MESON Chess Problem Database
Problem Display
PID: 90718 (7b/1B6/R1Np1n2/1pk5/3p2r1/NR1b2nr/6Q1/K5B1 w - - 0 1)
Fleck, Ferenc
Die Schwalbe, 1961
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Bxd4#
- 1...Rg6
- 2.Bxd4#
- 1...Rg7
- 2.Bxd4#
- 1...Rg8
- 2.Bxd4#
- 1...Bb1
- 2.Rc3#
- 2.Rxb5#
- 1...Bc2
- 2.Rc3#
- 2.Rxb5#
- 1...Be4
- 2.Rxb5#
- 1...Bf5
- 2.Rc3#
- 2.Rxb5#
- 1...Bg6
- 2.Rc3#
- 2.Rxb5#
- 1...Bh7
- 2.Rc3#
- 2.Rxb5#
- 1...Rg5
- Tries
- 1.Sb4?
- threat
- 2.Sxd3#
- 2.Rc6#
- 2.Qc6#
- 1...Re4
- 2.Sxd3#
- 2.Rc6#
- 1...Bb1
- 2.Rc6#
- 2.Qc6#
- 1...Bf1
- 2.Rc6#
- 2.Qc6#
- 1...Bc2
- 2.Rc6#
- 2.Qc6#
- 2.Qxc2#
- 1...Be2
- 2.Rc6#
- 2.Qc6#
- 1...Bc4
- 2.Rc6#
- 2.Qc6#
- 1...Bf5
- 2.Rc6#
- 2.Qc6#
- 1...Bg6
- 2.Rc6#
- 2.Qc6#
- 1...Bh7
- 2.Rc6#
- 2.Qc6#
- 1...Sf1
- 2.Rc6#
- 2.Qc6#
- 1...Sh1
- 2.Rc6#
- 2.Qc6#
- 1...Se2
- 2.Rc6#
- 2.Qc6#
- 1...Sge4
- 2.Rc6#
- 1...Sf5
- 2.Rc6#
- 2.Qc6#
- 1...Sgh5
- 2.Rc6#
- 2.Qc6#
- 1...Sfe4
- 2.Sxd3#
- 2.Rc6#
- 1...Sd5
- 2.Sxd3#
- 2.Rc6#
- 2.Qxd5#
- 1...d5
- 2.Sxd3#
- 2.Rc6#
- 1...Be4!
- threat
- 1.Sxd4?
- threat
- 2.Se6#
- 2.Rc6#
- 2.Qc6#
- 1...Rxd4
- 2.Rc6#
- 2.Qc6#
- 1...Re4
- 2.Se6#
- 1...Be4
- 2.Sdc2#
- 2.Se2#
- 2.Sf3#
- 2.Sdxb5#
- 2.Sf5#
- 2.Se6#
- 2.Rxb5#
- 1...Sge4
- 2.Se6#
- 1...Sd5
- 2.Rc6#
- 2.Qxd5#
- 1...Sfh5
- 2.Rc6#
- 2.Qd5#
- 2.Qc6#
- 1...Sd7
- 2.Rc6#
- 2.Qd5#
- 2.Qc6#
- 1...Sh7
- 2.Rc6#
- 2.Qd5#
- 2.Qc6#
- 1...Se8
- 2.Rc6#
- 2.Qd5#
- 2.Qc6#
- 1...Sg8
- 2.Rc6#
- 2.Qd5#
- 2.Qc6#
- 1...d5
- 2.Se6#
- 2.Rc6#
- 1...Sfe4!
- threat
- 1.Se5?
- threat
- 2.Sxd3#
- 2.Rc6#
- 2.Qc6#
- 1...dxe5
- 2.Rc6#
- 2.Qc6#
- 1...Re4
- 2.Sxd3#
- 1...Bb1
- 2.Rxb5#
- 2.Rc6#
- 2.Qc6#
- 1...Bf1
- 2.Rc6#
- 2.Qc6#
- 1...Bc2
- 2.Rxb5#
- 2.Rc6#
- 2.Qc6#
- 2.Qxc2#
- 1...Be2
- 2.Rc6#
- 2.Qc6#
- 1...Bc4
- 2.Rc6#
- 2.Qc6#
- 1...Be4
- 2.Rxb5#
- 1...Bf5
- 2.Rxb5#
- 2.Rc6#
- 2.Qc6#
- 1...Bg6
- 2.Rxb5#
- 2.Rc6#
- 2.Qc6#
- 1...Bh7
- 2.Rxb5#
- 2.Rc6#
- 2.Qc6#
- 1...Sf1
- 2.Rc6#
- 2.Qc6#
- 1...Sh1
- 2.Rc6#
- 2.Qc6#
- 1...Se2
- 2.Rc6#
- 2.Qc6#
- 1...Sf5
- 2.Rc6#
- 2.Qc6#
- 1...Sgh5
- 2.Rc6#
- 2.Qc6#
- 1...Sfe4
- 2.Sxd3#
- 2.Sd7#
- 1...Sd5
- 2.Sxd3#
- 2.Sd7#
- 2.Rc6#
- 2.Qxd5#
- 1...d5
- 2.Sxd3#
- 2.Rc6#
- 1...Sge4!
- threat
- 1.Sd8?
- threat
- 2.Se6#
- 2.Rc6#
- 2.Qc6#
- 1...Sge4
- 2.Se6#
- 1...Bc4
- 2.Rc6#
- 2.Qc6#
- 1...Be4
- 2.Se6#
- 2.Rxb5#
- 1...Bf5
- 2.Rxb5#
- 2.Rc6#
- 2.Qc6#
- 1...Sfe4
- 2.Se6#
- 1...Sd5
- 2.Se6#
- 2.Rc6#
- 2.Qxd5#
- 1...d5
- 2.Se6#
- 2.Rc6#
- 1...Re4!
- threat
- 1.Qc2+?
- 1...Bxc2
- 2.Rxb5#
- 1...Bc4
- 2.Rxb5#
- 1...Kd5!
- 1...Bxc2
- 1.Sb4?
- Keys
- 1.Se7!
- threat
- 2.Rc6#
- 2.Qc6#
- 1...Sge4
- 2.Rc6#
- 1...Re4
- 2.Rc6#
- 1...Be4
- 2.Rxb5#
- 1...Sfe4
- 2.Rc6#
- 1...Sd5
- 2.Rc6#
- 2.Qxd5#
- 1...d5
- 2.Rc6#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- R(e);N_GUARD::B(B),XP(d)
- B(a);N_GUARD::R1(E),XP(f)
- Tries
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- S(b);::R1(F)
- Refutation
- B(a);
- Try
- S(G);XP(d)
- Threat
- DUALS(3)
- Vars
- R(e);::B(B)+S(G),DCHECK
- S(b);::B(B)+S(G),DCHECK
- Refutation
- S(i);P_PINS(G)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(e);::S(G),XB(a)
- B(a);N_GUARD::R1(E),XP(f)
- Refutation
- S(b);
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- S(b);::S(G)
- S(i);::S(G)
- Refutation
- R(e);
- Try
- Q(C);CHECK
- Vars
- B(a);XQ(C)::R1(E),XP(f)
- B(a);P_SPINB(a)::R1(E),XP(f)
- Refutation
- K(g);N_SPINP(d),P-FLIGHT
- Try
- Actual
- S(G);
- Threat
- DUALS(2)
- Vars
- S(b);::R1(F)
- R(e);::R1(F)
- B(a);N_GUARD::R1(E),XP(f)
- S(i);::R1(F)
- P(h);::R1(F)
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