MESON Chess Problem Database
Problem Display
PID: 93050 (7B/6R1/5R2/8/8/8/b1p5/k1K5 w - - 0 1)
Hildebrand, Alexander
Tidskrift for Schack, 1963
#2
4 + 3
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2017 |
SOLUTION
- SOUND
- Tries
- 1.Rf1?
- threat
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rgf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rf2?
- threat
- 2.Rg1#
- 2.Rgg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rgf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rf3?
- threat
- 2.Rg1#
- 2.Rg2#
- 2.Rgg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rgf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rf4?
- threat
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rgg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rgf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rf5?
- threat
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rgg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rgf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rb6?
- threat
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rgg6#
- 2.Ra7#
- 2.Rgb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rc6?
- threat
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rgg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rgc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rd6?
- threat
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rgg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rgd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rfg6?
- threat
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rh6?
- threat
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rgg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rgh7#
- 2.Rg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rf8?
- threat
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rgf7#
- 2.Rh7#
- 2.Rgg8#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bg8
- 2.Ra7#
- 1...Bf7!
- threat
- 1.Rg1?
- threat
- 2.Rff1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 2.Rf7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rg2?
- threat
- 2.Rf1#
- 2.Rff2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 2.Rf7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rg3?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rff3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 2.Rf7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rg4?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 2.Rf7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rg5?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rff5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 2.Rf7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rgg6?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rf7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rb7?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rfb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rh6#
- 2.Rff7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rc7?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rfc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rh6#
- 2.Rff7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rd7?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rfd6#
- 2.Re6#
- 2.Rg6#
- 2.Rh6#
- 2.Rff7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Re7?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Rfe6#
- 2.Rg6#
- 2.Rh6#
- 2.Rff7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rgf7?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rh6#
- 1...Bxf7
- 2.Ra6#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rh7?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rfh6#
- 2.Rff7#
- 2.Rf8#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Bg8
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rg8?
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rfg6#
- 2.Rh6#
- 2.Rf7#
- 2.Rff8#
- 1...Bxg8
- 2.Ra6#
- 1...Bb1
- 2.Ra6#
- 1...Bb3
- 2.Ra6#
- 1...Bc4
- 2.Ra6#
- 1...Bd5
- 2.Ra6#
- 1...Bf7
- 2.Ra6#
- 1...Be6!
- threat
- 1.Rf1?
- Keys
- 1.Re6!
- threat
- 2.Rg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rgg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Rge7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bxe6
- 2.Ra7#
- 1...Bb1
- 2.Ra7#
- 1...Bb3
- 2.Ra7#
- 1...Bc4
- 2.Ra7#
- 1...Bd5
- 2.Ra7#
- threat
- 1.Re6!
This anticipates 162610(1969)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(8)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(C),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(12)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(12)
- Vars
- B(b);XR(C)::B(D)+R(B),DCHECK
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(14)
- Vars
- B(b);XR(C)::B(D)+R(B),DCHECK
- B(b);::B(D)+R(B),DCHECK
- Refutation
- B(b);
- Try
- Actual
- R(B);
- Threat
- DUALS(14)
- Vars
- B(b);XR(B)::B(D)+R(C),DCHECK
- B(b);::B(D)+R(C),DCHECK
Developed and maintained by Brian Stephenson.
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