MESON Chess Problem Database
Problem Display
PID: 73264 (1B1RbR2/4r3/B1N5/8/4NPnp/r3k1p1/8/1n2K2Q w - - 0 1)
Ahues, Herbert Siegfried Oskar
stern, 1993
#2
9 + 8
| 6113 | Problemschach-Jahrbuch (1993) | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rd3#
- 1...Ra2
- 2.Rd3#
- 1...Rd3
- 2.Rxd3#
- 1...Ra4
- 2.Rd3#
- 1...Ra5
- 2.Rd3#
- 1...Re6
- 2.Ba7#
- 1...Ra7
- 2.Bxa7#
- 1...Bd7
- 2.Ba7#
- 1...Sc3
- 2.Rd3#
- 1...Ra1
- Tries
- 1.Sd2?
- threat
- 2.Sf1#
- 2.Sc4#
- 2.Qf3#
- 1...Bxc6
- 2.Sf1#
- 2.Sc4#
- 1...Rc3
- 2.Sf1#
- 2.Qf3#
- 1...Ra4
- 2.Sf1#
- 2.Rd3#
- 2.Qf3#
- 1...Re4
- 2.Sf1#
- 2.Qf3#
- 2.Qxe4#
- 1...Rd7
- 2.Sf1#
- 2.Qf3#
- 2.Qe4#
- 1...Bd7
- 2.Sf1#
- 2.Ba7#
- 2.Qf3#
- 1...Bf7
- 2.Sf1#
- 2.Qf3#
- 1...Sh2
- 2.Sc4#
- 2.Qg1#
- 1...Se5
- 2.Sf1#
- 2.Qe4#
- 2.Qg1#
- 1...g2
- 2.Qh3#
- 1...Sxd2!
- threat
- 1.Sc3?
- threat
- 2.Sd1#
- 2.Sd5#
- 2.Rd3#
- 1...Rxa6
- 2.Sd1#
- 1...Bxc6
- 2.Sd1#
- 2.Rd3#
- 1...Sxc3
- 2.Rd3#
- 1...g2
- 2.Rd3#
- 2.Qh3#
- 1...Ra5
- 2.Sd1#
- 2.Rd3#
- 1...Re5
- 2.Sd1#
- 2.Rd3#
- 1...Rd7
- 2.Qe4#
- 1...Bg6
- 2.Sd1#
- 2.Sd5#
- 1...Bd7
- 2.Sd1#
- 2.Sd5#
- 2.Ba7#
- 1...Bf7
- 2.Sd1#
- 2.Rd3#
- 1...Sf2
- 2.Sd5#
- 1...Se5
- 2.Sd1#
- 2.Sd5#
- 2.Qe4#
- 1...Sf6
- 2.Sd1#
- 2.Rd3#
- 1...Rxc3!
- threat
- 1.Sxg3?
- threat
- 2.Sf1#
- 2.Sf5#
- 1...Ra5
- 2.Sf1#
- 2.Rd3#
- 1...Re5
- 2.Sf1#
- 1...Rc7
- 2.Sf1#
- 2.Qe4#
- 1...Rf7
- 2.Sf1#
- 2.Qe4#
- 1...Bg6
- 2.Sf1#
- 1...Bd7
- 2.Sf1#
- 2.Ba7#
- 1...Sd2
- 2.Sf5#
- 1...Sh2
- 2.Sf5#
- 1...Se5
- 2.Sf1#
- 2.Qe4#
- 1...Sh6
- 2.Sf1#
- 1...hxg3!
- threat
- 1.Sf6?
- threat
- 2.Sxg4#
- 2.Sd5#
- 1...Rxa6
- 2.Sxg4#
- 1...Bxc6
- 2.Sxg4#
- 1...Re5
- 2.Sxg4#
- 1...Se5
- 2.Sd5#
- 2.Qe4#
- 1...g2
- 2.Qh3#
- 1...Rd3
- 2.Sxg4#
- 2.Rxd3#
- 1...Ra5
- 2.Sxg4#
- 2.Rd3#
- 1...Rd7
- 2.Sxg4#
- 2.Qe4#
- 1...Rg7
- 2.Sd5#
- 2.Qe4#
- 1...Bh5
- 2.Sd5#
- 1...Bd7
- 2.Sd5#
- 1...Bf7
- 2.Sxg4#
- 1...Sc3
- 2.Sxg4#
- 2.Rd3#
- 1...Sf2
- 2.Sd5#
- 1...Sh2
- 2.Sd5#
- 1...Sh6
- 2.Sd5#
- 1...Sxf6!
- threat
- 1.Sd4?
