MESON Chess Problem Database
Problem Display
PID: 179905 (4r3/Q1p5/1nKp4/4P3/1RNkNp2/1Pp1nR1p/8/1B4B1 w - - 0 1)
Gross, Erwin
Prize, Arbeiter Zeitung, 1975
#2
10 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxe5
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Scxd6#
- 1...dxe5
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Scd6#
- 1...Rxe5
- Tries
- 1.Sf2?
- threat
- 2.Rxf4#
- 1...Rxe5
- 2.Sxe3#
- 1...Sxc4
- 2.Sg4#
- 1...dxe5
- 2.Sxe3#
- 1...c2
- 2.Qa1#
- 1...Sg2
- 2.Rd3#
- 1...Sd5
- 2.Rd3#
- 1...Rf8!
- threat
- 1.Sxc3?
- threat
- 2.Se2#
- 2.Sb5#
- 1...Rxe5
- 2.Se2#
- 1...Kxc3!
- threat
- 1.Sg3?
- threat
- 2.Se2#
- 2.Sf5#
- 2.Rxf4#
- 1...Rxe5
- 2.Se2#
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sxd6#
- 1...fxg3
- 2.Bxe3#
- 2.Rf4#
- 1...dxe5
- 2.Se2#
- 2.Sf5#
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sd6#
- 1...Rf8
- 2.Se2#
- 1...c2!
- threat
- 1.Sg5?
- threat
- 2.Rxf4#
- 1...Rxe5
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sxd6#
- 1...dxe5
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sd6#
- 1...Rf8
- 2.Se6#
- 1...c2!
- threat
- 1.Sexd6?
- threat
- 2.Sb5#
- 2.Sf5#
- 2.Rxf4#
- 1...Rxe5
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 1...cxd6
- 2.Rxf4#
- 2.Qxb6#
- 1...Rf8
- 2.Sb5#
- 1...Re6
- 2.Rxf4#
- 1...c2!
- threat
- 1.Sf6?
- threat
- 2.Rxf4#
- 1...Rxe5
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sxd6#
- 1...dxe5
- 2.Sb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sd6#
- 1...c2!
- threat
- 1.Rxe3?
- threat
- 2.Re1#
- 2.Re2#
- 2.Rxc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rxh3#
- 1...fxe3
- 2.Bxe3#
- 1...Rg8
- 2.Rg3#
- 1...c2
- 2.Qa1#
- 1...f3
- 2.Rxf3#
- 1...h2!
- threat
- 1.Rxf4?
- threat
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sexd6#
- 2.Sf6#
- 2.Bxe3#
- 1...Rxe5
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Scxd6#
- 2.Bxe3#
- 1...dxe5
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sa5#
- 2.Sxb6#
- 2.Scd6#
- 2.Bxe3#
- 1...Rf8
- 2.Sf6#
- 2.Bxe3#
- 1...d5
- 2.Sed2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sed6#
- 2.Sf6#
- 2.Bxe3#
- 1...c2!
- threat
- 1.Qa5?
- threat
- 2.Sxb6#
- 1...Sxc4
- 2.Rxc4#
- 2.Qd5#
- 1...Sa4
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sb6#
- 2.Scxd6#
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sd7
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sb6#
- 2.Scxd6#
- 2.Qd5#
- 1...Sa8
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sb6#
- 2.Scxd6#
- 2.Qd5#
- 1...Sc8
- 2.Sb2#
- 2.Scd2#
- 2.Sa3#
- 2.Sxe3#
- 2.Sb6#
- 2.Scxd6#
- 2.Qd5#
- 1...d5
- 2.Qc5#
- 1...c2!
- threat
- 1.Sf2?
- Keys
- 1.Sc5!
- threat
- 2.Rxf4#
- 1...Rxe5
- 2.Sxb6#
- 1...Sxc4
- 2.Sd7#
- 1...dxe5
- 2.Sxb6#
- 1...c2
- 2.Qa1#
- 1...Rf8
- 2.Se6#
- 1...Sd5
- 2.Se6#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(G);N_PINS(b),P_PINS(f)
- Threat
- R(D),XP(e)
- Vars
- R(i);SBLOCK,XP(H)::R(E)+S(F),XS(b)
- S(b);N_SPINS(f),P_SPINS(b),XS(F)::B(B)+S(G)
- P(g);SBLOCK,XP(H)::R(E)+S(F),XS(b)
- P(a);OGATEB::QAB(J)
- S(b);OGATE::R1(D)
- Refutation
- R(i);
- Try
- S(G);XP(a)
- Threat
- DUALS(2)
- Vars
- R(i);XP(H)::S(G)
- Refutation
- K(d);S_FLIGHT,XS(G)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(i);::S(G)
- Refutation
- P(a);
- Try
- S(G);
- Threat
- R(D),XP(e)
- Vars
- R(i);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- S(G);XP(g)
- Threat
- DUALS(3)
- Vars
- R(i);::S(G)
- R(i);P_PINS(G)::R(D),XP(e)
- Refutation
- P(a);
- Try
- S(G);
- Threat
- R(D),XP(e)
- Refutation
- P(a);
- Try
- R(D);P_PINS(f),XS(b)
- Threat
- DUALS(6)
- Vars
- P(e);OGATE,P_SPINP(e),XR(D)::B(B),XP(e)
- R(i);::B(B)+R(D)
- P(a);OGATEB::QAB(J)
- P(e);::B(B)+R(D),XP(e)
- Refutation
- P(c);
- Try
- R(D);XP(e)
- Threat
- DUALS(8)
- Refutation
- P(a);
- Try
- Q(J);
- Threat
- R(E)+S(F),XS(f)
- Vars
- S(f);N_GUARD::QAR1(J),XS(f)
- P(g);N_GUARD::QAB1(J)
- Refutation
- P(a);
- Try
- Actual
- S(G);
- Threat
- R(D),XP(e)
- Vars
- R(i);SBLOCK,XP(H)::R(E)+S(F),XS(f)
- S(f);XS(F)::QAB(J)+S(G)
- P(g);SBLOCK,XP(H)::R(E)+S(F),XS(f)
- P(a);OGATEB::QAB(J)
- R(i);N_GUARD::S(G)
- S(f);::QAB(J)+S(G),DCHECK
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