MESON Chess Problem Database
Problem Display
PID: 140035 (5rbB/8/7Q/1RN1Nk2/7p/r2p1P1p/q1B5/6nK w - - 0 1)
Haring, Jacobus
Prize, Gazeta Czestochowska, 1964
#2
8 + 9
| 23 | Die Schwalbe | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Bxd3#
- 1...Ra6
- 2.Bxd3#
- 1...Ra7
- 2.Bxd3#
- 1...Raa8
- 2.Bxd3#
- 1...Rf6
- 2.Qxf6#
- 1...Rfa8
- 2.Qf6#
- 1...Rb8
- 2.Qf6#
- 1...Rc8
- 2.Qf6#
- 1...Rd8
- 2.Qf6#
- 1...Re8
- 2.Qf6#
- 1...Bb3
- 2.Bxd3#
- 1...Bf7
- 2.Qf6#
- 1...Ra5
- Tries
- 1.Sexd3?
- threat
- 2.Qh5#
- 1...Rxd3
- 2.Bxd3#
- 1...Qf7
- 2.Se6#
- 1...Bf7
- 2.Qf6#
- 1...Sxf3!
- threat
- 1.Sg4?
- threat
- 2.Se3#
- 1...Qe6
- 2.Sxe6#
- 1...Rf6
- 2.Qxf6#
- 1...Re8
- 2.Qf6#
- 1...dxc2!
- threat
- 1.Sc6?
- threat
- 2.Sd4#
- 2.Se7#
- 1...Qd5
- 2.Se7#
- 1...Qc4
- 2.Se7#
- 1...Qe6
- 2.Sxe6#
- 2.Sd4#
- 1...Qf7
- 2.Se6#
- 2.Sd4#
- 1...Qa1
- 2.Se7#
- 1...Qb2
- 2.Se7#
- 1...Ra4
- 2.Se7#
- 1...Ra7
- 2.Sd4#
- 2.Bxd3#
- 1...Rf6
- 2.Qxf6#
- 1...Rf7
- 2.Sb3#
- 2.Sd4#
- 1...Rd8
- 2.Se7#
- 2.Qf6#
- 1...Re8
- 2.Sd4#
- 2.Qf6#
- 1...Se2
- 2.Se7#
- 1...Sxf3!
- threat
- 1.Sg6?
- threat
- 2.Sxh4#
- 2.Se7#
- 2.Qh5#
- 1...Qc4
- 2.Se7#
- 2.Qh5#
- 1...Qe6
- 2.Sxh4#
- 2.Qh5#
- 1...Qf7
- 2.Sxh4#
- 2.Qh5#
- 1...Ra4
- 2.Se7#
- 2.Qh5#
- 1...Ra7
- 2.Sxh4#
- 2.Bxd3#
- 2.Qh5#
- 1...Rf6
- 2.Qh5#
- 1...Rf7
- 2.Sxh4#
- 2.Qh5#
- 1...Re8
- 2.Sxh4#
- 2.Qh5#
- 1...Sxf3!
- threat
- 1.Sf7?
- threat
- 2.Sb3#
- 2.Sd6#
- 2.Qg5#
- 2.Qf6#
- 1...Qxf7
- 2.Se6#
- 1...Qxc2
- 2.Sd6#
- 2.Qg5#
- 2.Qf6#
- 1...Rxf7
- 2.Sb3#
- 1...Bxf7
- 2.Qf6#
- 1...Qd5
- 2.Qg5#
- 2.Qf6#
- 1...Qb3
- 2.Sxb3#
- 2.Sd6#
- 2.Qg5#
- 2.Qf6#
- 1...Qc4
- 2.Sd6#
- 2.Qg5#
- 2.Qf6#
- 1...Qe6
- 2.Sxe6#
- 2.Qg5#
- 1...Qa1
- 2.Sd6#
- 2.Qg5#
- 1...Qb2
- 2.Sd6#
- 2.Qg5#
- 1...Rb3
- 2.Sxb3#
- 2.Sd6#
- 2.Qg5#
- 2.Qf6#
- 1...Rc3
- 2.Sd6#
- 2.Qg5#
- 2.Qf6#
- 1...Ra5
- 2.Sd6#
- 2.Bxd3#
- 2.Qg5#
- 2.Qf6#
- 1...Ra6
- 2.Sb3#
- 2.Bxd3#
- 2.Qg5#
- 1...Rb8
- 2.Sd6#
- 2.Qg5#
- 2.Qf6#
- 1...Rc8
- 2.Sd6#
- 2.Qg5#
- 2.Qf6#
- 1...Rd8
- 2.Qg5#
- 2.Qf6#
- 1...Re8
- 2.Sd6#
- 2.Qg5#
- 2.Qf6#
- 1...Sxf3!
- threat
- 1.Sexd3?
- Keys
- 1.Scxd3!
- threat
- 2.Qg6#
- 1...Rxd3
- 2.Bxd3#
- 1...Rf6
- 2.Qxf6#
- 1...Qe6
- 2.Qf4#
- 2.Qh5#
- 1...Qf7
- 2.Sxf7#
- 1...Ra6
- 2.Sb2#
- 1...Bf7
- 2.Qf6#
- 1...Bh7
- 2.Sc4#
- threat
- 1.Scxd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- R(c);N_GUARD::B(B),XP(d)
- R(h);N_GUARD::QAR1(G),XR(h)
- R(h);N_GUARD::QAR1(G)
- B(i);S_CUTR(c)::B(B),XP(d)
- B(i);S_CUTR(h)::QAR1(G)
- Tries
- Try
- S(F);XP(d)
- Threat
- QAR2(G)
- Vars
- R(c);OGATE,P_SPINR(c),XS(F)::B(B),XR(c)
- Q(b);N_GUARD::R(D)+S(E)
- B(i);S_CUTR(h)::QAR1(G)
- Refutation
- S(a);XP(C)
- Try
- S(F);
- Threat
- S(F)
- Vars
- Q(b);N_GUARD::R(D)+S(E),XQ(b)
- R(h);N_GUARD::QAR1(G),XR(h)
- R(h);N_GUARD::QAR1(G)
- Refutation
- P(d);N_SPINP(d),XB(B)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(b);P_PINP(C)::S(F)
- Q(b);::S(F)
- R(c);::S(F)
- R(h);N_GUARD::QAR1(G),XR(h)
- S(a);::S(F)
- Refutation
- S(a);XP(C)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- R(h);::QAR2(G)
- Refutation
- S(a);XP(C)
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- Q(b);N_GUARD,XS(F)::R(D)+S(E)
- R(h);XS(F)::R(D)+S(E)
- B(i);XS(F)::QAR1(G)
- Refutation
- S(a);XP(C)
- Try
- Actual
- S(E);XP(d)
- Threat
- QAB1(G)
- Vars
- R(c);OGATE,P_SPINR(c),XS(E)::B(B),XR(c)
- R(h);N_GUARD::QAR1(G),XR(h)
- Q(b);N_GUARD::R(D)+S(F),XQ(b)
- R(c);N_GUARD::B(B)+S(E)
- B(i);S_CUTR(h)::QAR1(G)
- B(i);N_GUARD::R(D)+S(F)
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