MESON Chess Problem Database
Problem Display
PID: 90753 (3R1n2/8/p1qb1Q1K/1N1P2pB/r3k2p/5p1r/2P5/3R1N2 w - - 0 1)
Goldschmeding, Cornelis
2nd Prize, Die Schwalbe Ring Ty., 1949
#2
9 + 10
| 6490 | yacpdb | 2009 |
| 133 | The Problemist Supplement | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.Sc3#
- 2.Re1#
- 1...Qb7
- 2.Sc3#
- 2.Sxd6#
- 1...Qd7
- 2.Sc3#
- 1...Qa8
- 2.Sc3#
- 2.Sxd6#
- 1...Qe8
- 2.Sc3#
- 2.Sxd6#
- 1...Qxc2
- 2.Sxd6#
- 1...Qc3
- 2.Sxc3#
- 2.Sxd6#
- 1...Qc4
- 2.Sxd6#
- 1...Qb6
- 2.Sc3#
- 1...Qc8
- 2.Sxd6#
- 1...Rh1
- 2.Bxf3#
- 1...Rh2
- 2.Bxf3#
- 1...Ra1
- 2.Rd4#
- 1...Ra2
- 2.Rd4#
- 1...Ra3
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Ra5
- 2.Rd4#
- 1...Bh2
- 2.Re1#
- 1...Ba3
- 2.Re1#
- 1...Bg3
- 2.Bxf3#
- 1...Bb4
- 2.Rd4#
- 1...Bc5
- 2.Sc3#
- 1...Be5
- 2.Re1#
- 1...Bc7
- 2.Re1#
- 1...Be7
- 2.Re1#
- 1...Bb8
- 2.Re1#
- 1...Se6
- 2.Bg6#
- 1...Sg6
- 2.Bxg6#
- 1...Sd7
- 2.Bg6#
- 1...Sh7
- 2.Bg6#
- 1...Qxd5
- Tries
- 1.Sd2+?
- 1...Kxd5
- 2.Qf5#
- 1...Ke3!
- 1...Kxd5
- 1.Re8+?
- 1...Qxe8
- 2.Sc3#
- 2.Sxd6#
- 1...Be5
- 2.Rxe5#
- 1...Se6
- 2.Bg6#
- 1...Be7!
- 1...Qxe8
- 1.Rxf8?
- threat
- 2.Bg6#
- 2.Qf5#
- 1...Qxd5
- 2.Sc3#
- 2.Re1#
- 1...Rd4
- 2.Rxd4#
- 2.Qxd4#
- 2.Qf5#
- 1...Qd7
- 2.Sc3#
- 1...Qe8
- 2.Sc3#
- 2.Sxd6#
- 2.Qf5#
- 1...Qc8
- 2.Sxd6#
- 1...Bh2
- 2.Bg6#
- 1...Ba3
- 2.Bg6#
- 1...Bg3
- 2.Bxf3#
- 2.Bg6#
- 1...Bb4
- 2.Bg6#
- 2.Rd4#
- 1...Bf4
- 2.Bg6#
- 1...Bc5
- 2.Sc3#
- 2.Bg6#
- 1...Be5
- 2.Bg6#
- 1...Bc7
- 2.Bg6#
- 1...Be7
- 2.Bg6#
- 1...Bb8
- 2.Bg6#
- 1...Bxf8+!
- threat
- 1.Qd4+?
- 1...Kf5
- 2.Se3#
- 2.Bg4#
- 1...Rxd4!
- 1...Kf5
- 1.dxc6?
- threat
- 2.Sc3#
- 2.Sxd6#
- 1...Rd4
- 2.Sc3#
- 2.Rxd4#
- 1...Ra3
- 2.Sxd6#
- 2.Rd4#
- 1...Rc4
- 2.Sxd6#
- 1...Bh2
- 2.Sc3#
- 2.Re1#
- 1...Ba3
- 2.Sc3#
- 2.Re1#
- 1...Bg3
- 2.Sc3#
- 2.Bxf3#
- 1...Bb4
- 2.R1d4#
- 2.R8d4#
- 1...Bf4
- 2.Sc3#
- 1...Bc5
- 2.Sc3#
- 1...Be5
- 2.Re1#
- 1...Bc7
- 2.Sc3#
- 2.Re1#
- 1...Be7
- 2.Sc3#
- 2.Re1#
- 1...Bb8
- 2.Sc3#
- 2.Re1#
- 1...f2
- 2.Sxd6#
- 1...axb5!
- threat
- 1.Sd2+?
- Keys
- 1.Bg4!
- threat
- 2.Qf5#
- 1...Qxd5
- 2.Sc3#
- 2.Re1#
- 1...Qd7
- 2.Sc3#
- 1...Qc8
- 2.Sxd6#
- 1...Bh2
- 2.Re1#
- 1...Ba3
- 2.Re1#
- 1...Bg3
- 2.Bxf3#
- 1...Bb4
- 2.Rd4#
- 1...Bf4
- 2.Bf5#
- 1...Bc5
- 2.Sc3#
- 1...Be5
- 2.Re1#
- 1...Bc7
- 2.Re1#
- 1...Be7
- 2.Re1#
- 1...Bb8
- 2.Re1#
- threat
- 1.Bg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- Q(h);N_GUARD::S(D)
- Q(h);N_GUARD,XP(C)::S(D),XB(i)
- Q(h);N_GUARD::S(D),XB(i)
- R(b);N_GUARD::B(F),XP(a)
- R(c);N_GUARD::R1(A)
- R(c);N_GUARD::R1(A),XR(c)
- B(i);P_PINQ(G)::R(A)
- B(i);P_PINQ(G),S_CUTR(b)::B(F),XP(a)
- B(i);P_PINQ(G),S_CUTR(c)::R1(A)
- B(i);P_PINQ(G),S_CUTQ(h)::S(D)
- S(j);N_GUARD::B(F)
- S(j);N_GUARD::B(F),XS(j)
- Tries
- Try
- S(B);CHECK
- Vars
- K(d);P_SPINB(i),S_FLIGHT,XP(E)::QAR2(G)
- Refutation
- K(d);P-FLIGHT
- Try
- R(I);CHECK
- Vars
- B(i);N_GUARD,P_PINQ(G),P_SPINB(i)::R1(I),XB(i)
- S(j);P_SPINS(j)::B(F)
- Refutation
- B(i);P_PINQ(G),P_SPINB(i)
- Try
- R(I);XS(j)
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD::S(D)
- Q(h);N_GUARD::S(D),XB(i)
- B(i);P_PINQ(G)::B(F)
- Refutation
- B(i);CHECK,P_PINQ(G),XR(I)
- Try
- Q(G);CHECK
- Refutation
- R(c);XQ(G)
- Try
- P(E);XQ(h)
- Threat
- DUALS(2)
- Vars
- R(c);::S(D),XB(i)
- B(i);::S(D)
- B(i);::R(A)
- P(a);::S(D),XB(i)
- Refutation
- P(g);XS(D)
- Try
- Actual
- B(F);
- Threat
- QAB1(G)
- Vars
- Q(h);N_GUARD::S(D)
- Q(h);N_GUARD::S(D),XB(i)
- B(i);P_PINQ(G)::R(A)
- B(i);P_PINQ(G),S_CUTR(b)::B(F),XP(a)
- B(i);P_PINQ(G),S_CUTR(c)::R1(A)
- B(i);P_PINQ(G),SBLOCK::B(F)
- B(i);P_PINQ(G),S_CUTQ(h)::S(D)
Developed and maintained by Brian Stephenson.
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