MESON Chess Problem Database
Problem Display
PID: 65143 (7K/2B2p2/2PR1npN/R1pbk3/r2r1nP1/q5P1/p2N1Q2/1B6 w - - 0 1)
Buchwald, Julius
2nd Prize, The Problemist, 1946
#2
11 + 11
| 5759 | Selected Compositions of Julius Buchwald | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Sxf7#
- 1...Bg2
- 2.Sxf7#
- 1...Bb3
- 2.Sf3#
- 1...Bf3
- 2.Sxf7#
- 1...Bc4
- 2.Qxd4#
- 1...Be4
- 2.Sxf7#
- 2.Qxf4#
- 2.gxf4#
- 1...Bxc6
- 2.Sxf7#
- 1...Be6
- 2.Rxd4#
- 1...Se2
- 2.Rxf6#
- 2.Qxf6#
- 1...Sg2
- 2.Rxf6#
- 2.Qxf6#
- 1...Sd3
- 2.Rxf6#
- 2.Qxf6#
- 1...Sh3
- 2.Rxf6#
- 2.Qxf6#
- 1...S4h5
- 2.Rxf6#
- 1...Se6
- 2.Sxf7#
- 1...Se4
- 2.Qxf4#
- 2.gxf4#
- 1...Sxg4
- 2.Sxg4#
- 2.Rxg6#
- 1...S6h5
- 2.Rxg6#
- 1...Sd7
- 2.Rxg6#
- 1...Sh7
- 2.Rxg6#
- 1...Sg8
- 2.Rxg6#
- 1...c4
- 2.Sxf7#
- 1...Bh1
- Tries
- 1.Sf3+?
- 1...Bxf3
- 2.Sxf7#
- 1...Qxf3!
- 1...Bxf3
- 1.Bf5?
- threat
- 2.Re6#
- 2.Rd7#
- 2.Rd8#
- 1...Bxc6
- 2.Sxf7#
- 2.Rxd4#
- 1...Sxg4
- 2.Re6#
- 2.Rxg6#
- 1...Bh1
- 2.Sxf7#
- 2.Rxd4#
- 1...Bg2
- 2.Sxf7#
- 2.Rxd4#
- 1...Bb3
- 2.Sf3#
- 2.Rxd4#
- 1...Bf3
- 2.Sxf7#
- 2.Rxd4#
- 1...Bc4
- 2.Rxd4#
- 2.Qxd4#
- 1...Be4
- 2.Sxf7#
- 2.Rxd4#
- 2.Qxf4#
- 2.gxf4#
- 1...Be6
- 2.Rxd4#
- 1...Se6
- 2.Sxf7#
- 2.Rxe6#
- 1...Se4
- 2.Re6#
- 2.Qxf4#
- 2.gxf4#
- 1...S6h5
- 2.Re6#
- 2.Rxg6#
- 1...Sd7
- 2.Re6#
- 2.Rxg6#
- 1...Sh7
- 2.Re6#
- 2.Rxg6#
- 1...Se8
- 2.Re6#
- 1...Sg8
- 2.Re6#
- 2.Rxg6#
- 1...c4
- 2.Sxf7#
- 2.Rdxd5#
- 2.Re6#
- 1...gxf5!
- threat
- 1.Rxd5+?
- 1...Ke6
- 2.Re5#
- 1...Kxd5!
- 1...Ke6
- 1.Qe3+?
- 1...Re4
- 2.Sf3#
- 2.gxf4#
- 1...Be4
- 2.Sf3#
- 2.Sxf7#
- 2.Qxf4#
- 2.gxf4#
- 1...Se4
- 2.Sf3#
- 2.Rxg6#
- 2.Qxf4#
- 2.gxf4#
- 1...Qxe3!
- 1...Re4
- 1.Sf3+?
- Keys
- 1.g5!
- threat
- 2.Rxf6#
- 1...Bxc6
- 2.Sxf7#
- 1...Bh1
- 2.Sxf7#
- 1...Bg2
- 2.Sxf7#
- 1...Bb3
- 2.Sf3#
- 1...Bf3
- 2.Sxf7#
- 1...Bc4
- 2.Qxd4#
- 1...Be4
- 2.Qxf4#
- 2.gxf4#
- 1...Be6
- 2.Rxd4#
- 1...Se6
- 2.Sxf7#
- 2.Qxf6#
- 1...Se4
- 2.Qxf4#
- 2.gxf4#
- 1...Sg4
- 2.Sxg4#
- 2.Rf6#
- 2.Rxg6#
- 1...S6h5
- 2.Sg4#
- 2.Rf6#
- 2.Rxg6#
- 1...Sd7
- 2.Sg4#
- 2.Rf6#
- 2.Rxg6#
- 1...Sh7
- 2.Sg4#
- 2.Rf6#
- 2.Rxg6#
- 1...Se8
- 2.Sg4#
- 1...Sg8
- 2.Sg4#
- 2.Rf6#
- 2.Rxg6#
- 1...c4
- 2.Sxf7#
- threat
- 1.g5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- B(g);N_GUARD,P_SPINP(f)::S(I),XP(k)
- B(g);N_GUARD,P_SPINP(f),S_CUTQ(b)::S(B)
- B(g);P_SPINP(f),S_CUTR(c)::QAB1(C),XR(d)
- B(g);N_GUARD,P_SPINP(f),XP(G)::S(I),XP(k)
- B(g);OGATE,P_SPINP(f),SBLOCK::B(J)+R(H),XR(d)
- S(e);::B(J)+R(H),XS(i)
- S(e);S_CUTB(g)::S(I),XP(k)
- S(i);OGATE::B(J)+R(H),XP(j)
- P(f);P_SPINB(g)::S(I),XP(k)
- Tries
- Try
- S(B);CHECK
- Vars
- B(g);P_SPINP(f),XS(B)::S(I),XP(k)
- Refutation
- Q(b);XS(B)
- Try
- B(A);
- Threat
- DUALS(3)
- Vars
- B(g);OGATE,P_SPINP(f)::B(J)+R(H),XR(d)
- S(i);::B(J)+R(H),DCHECK
- Refutation
- P(j);XB(A)
- Try
- R(H);CHECK,XB(g)
- Vars
- K(h);P-FLIGHT::R1(H)
- Refutation
- K(h);P-FLIGHT,P_SPINP(f),XR(H)
- Try
- Q(C);CHECK
- Refutation
- Q(b);XQ(C)
- Try
- Actual
- P(E);
- Threat
- B(J)+R(H),XS(i)
- Vars
- B(g);N_GUARD,P_SPINP(f),XP(G)::S(I),XP(k)
- B(g);N_GUARD,P_SPINP(f)::S(I),XP(k)
- B(g);N_GUARD,P_SPINP(f),S_CUTQ(b)::S(B)
- B(g);P_SPINP(f),S_CUTR(c)::QAB1(C),XR(d)
- B(g);OGATE,P_SPINP(f),SBLOCK::B(J)+R(H),XR(d)
- S(i);N_GUARD::S(I)
- P(f);P_SPINB(g)::S(I),XP(k)
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