1(H)
- S(b);N_GUARD::QAB1(H)
- Tries
- Try
- S(F);XQ(f)
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD::S(A),XP(c)
- S(g);::S(A)
- Refutation
- B(d);XR(E)
- Try
- R(C);
- Threat
- QAR1(H)
- Vars
- Q(f);N_GUARD,XR(E)::S(A)
- S(g);N_GUARD::R1(E),XS(g)
- Q(f);N_GUARD::S(A),XQ(f)
- Q(f);N_GUARD::QAB1(H)
- Q(f);N_GUARD,P_PINQ(H)::S(A)
- Q(f);N_GUARD::S(A)
- Q(f);N_GUARD::QAB1(H),XQ(f)
- R(a);N_GUARD::S(A),XP(c)
- S(b);N_GUARD::QAB1(H)
- Refutation
- B(d);XR(E)
- Try
- R(C);
- Threat
- S(A)
- Vars
- Q(f);SBLOCK,XR(E)::QAR1(H)
- B(d);SBLOCK,XR(E)::QAR1(H)
- S(b);N_GUARD,XS(A)::QAB1(H)
- S(b);N_GUARD::QAB1(H),XS(b)
- Q(f);N_GUARD::QAB1(H),XQ(f)
- R(a);N_GUARD::S(A),XP(c)
- S(b);N_GUARD::QAB1(H)
- Refutation
- Q(f);XR(C)
- Try
- Q(H);CHECK
- Vars
- Q(f);P_SPINQ(f)::S(A)
- Refutation
- S(g);P_SPINS(g)
- Try
- P(D);
- Threat
- QAB1(H)
- Vars
- Q(f);N_GUARD,XP(D)::S(A)
- B(d);SBLOCK,XR(E)::QAR1(H)
- Q(f);N_GUARD::S(A),XQ(f)
- Q(f);N_GUARD,P_PINQ(H)::S(A)
- Q(f);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XP(c)
- S(g);N_GUARD,SBLOCK::R1(E)
- S(g);N_GUARD::QAR2(H)
- Refutation
- S(g);
- Try
- Actual
- P(B);
- Threat
- S(A)
- Vars
- Q(f);N_GUARD,XP(B)::QAB1(H)
- Q(f);SBLOCK,XR(E)::QAR1(H)
- B(d);SBLOCK,XR(E)::QAR1(H)
- S(b);N_GUARD,XS(A)::QAB1(H)
- Q(f);N_GUARD::QAB1(H)
- Q(f);N_GUARD::QAB1(H),XQ(f)
- R(a);N_GUARD::S(A),XP(c)
- S(b);N_GUARD::QAB1(H)
Developed and maintained by Brian Stephenson.
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