MESON Chess Problem Database
Problem Display
PID: 168255 (q2rr1b1/1n6/3P3R/p1pBk3/5pPB/2K2P2/3R4/4N3 w - - 0 1)
Petite, Efren
Die Schwalbe, 1956
#2
9 + 9
| 5454 | Near Snap | 2018 |
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Rh5#
- 1...Bxd5
- 2.Sd3#
- 1...Sxd6
- 2.Bf6#
- 1...Rxd6
- Tries
- 1.Bc4?
- threat
- 2.Sd3#
- 2.Bf6#
- 2.Re2#
- 2.Rh5#
- 1...Rxd6
- 2.Re2#
- 2.Rh5#
- 1...Sxd6
- 2.Sd3#
- 2.Bf6#
- 1...Qc8
- 2.Sd3#
- 2.Bf6#
- 2.Re2#
- 1...Re6
- 2.Rd5#
- 2.Rh5#
- 1...Rf8
- 2.Sd3#
- 2.Re2#
- 1...Bd5
- 2.Sd3#
- 2.Rxd5#
- 1...Be6
- 2.Bf6#
- 1...Bf7
- 2.Sd3#
- 2.Bf6#
- 2.Re2#
- 1...Bh7
- 2.Bf6#
- 2.Rd5#
- 1...Bxc4!
- threat
- 1.Bf7?
- threat
- 2.Sd3#
- 2.Bf6#
- 2.Re2#
- 2.Rd5#
- 2.Rh5#
- 1...Rxd6
- 2.Re2#
- 2.Rh5#
- 1...Sxd6
- 2.Sd3#
- 2.Bf6#
- 1...Qa6
- 2.Bf6#
- 2.Rd5#
- 2.Rh5#
- 1...Qc8
- 2.Sd3#
- 2.Bf6#
- 2.Re2#
- 2.Rd5#
- 1...Re6
- 2.Rh5#
- 2.Rxe6#
- 1...Bh7
- 2.Bf6#
- 2.Rd5#
- 1...c4
- 2.Bf6#
- 2.Re2#
- 2.Rd5#
- 2.Rh5#
- 1...Bxf7!
- threat
- 1.Bxg8?
- threat
- 2.Sd3#
- 2.Bf6#
- 2.Re2#
- 2.Rd5#
- 2.Rh5#
- 1...Rxd6
- 2.Re2#
- 2.Rh5#
- 1...Sxd6
- 2.Sd3#
- 2.Bf6#
- 1...Qa6
- 2.Bf6#
- 2.Rd5#
- 2.Rh5#
- 1...Qc8
- 2.Sd3#
- 2.Bf6#
- 2.Re2#
- 2.Rd5#
- 1...Re6
- 2.Rh5#
- 2.Rxe6#
- 1...Rf8
- 2.Sd3#
- 2.Re2#
- 2.Rd5#
- 2.Re6#
- 1...c4
- 2.Bf6#
- 2.Re2#
- 2.Rd5#
- 2.Rh5#
- 1...Rxg8!
- threat
- 1.Bc4?
- Keys
- 1.Be6!
- threat
- 2.Rd5#
- 1...Rxd6
- 2.Re2#
- 1...Rxe6
- 2.Rh5#
- 1...Bxe6
- 2.Bf6#
- 1...Sxd6
- 2.Sd3#
- threat
- 1.Be6!
This anticipates 93232(1960)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(g);SBLOCK,XP(H)::R(I)
- B(i);SBLOCK,XB(G)::S(A)
- S(e);SBLOCK,XP(H)::B(F)
- Tries
- Try
- B(G);
- Threat
- DUALS(4)
- Vars
- B(i);::B(F)
- Refutation
- B(i);XB(G)
- Try
- B(G);
- Threat
- DUALS(5)
- Refutation
- B(i);XB(G)
- Try
- B(G);XB(i)
- Threat
- DUALS(5)
- Refutation
- R(h);XB(G)
- Try
- Actual
- B(G);
- Threat
- R1(B)
- Vars
- R(g);SBLOCK,XP(H)::R(B)
- R(h);SBLOCK,XB(G)::R(I)
- B(i);SBLOCK,XB(G)::B(F)
- S(e);SBLOCK,XP(H)::S(A)
Developed and maintained by Brian Stephenson.
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