MESON Chess Problem Database
Problem Display
PID: 67228 (8/b2p4/2p2Q2/Rnpk2NR/p1n5/1r4P1/B1N4K/B6b w - - 0 1)
Goldschmidt, Josef
Chess, 1948
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Se3#
- 2.Qe5#
- 1...Ra3
- 2.Qe5#
- 1...Rd3
- 2.Qe5#
- 1...Re3
- 2.Sxe3#
- 1...Rf3
- 2.Qe5#
- 1...Rxg3
- 2.Qe5#
- 1...Rb4
- 2.Se3#
- 2.Qe5#
- 1...Sb2
- 2.Se3#
- 1...Sd2
- 2.Se3#
- 1...Sca3
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sxa5
- 2.Se3#
- 1...Se5
- 2.Se3#
- 1...Sb6
- 2.Se3#
- 1...Scd6
- 2.Se3#
- 1...Sba3
- 2.Qd4#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sbd6
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- 1...d6
- 2.Qe6#
- 2.Qf7#
- 1...Rb1
- Tries
- 1.Sb4+?
- 1...Rxb4
- 2.Qe5#
- 1...cxb4!
- 1...Rxb4
- 1.Sf3+?
- 1...Ke4
- 2.Qf5#
- 1...Se5!
- 1...Ke4
- 1.Sh3+?
- 1...Ke4
- 2.Sf2#
- 2.Qf5#
- 1...Se5!
- 1...Ke4
- 1.Se4+?
- 1...Kxe4
- 2.Qf5#
- 1...Se5!
- 1...Kxe4
- 1.Sf7+?
- 1...Ke4
- 2.Qf5#
- 1...Se5!
- 1...Ke4
- 1.Sh7+?
- 1...Ke4
- 2.Qf5#
- 1...Se5!
- 1...Ke4
- 1.Bxb3?
- threat
- 2.Se3#
- 2.Qe5#
- 1...Bb8
- 2.Se3#
- 1...Sc3
- 2.Se3#
- 2.Sb4#
- 2.Qd4#
- 1...Sd4
- 2.Se3#
- 2.Sb4#
- 2.Qxd4#
- 1...d6
- 2.Se3#
- 2.Qf5#
- 2.Qe6#
- 2.Qf7#
- 1...axb3!
- threat
- 1.Rxb5?
- threat
- 2.Qd4#
- 1...Rxb5
- 2.Se3#
- 2.Qe5#
- 1...Se5
- 2.Se3#
- 1...Rd3
- 2.Sb4#
- 2.Qe5#
- 1...cxb5!
- threat
- 1.Sb4+?
- Keys
- 1.Rh6!
- threat
- 2.Qf7#
- 1...Sb2
- 2.Se3#
- 1...Se5
- 2.Se3#
- 1...Scd6
- 2.Se3#
- 1...Rc3
- 2.Qf5#
- 1...Rb2
- 2.Qf5#
- 1...Re3
- 2.Sxe3#
- 1...Rf3
- 2.Qe5#
- 1...Sc3
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sbd6
- 2.Qd4#
- 1...Sc7
- 2.Qd4#
- threat
- 1.Rh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(b);P_SPINS(d)::QAR1(I)
- R(b);N_GUARD,P_SPINS(d)::S(C),XR(b)
- R(b);P_SPINS(d),XP(E)::QAR1(I)
- S(d);N_GUARD,P_SPINR(b)::S(C)
- S(d);N_GUARD,P_SPINR(b)::S(C),XS(d)
- S(d);N_GUARD,P_SPINR(b),XR(F)::S(C)
- S(e);N_GUARD,P_SPINP(f)::QAR1(I)
- S(e);N_GUARD,P_SPINP(f)::QAR1(I),XS(e)
- S(e);N_GUARD,P_SPINP(f),SBLOCK::QAR1(I)
- Tries
- Try
- S(C);CHECK
- Vars
- R(b);P_SPINS(d),XS(C)::QAR1(I)
- Refutation
- P(f);P_SPINS(e),XS(C)
- Try
- S(G);CHECK
- Vars
- K(g);S_FLIGHT::QAB1(I)
- Refutation
- S(d);P_SPINR(b),P_SPINS(d)
- Try
- S(G);CHECK
- Refutation
- S(d);P_SPINR(b),P_SPINS(d)
- Try
- S(G);CHECK
- Vars
- K(g);S_FLIGHT,XS(G)::QAB1(I)
- Refutation
- S(d);P_SPINR(b),P_SPINS(d)
- Try
- S(G);CHECK
- Vars
- K(g);S_FLIGHT::QAB1(I)
- Refutation
- S(d);P_SPINR(b),P_SPINS(d)
- Try
- S(G);CHECK
- Vars
- K(g);S_FLIGHT::QAB1(I)
- Refutation
- S(d);P_SPINR(b),P_SPINS(d)
- Try
- B(B);P_PINS(d),XR(b)
- Threat
- DUALS(2)
- Vars
- B(i);P_PINP(E)::S(C)
- Refutation
- P(c);N_SPINS(d),XB(B)
- Try
- R(F);P_PINP(f),XS(e)
- Threat
- QAR1(I)
- Vars
- S(d);N_GUARD,P_SPINR(b)::S(C)
- Refutation
- P(h);N_SPINP(f),XR(F)
- Try
- Actual
- R(H);
- Threat
- QAB(I)
- Vars
- S(d);N_GUARD,P_SPINR(b)::S(C)
- R(b);P_SPINS(d)::QAR2(I)
- R(b);P_PINS(C),P_SPINS(d)::QAR2(I)
- R(b);N_GUARD,P_SPINS(d)::S(C),XR(b)
- R(b);P_SPINS(d)::QAR1(I)
- S(e);N_GUARD,P_SPINP(f)::QAR1(I)
- S(e);N_GUARD,P_SPINP(f)::QAR1(I),XS(e)
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