MESON Chess Problem Database
Problem Display
PID: 18906 (n3Q3/rp4pb/q3p2B/r3k3/2RRNN2/6bB/8/2nK4 w - - 0 1)
Goldschmeding, Cornelis
HM., Die Schwalbe, 1959
#2
8 + 11
| 3749 | FIDE Album (1959-1961) | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Qb5
- 2.Qxe6#
- 1...Ra1
- 2.Rd5#
- 1...Ra2
- 2.Rd5#
- 1...Ra3
- 2.Rd5#
- 1...Ra4
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Bxf4
- 2.Bxg7#
- 1...Bg6
- 2.Sxg6#
- 1...Bg8
- 2.Sg6#
- 1...Sa2
- 2.Sd3#
- 1...Se2
- 2.Sd3#
- 1...Sb3
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sb6
- 2.Qxe6#
- 2.Qb8#
- 1...b5
- 2.Rd5#
- 1...b6
- 2.Qxe6#
- 1...g6
- 2.Qh8#
- 1...Qb5
- Tries
- 1.Sd6?
- threat
- 2.Bxg7#
- 2.Qxe6#
- 1...Kf6
- 2.Qxe6#
- 1...Qxc4
- 2.Bxg7#
- 1...Qxd6
- 2.Bxg7#
- 1...gxh6
- 2.Qxe6#
- 2.Qh8#
- 1...Rd5
- 2.Qxe6#
- 1...Bh4
- 2.Qxe6#
- 1...Be4
- 2.Qxe6#
- 1...Bf5
- 2.Bxg7#
- 1...Bg8
- 2.Bxg7#
- 1...Sc7
- 2.Bxg7#
- 1...b5
- 2.Qxe6#
- 1...b6
- 2.Qxe6#
- 1...g5
- 2.Bg7#
- 2.Qxe6#
- 2.Qh8#
- 1...g6
- 2.Bg7#
- 2.Qxe6#
- 2.Qh8#
- 1...Bc2+!
- threat
- 1.Se2?
- threat
- 2.Bxg7#
- 1...gxh6
- 2.Qh8#
- 1...Bh4
- 2.Bf4#
- 1...b5
- 2.Rc5#
- 1...b6
- 2.Qxe6#
- 1...g5
- 2.Bg7#
- 2.Qh8#
- 1...g6
- 2.Bg7#
- 2.Qh8#
- 1...Sxe2!
- threat
- 1.Sg2?
- threat
- 2.Bxg7#
- 1...gxh6
- 2.Qh8#
- 1...Bh4
- 2.Bf4#
- 1...b6
- 2.Qxe6#
- 1...g5
- 2.Bg7#
- 2.Qh8#
- 1...g6
- 2.Bg7#
- 2.Qh8#
- 1...b5!
- threat
- 1.Sh5?
- threat
- 2.Bxg7#
- 1...gxh6
- 2.Qh8#
- 1...Bh4
- 2.Bf4#
- 1...b6
- 2.Qxe6#
- 1...g5
- 2.Bg7#
- 2.Qh8#
- 1...g6
- 2.Bg7#
- 2.Qh8#
- 1...b5!
- threat
- 1.Qh5+?
- 1...Bf5
- 2.Sg6#
- 1...g5!
- 1...Bf5
- 1.Qf7?
- threat
- 2.Bxg7#
- 2.Qxg7#
- 1...gxh6
- 2.Qf6#
- 1...b5
- 2.Bxg7#
- 1...Bf5
- 2.Qxg7#
- 1...b6
- 2.Bxg7#
- 2.Qxe6#
- 1...g5
- 2.Bg7#
- 2.Qf6#
- 1...g6
- 2.Bg7#
- 2.Qf6#
- 2.Qg7#
- 1...Bh4!
- threat
- 1.Qe7?
- threat
- 2.Qxg7#
- 1...gxh6
- 2.Qf6#
- 1...g5
- 2.Qf6#
- 1...b5
- 2.Rd5#
- 2.Qc5#
- 1...b6
- 2.Qd6#
- 2.Qxe6#
- 1...g6
- 2.Qg5#
- 2.Qf6#
- 2.Qg7#
- 1...Bh4!
- threat
- 1.Qb8+?
- 1...Qd6
- 2.Qxd6#
- 1...Sc7!
- 1...Qd6
- 1.Qf8?
