MESON Chess Problem Database
Problem Display
PID: 187784 (8/3Q4/3P4/3Rp3/4knbR/1BP5/6PK/2B5 w - - 0 1)
Haller, Paul
Chess Weekly, 1909
#2
9 + 4
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Qh7#
- 1...Be2
- 2.Qh7#
- 1...Bf3
- 2.Qh7#
- 1...Bf5
- 2.Qa4#
- 1...Se2
- 2.Qh7#
- 1...Sd3
- 2.Qh7#
- 1...Sh3
- 2.Qh7#
- 1...Sxd5
- 2.Bc2#
- 2.Qh7#
- 1...Sh5
- 2.Qh7#
- 1...Se6
- 2.Qh7#
- 1...Bd1
- Tries
- 1.Rxe5+?
- 1...Kd3
- 2.Re3#
- 1...Kxe5!
- 1...Kd3
- 1.Qb5?
- threat
- 2.Rxe5#
- 1...Sxg2
- 2.Qd3#
- 1...Sxd5
- 2.Bc2#
- 1...Sd3
- 2.Qxd3#
- 1...Sg6
- 2.Bc2#
- 2.Qd3#
- 1...Kf5!
- threat
- 1.Qf7?
- 1...Sxg2
- 2.Bc2#
- 1...Sxd5
- 2.Bc2#
- 2.Qg6#
- 2.Qf3#
- 2.Qh7#
- 1...Bd1
- 2.Qg6#
- 2.Qh7#
- 1...Be2
- 2.Qg6#
- 2.Qh7#
- 1...Bf3
- 2.Bc2#
- 2.Qg6#
- 2.Qh7#
- 1...Bh3
- 2.Bc2#
- 1...Bf5
- 2.Bc2#
- 1...Bh5
- 2.Bc2#
- 1...Bd7
- 2.Bc2#
- 1...Bc8
- 2.Bc2#
- 1...Se2
- 2.Bc2#
- 2.Qg6#
- 2.Qf3#
- 2.Qh7#
- 1...Sd3
- 2.Qg6#
- 2.Qf3#
- 2.Qh7#
- 1...Sh3
- 2.Bc2#
- 2.Qg6#
- 2.Qf3#
- 2.Qh7#
- 1...Sh5
- 2.Bc2#
- 2.Qg6#
- 2.Qf3#
- 2.Qh7#
- 1...Se6
- 2.Qg6#
- 2.Qf3#
- 2.Qh7#
- 1...Sg6
- 2.Bc2#
- 2.Qxg6#
- 2.Qf3#
- 1...Be6!
- 1...Sxg2
- 1.Qg7?
- threat
- 2.Qxe5#
- 1...Kf5
- 2.Rxe5#
- 1...Sxd5
- 2.Bc2#
- 2.Qg6#
- 2.Qh7#
- 1...Sd3
- 2.Qg6#
- 2.Qh7#
- 1...Sg6
- 2.Qxg6#
- 1...Sxg2!
- threat
- 1.Qh7+?
- 1...Sg6
- 2.Qxg6#
- 1...Bf5!
- 1...Sg6
- 1.Rxe5+?
- Keys
- 1.Rd1!
- 1...Bxd1
- 2.Qh7#
- 1...Bxd7
- 2.Bc2#
- 1...Sxg2
- 2.Bd5#
- 1...Be6
- 2.Bc2#
- 1...Se6
- 2.Bc2#
- 2.Qh7#
- 1...Be2
- 2.Bd5#
- 2.Qh7#
- 1...Bf3
- 2.Bc2#
- 2.Bd5#
- 2.Qh7#
- 1...Bh3
- 2.Bc2#
- 2.Bd5#
- 1...Bf5
- 2.Bc2#
- 2.Bd5#
- 2.Qa4#
- 2.Qc6#
- 2.Qb7#
- 1...Bh5
- 2.Bc2#
- 2.Bd5#
- 1...Se2
- 2.Bc2#
- 2.Bd5#
- 2.Qh7#
- 1...Sd3
- 2.Qh7#
- 1...Sh3
- 2.Bc2#
- 2.Bd5#
- 2.Qh7#
- 1...Sd5
- 2.Bc2#
- 2.Bxd5#
- 2.Qh7#
- 1...Sh5
- 2.Bc2#
- 2.Bd5#
- 2.Qh7#
- 1...Sg6
- 2.Bc2#
- 2.Bd5#
- 1...Bxd1
- 1.Rd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- B(c);N_GUARD,P_SPINS(b)::QAB(I)
- B(c);P_SPINS(b),SBLOCK::QAR(I)
- S(b);N_GUARD,P_SPINB(c)::QAB(I)
- Tries
- Try
- R(G);CHECK,XP(d)
- Vars
- K(a);OGATE,S_FLIGHT::R1(G)
- Refutation
- K(a);P-FLIGHT,XR(G)
- Try
- Q(I);
- Threat
- R1(G),XP(d)
- Vars
- S(b);N_GUARD,P_SPINB(c),XP(B)::QAB1(I)
- S(b);N_GUARD,P_SPINB(c),XR(G)::B(D)
- S(b);N_GUARD,P_SPINB(c)::QAB1(I),XS(b)
- Refutation
- K(a);P_SPINP(d),S_FLIGHT
- Try
- Q(I);
- Vars
- S(b);N_GUARD,P_SPINB(c),XP(B)::B(D)
- B(c);P_SPINS(b)::B(D)
- Refutation
- B(c);P_SPINS(b)
- Try
- Q(I);
- Threat
- QAR1(I),XP(d)
- Vars
- K(a);P_SPINP(d),S_FLIGHT::R1(G),XP(d)
- S(b);N_GUARD,P_SPINB(c)::QAB(I),XS(b)
- Refutation
- S(b);P_SPINB(c),XP(B)
- Try
- Q(I);CHECK
- Vars
- S(b);N_GUARD,P_SPINB(c),P_SPINS(b)::QAB(I),XS(b)
- Refutation
- B(c);P_SPINB(c),P_SPINS(b)
- Try
- Actual
- R(G);
- Vars
- B(c);N_GUARD,P_SPINS(b),XR(G)::QAB(I)
- B(c);P_SPINS(b),XQ(I)::B(D)
- S(b);N_GUARD,P_SPINB(c),XP(B)::B(D)
- B(c);P_SPINS(b)::B(D)
- S(b);N_GUARD,P_SPINB(c)::QAB(I)
Developed and maintained by Brian Stephenson.
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