MESON Chess Problem Database
Problem Display
PID: 37513 (1B1rN1n1/Kp3QP1/3p4/R2Nkb2/R2p4/2P2P2/6P1/3r4 w - - 0 1)
Hasenzahl, Karl
5th Prize, Israel Problemists' Association, 1955
#2
11 + 8
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.cxd4#
- 1...Rb1
- 2.cxd4#
- 1...Rc1
- 2.cxd4#
- 1...Re1
- 2.cxd4#
- 1...Rf1
- 2.cxd4#
- 1...Rg1
- 2.cxd4#
- 1...Rh1
- 2.cxd4#
- 1...Rc8
- 2.Bxd6#
- 1...Bb1
- 2.Sb6#
- 1...Bc2
- 2.Sb6#
- 1...Bd3
- 2.cxd4#
- 1...Bh3
- 2.Sb6#
- 1...Be4
- 2.f4#
- 1...Bg4
- 2.Sb6#
- 1...Be6
- 2.Qf4#
- 1...Bg6
- 2.Sb6#
- 1...Bd7
- 2.Bxd6#
- 1...Bh7
- 2.Sb6#
- 1...Bc8
- 2.Sb6#
- 1...Sf6
- 2.Qxf6#
- 1...Sh6
- 2.Qf6#
- 1...Se7
- 2.Qf6#
- 1...dxc3
- 2.f4#
- 1...d3
- 2.Sb6#
- 2.f4#
- 1...Ra1
- Tries
- 1.Se3+?
- 1...b5
- 2.Qxf5#
- 1...Kf4!
- 1...b5
- 1.Se7+?
- 1...b5
- 2.Qxf5#
- 1...Kf4!
- 1...b5
- 1.Sxd6?
- threat
- 2.Sc4#
- 2.Qxf5#
- 2.f4#
- 1...Rxb8
- 2.Sc4#
- 1...dxc3
- 2.Qxf5#
- 2.f4#
- 1...Rf1
- 2.Sc4#
- 2.Qxf5#
- 2.cxd4#
- 1...Rf8
- 2.Sc4#
- 2.Sc8#
- 2.Se8#
- 2.f4#
- 1...Bb1
- 2.Sb6#
- 2.Sc4#
- 2.f4#
- 1...Bc2
- 2.Sb6#
- 2.Sc4#
- 2.f4#
- 1...Bd3
- 2.Sc4#
- 2.cxd4#
- 2.f4#
- 1...Bh3
- 2.Sb6#
- 2.Sc4#
- 2.f4#
- 1...Be4
- 2.Sc4#
- 2.f4#
- 1...Bg4
- 2.Sb6#
- 2.Sc4#
- 2.f4#
- 1...Be6
- 2.Sc4#
- 2.Qf4#
- 2.f4#
- 1...Bg6
- 2.Sb6#
- 2.Sc4#
- 2.f4#
- 1...Bd7
- 2.Sc4#
- 2.Sc8#
- 2.f4#
- 1...Bh7
- 2.Sb6#
- 2.Sc4#
- 2.f4#
- 1...Bc8
- 2.Sb6#
- 2.Sc4#
- 2.f4#
- 1...Sf6
- 2.Sc4#
- 2.Qxf6#
- 2.f4#
- 1...Sh6
- 2.Sc4#
- 2.Qf6#
- 2.f4#
- 1...Se7
- 2.Sc4#
- 2.Qf6#
- 2.f4#
- 1...Rxd6!
- threat
- 1.Rxd4?
- threat
- 2.Sb6#
- 2.f4#
- 1...Rxb8
- 2.f4#
- 1...b5
- 2.f4#
- 1...Ra1
- 2.f4#
- 1...Rb1
- 2.f4#
- 1...Rf1
- 2.Sb6#
- 1...Rc8
- 2.Bxd6#
- 2.f4#
- 1...Bd3
- 2.f4#
- 1...Be4
- 2.Rxe4#
- 2.f4#
- 1...Be6
- 2.Re4#
- 2.Qf4#
- 2.f4#
- 1...Bd7
- 2.Bxd6#
- 2.Re4#
- 2.f4#
- 1...Sf6
- 2.Qxf6#
- 2.f4#
- 1...Se7
- 2.Qf6#
- 2.f4#
- 1...b6
- 2.Sxb6#
- 2.f4#
- 1...Rxd4!
- threat
- 1.Se3+?
- Keys
- 1.g4!
- threat
- 2.Qxf5#
- 1...Bxg4
- 2.Sb6#
- 1...Bb1
- 2.Sb6#
- 1...Bc2
- 2.Sb6#
- 1...Bd3
- 2.cxd4#
- 1...Be4
- 2.f4#
- 1...Be6
- 2.Qf4#
- 1...Bg6
- 2.Sb6#
- 1...Bd7
- 2.Bxd6#
- 1...Bh7
- 2.Sb6#
- 1...Bc8
- 2.Sb6#
- 1...Sf6
- 2.Qxf6#
- 1...Sh6
- 2.Qf6#
- 1...Se7
- 2.Qf6#
- threat
- 1.g4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- R(a);N_GUARD::P(B),XP(b)
- R(g);N_GUARD::B(J),XP(e)
- B(d);::R(E)+S(F)
- B(d);S_CUTR(a)::P(B),XP(b)
- B(d);SBLOCK::P(C)
- B(d);OGATE,SBLOCK::QAB1(H)
- B(d);S_CUTR(g)::B(J),XP(e)
- S(h);N_GUARD::QAB1(H),XS(h)
- S(h);N_GUARD::QAB1(H)
- P(b);XP(B)::P(C)
- Tries
- Try
- S(F);CHECK
- Vars
- P(f);N_SPINP(e),P_SPINP(f)::QAR1(H),XB(d)
- Refutation
- K(c);N_SPINP(e),P_SPINB(d),P_SPINP(b),S_FLIGHT
- Try
- S(F);CHECK
- Vars
- P(f);N_SPINP(e),P_SPINP(f)::QAR1(H),XB(d)
- Refutation
- K(c);N_SPINP(e),P_SPINB(d),P_SPINP(b),S_FLIGHT
- Try
- S(K);XP(e)
- Threat
- DUALS(3)
- Vars
- R(g);XB(J)::S(K)
- Refutation
- R(g);P_SPINR(g),XS(K)
- Try
- R(D);XP(b)
- Threat
- DUALS(2)
- Vars
- R(g);N_SPINP(e),XB(J)::P(C)
- P(f);::P(C)
- R(a);P_PINR(E)::P(C)
- R(a);::P(C)
- R(a);::R(E)+S(F)
- B(d);::P(C)
- Refutation
- R(a);XR(D)
- Try
- Actual
- P(A);
- Threat
- QAR1(H),XB(d)
- Vars
- B(d);XP(A)::R(E)+S(F)
- B(d);::R(E)+S(F)
- B(d);S_CUTR(a)::P(B),XP(b)
- B(d);SBLOCK::P(C)
- B(d);OGATE,SBLOCK::QAB1(H)
- B(d);S_CUTR(g)::B(J),XP(e)
- S(h);N_GUARD::QAB1(H),XS(h)
- S(h);N_GUARD::QAB1(H)
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