- threat
- 2.Bxg7#
- 2.Qxg7#
- 1...gxh6
- 2.Qf6#
- 1...b5
- 2.Qc5#
- 1...Bf5
- 2.Qxg7#
- 1...b6
- 2.Qd6#
- 1...g5
- 2.Bg7#
- 2.Qf6#
- 1...g6
- 2.Bg7#
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Bh4!
- threat
- 1.Sd6?
- Keys
- 1.Sxe6!
- threat
- 2.Bxg7#
- 1...Qxe6
- 2.Qxe6#
- 1...gxh6
- 2.Qh8#
- 1...b5
- 2.Rc5#
- 1...Bh4
- 2.Bf4#
- 1...b6
- 2.Sc7#
- 1...g5
- 2.Bg7#
- 2.Qh8#
- 1...g6
- 2.Bg7#
- 2.Qh8#
- threat
- 1.Sxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 14
- Sets
- Q(e);N_GUARD::QAR1(H),XP(f)
- R(c);N_GUARD::R1(D)
- R(c);N_GUARD,P_PINR(D)::R1(D),XR(c)
- B(b);SBLOCK,XS(F)::B(G),XP(i)
- B(j);N_GUARD::S(F),XB(j)
- B(j);N_GUARD::S(F)
- S(a);N_GUARD::S(F)
- S(a);N_GUARD::S(F),XS(a)
- P(h);S_CUTR(c)::R1(D)
- P(h);S_CUTQ(e)::QAR1(H),XP(f)
- P(i);OGATEB::QAB(H)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- K(d);N_SPINP(f),S_FLIGHT::QAR1(H),XP(f)
- Q(e);XR(C)::B(G),XP(i)
- Q(e);P_PINR(D),XS(E)::B(G),XP(i)
- R(c);P_PINR(D)::QAR1(H),XP(f)
- B(b);::QAR1(H),XP(f)
- B(j);::QAR1(H),XP(f)
- B(j);::B(G),XP(i)
- S(k);::B(G),XP(i)
- P(h);::QAR1(H),XP(f)
- Refutation
- B(j);CHECK
- Try
- S(F);
- Threat
- B(G),XP(i)
- Vars
- P(i);OGATEB,XB(G)::QAB(H)
- B(b);N_GUARD::B(G)
- P(h);S_CUTR(c)::R(C)
- P(h);S_CUTQ(e)::QAR1(H),XP(f)
- Refutation
- S(a);XS(F)
- Try
- S(F);
- Threat
- B(G),XP(i)
- Vars
- P(i);OGATEB,XB(G)::QAB(H)
- B(b);N_GUARD::B(G)
- P(h);S_CUTQ(e)::QAR1(H),XP(f)
- Refutation
- P(h);
- Try
- S(F);
- Threat
- B(G),XP(i)
- Vars
- P(i);OGATEB,XB(G)::QAB(H)
- B(b);N_GUARD::B(G)
- P(h);S_CUTQ(e)::QAR1(H),XP(f)
- Refutation
- P(h);
- Try
- Q(H);CHECK,N_PINP(f)
- Vars
- B(j);P_SPINB(j)::S(F)
- Refutation
- P(i);P_SPINP(i)
- Try
- Q(H);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- P(i);N_GUARD,XB(G)::QAB1(H)
- P(h);::B(G),XP(i)
- B(j);::QAB(H),XP(i)
- Refutation
- B(b);
- Try
- Q(H);
- Threat
- QAB(H),XP(i)
- Vars
- P(i);N_GUARD,XB(G)::QAB1(H)
- P(i);N_GUARD::QAB1(H)
- Refutation
- B(b);
- Try
- Q(H);CHECK,N_PINP(f)
- Vars
- Q(e);N_GUARD,P_PINR(D),P_SPINQ(e)::QAB1(H),XQ(e)
- Refutation
- S(k);P_SPINS(k)
- Try
- Q(H);N_PINP(f)
- Threat
- DUALS(2)
- Vars
- P(i);N_GUARD,XB(G)::QAB1(H)
- P(h);S_CUTR(c)::QAR2(H)
- B(j);::QAB(H),XP(i)
- P(h);S_CUTQ(e)::QAB1(H)
- Refutation
- B(b);
- Try
- Actual
- S(F);XP(f)
- Threat
- B(G),XP(i)
- Vars
- Q(e);OGATE,P_SPINQ(e),XS(F)::QAR1(H),XQ(e)
- P(i);OGATEB,XB(G)::QAB(H)
- P(h);S_CUTR(c)::R(C)
- B(b);N_GUARD::B(G)
- P(h);S_CUTQ(e)::QAR(H)+S(F)
Developed and maintained by Brian Stephenson.
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