- threat
- 2.Sc2#
- 2.Sf5#
- 2.Qf3#
- 1...Rd7
- 2.Sc2#
- 2.Sf5#
- 1...Bd7
- 2.Sc2#
- 1...Ra2
- 2.Sf5#
- 2.Qf3#
- 1...Rc3
- 2.Sf5#
- 2.Qf3#
- 1...Ra5
- 2.Sc2#
- 2.Qf3#
- 1...Re5
- 2.Sc2#
- 2.Qf3#
- 1...Rc7
- 2.Qf3#
- 1...Rf7
- 2.Sc2#
- 2.Qf3#
- 1...Ba4
- 2.Sf5#
- 2.Qf3#
- 1...Bg6
- 2.Sc2#
- 2.Qf3#
- 1...Sd2
- 2.Sc2#
- 2.Sf5#
- 1...Sh2
- 2.Sc2#
- 2.Sf5#
- 1...Se5
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 2.Qf3#
- 1...g2!
- threat
- 1.Sxe7?
- threat
- 2.Sf5#
- 2.Ba7#
- 1...Rxa6
- 2.Sf5#
- 1...Bd7
- 2.Ba7#
- 1...Rb3
- 2.Sf5#
- 1...Rc3
- 2.Sf5#
- 1...Rd3
- 2.Sf5#
- 2.Rxd3#
- 1...Ra4
- 2.Sf5#
- 2.Rd3#
- 1...Ra5
- 2.Rd3#
- 1...Bg6
- 2.Ba7#
- 1...Bf7
- 2.Sf5#
- 1...Se5
- 2.Ba7#
- 1...Sf6
- 2.Sf5#
- 1...Sh6
- 2.Ba7#
- 1...g2!
- threat
- 1.Qg2?
- threat
- 2.Qe2#
- 1...Ra2
- 2.Rd3#
- 1...Sc3
- 2.Rd3#
- 1...Sf2!
- threat
- 1.Qf1?
- threat
- 2.Qe2#
- 1...Ra2
- 2.Qd3#
- 1...Sc3
- 2.Qd3#
- 1...Kxe4!
- threat
- 1.Sd2?
- Keys
- 1.Sd6!
- threat
- 2.Sc4#
- 2.Sf5#
- 1...Rf7
- 2.Sc4#
- 2.Qe4#
- 1...Bf7
- 2.Sf5#
- 1...g2
- 2.Qh3#
- 1...Rc3
- 2.Sf5#
- 1...Ra4
- 2.Sf5#
- 1...Ra5
- 2.Sc4#
- 1...Re4
- 2.Sf5#
- 2.Qxe4#
- 1...Re5
- 2.Sc4#
- 1...Rc7
- 2.Sc4#
- 2.Qe4#
- 1...Rd7
- 2.Sf5#
- 2.Qe4#
- 1...Bg6
- 2.Sc4#
- 1...Bd7
- 2.Ba7#
- 1...Sd2
- 2.Sf5#
- 1...Se5
- 2.Qe4#
- 1...Sh6
- 2.Sc4#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 8
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD::R1(H)
- R(b);N_GUARD::R1(H),XR(b)
- R(g);N_GUARD::B(G)
- R(g);N_GUARD::B(G),XR(g)
- B(h);S_CUTR(g)::B(G)
- S(a);S_CUTR(b)::R1(H)
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- P(d);OGATEB::QAR(B)
- Refutation
- S(a);XS(C)
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- R(b);XB(E)::S(C)
- S(a);XS(C)::R1(H)
- R(g);N_GUARD::QAR1(B)
- S(e);::S(C)
- Refutation
- R(b);XS(C)
- Try
- S(C);XP(d)
- Threat
- DUALS(2)
- Vars
- R(g);::S(C)
- B(h);::S(C)
- S(a);::S(C)
- S(e);::S(C)
- Refutation
- P(f);XS(C)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(b);XB(E)::S(C),XS(e)
- B(h);XS(F)::S(C),XS(e)
- R(g);::S(C),XS(e)
- P(d);OGATEB::QAR(B)
- B(h);::S(C)
- B(h);::S(C),XS(e)
- S(e);::S(C)
- Refutation
- S(e);XS(C)
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(h);::S(F)
- R(g);::QAR1(B)
- S(e);::S(F)
- Refutation
- P(d);
- Try
- S(F);XR(g)
- Threat
- DUALS(2)
- Vars
- R(b);XB(E)::S(F)
- B(h);::B(G)
- R(b);::S(F)
- R(b);N_GUARD::R1(H)
- B(h);::S(F)
- S(e);::B(G)
- S(e);::S(F)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- R(b);N_GUARD::R1(H)
- S(a);S_CUTR(b)::R1(H)
- Refutation
- S(e);
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- R(b);N_GUARD::QAR1(B)
- S(a);S_CUTR(b)::QAR1(B)
- Refutation
- K(c);P-FLIGHT,XS(C)
- Try
- Actual
- S(C);
- Threat
- DUALS(2)
- Vars
- B(h);::S(C)
- P(d);OGATEB::QAR(B)
- R(b);::S(C)
- R(g);::S(C)
- B(h);S_CUTR(g)::B(G)
- S(a);::S(C)
- S(e);S_CUTR(g)::QAR1(B)
- S(e);::S(C)
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