MESON Chess Problem Database
Problem Display
PID: 172175 (8/1n1B1R2/q2p2p1/1r1pkNpb/1Pp3P1/p1P5/K3pR2/7Q w - - 0 1)
van Dijk, Nils Gustav Gerard
Problem (Zagreb), 1965
#2
9 + 12
| 133 | The Problemist Supplement | 2017 |
SOLUTION
- SOUND
- Sets
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...d4
- 2.cxd4#
- 1...gxf5
- 2.R2xf5#
- 2.R7xf5#
- 1...e1Q
- Tries
- 1.Se3?
- threat
- 2.Re7#
- 1...Bxg4
- 2.Sxg4#
- 1...Sc5
- 2.Qxd5#
- 1...Sd8!
- threat
- 1.Sg3?
- threat
- 2.Rxe2#
- 2.Re7#
- 1...Bxg4
- 2.Qh8#
- 1...e1Q
- 2.Re7#
- 2.Qxe1#
- 1...e1S
- 2.Re2#
- 2.Re7#
- 2.Qxe1#
- 1...e1B
- 2.Re2#
- 2.Re7#
- 2.Qxe1#
- 1...e1R
- 2.Re7#
- 2.Qxe1#
- 1...Qb6
- 2.Re7#
- 1...Qa7
- 2.Re7#
- 1...Sd8
- 2.Rxe2#
- 1...Sc5!
- threat
- 1.Sh4?
- threat
- 2.Rxe2#
- 2.Re7#
- 1...Bxg4
- 2.Sxg6#
- 1...e1Q
- 2.Re7#
- 2.Qxe1#
- 1...e1S
- 2.Re2#
- 2.Re7#
- 2.Qxe1#
- 1...e1B
- 2.Re2#
- 2.Re7#
- 2.Qxe1#
- 1...e1R
- 2.Re7#
- 2.Qxe1#
- 1...Qb6
- 2.Re7#
- 1...Qa7
- 2.Re7#
- 1...Sd8
- 2.Rxe2#
- 1...Sc5!
- threat
- 1.Sh6?
- threat
- 2.Rxe2#
- 2.Re7#
- 1...Bxg4
- 2.Sxg4#
- 1...e1Q
- 2.Re7#
- 2.Qxe1#
- 1...e1S
- 2.Re2#
- 2.Re7#
- 2.Qxe1#
- 1...e1B
- 2.Re2#
- 2.Re7#
- 2.Qxe1#
- 1...e1R
- 2.Re7#
- 2.Qxe1#
- 1...Qb6
- 2.Re7#
- 1...Qa7
- 2.Re7#
- 1...Sd8
- 2.Rxe2#
- 1...Sc5!
- threat
- 1.Se7?
- threat
- 2.Rxe2#
- 1...Bxg4
- 2.Sxg6#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Re2#
- 2.Qxe1#
- 1...e1B
- 2.Re2#
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...Sc5
- 2.Qxd5#
- 1...Qa7
- 2.Sc6#
- 1...Qb6!
- threat
- 1.Se3?
- Keys
- 1.Sxd6!
- threat
- 2.Qh2#
- 1...Kxd6
- 2.Qh2#
- 1...Qxd6
- 2.Rxe2#
- 1...Sxd6
- 2.Re7#
- 1...d4
- 2.Sxc4#
- threat
- 1.Sxd6!
This is a version
There are these versions: 172176
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- P(e);OGATE::P(D),XP(e)
- Tries
- Try
- S(G);
- Threat
- R(I)
- Vars
- B(h);XP(F)::S(G),XB(h)
- S(l);S_CUTR(d)::QAR1(A),XP(e)
- Refutation
- S(l);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(h);OGATE,XP(F)::QAB(A)
- Q(i);::R(I)
- S(l);::R(C),XP(a)
- Refutation
- S(l);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(h);N_GUARD,XP(F)::S(G),XP(k)
- Q(i);::R(I)
- S(l);::R(C),XP(a)
- Refutation
- S(l);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(h);XP(F)::S(G),XB(h)
- Q(i);::R(I)
- S(l);::R(C),XP(a)
- Refutation
- S(l);
- Try
- S(G);
- Threat
- R(C),XP(a)
- Vars
- B(h);N_GUARD,XP(F)::S(G),XP(k)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- S(l);S_CUTR(d)::QAR1(A),XP(e)
- Q(i);N_GUARD::S(G)
- Refutation
- Q(i);
- Try
- Actual
- S(G);XP(j)
- Threat
- QAB(A)
- Vars
- K(f);S_FLIGHT,XS(G)::QAB(A)
- Q(i);SBLOCK,XS(G)::R(C),XP(a)
- S(l);SBLOCK,XS(G)::R(I)
- P(e);N_GUARD::S(G),XP(c)
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