MESON Chess Problem Database
Problem Display
PID: 7061 (8/1p1K4/bR1PRB2/3k4/1P3Q2/8/r1pp3n/q1bNrB2 w - - 0 1)
Ahues, Herbert Siegfried Oskar
3rd HM., Die Schwalbe, 1998
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qc3
- 2.Sxc3#
- 1...Qd4
- 2.Qxd4#
- 1...Qb1
- 2.Sc3#
- 2.Qd4#
- 1...Rxd1
- 2.Qe4#
- 1...Rxf1
- 2.Se3#
- 2.Qe4#
- 1...Re3
- 2.Sxe3#
- 1...Re4
- 2.Qxe4#
- 1...Rb2
- 2.Sc3#
- 2.Qd4#
- 1...Be2
- 2.Se3#
- 2.Qe4#
- 1...Bc4
- 2.Bxc4#
- 2.Qxc4#
- 1...Bb5+
- 2.Rxb5#
- 1...Qc3
- Tries
- 1.Be2?
- threat
- 2.Se3#
- 2.Qe4#
- 1...Bb5+
- 2.Rxb5#
- 1...Rxd1
- 2.Qe4#
- 1...cxd1Q
- 2.Qe4#
- 1...cxd1S
- 2.Qe4#
- 1...cxd1B
- 2.Qe4#
- 1...cxd1R
- 2.Qe4#
- 1...Qc3
- 2.Sxc3#
- 2.Qe4#
- 1...Qd4
- 2.Qxd4#
- 1...Qe5
- 2.Rxe5#
- 2.Qxe5#
- 1...Ra3
- 2.Qe4#
- 1...Bd3
- 2.Se3#
- 1...Sf1
- 2.Qf3#
- 2.Qe4#
- 1...Sg4
- 2.Qf3#
- 2.Qe4#
- 1...Rxe2!
- threat
- 1.Bg2+?
- 1...Re4
- 2.Se3#
- 2.Qxe4#
- 1...Sf3!
- 1...Re4
- 1.Bxa6?
- threat
- 2.Bc4#
- 2.Bxb7#
- 2.Rb5#
- 2.Qc4#
- 1...Rxa6
- 2.Rb5#
- 1...Qc3
- 2.Sxc3#
- 1...Qd4
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- 1...Ra5
- 2.Bc4#
- 2.Bxb7#
- 2.Qc4#
- 1...bxa6!
- threat
- 1.Bxa1?
- threat
- 2.Sc3#
- 2.Qd4#
- 1...Bb5+
- 2.Rxb5#
- 1...Rxd1
- 2.Re5#
- 2.Qe5#
- 2.Qg5#
- 2.Qd4#
- 2.Qe4#
- 2.Qf5#
- 1...Rxa1
- 2.Sc3#
- 1...cxd1Q
- 2.Qd4#
- 1...cxd1S
- 2.Qd4#
- 1...cxd1B
- 2.Qd4#
- 1...cxd1R
- 2.Qd4#
- 1...Re3
- 2.Sxe3#
- 2.Qd4#
- 1...Re4
- 2.Qxe4#
- 1...Rb2
- 2.Sc3#
- 1...Ra3
- 2.Qd4#
- 1...Sf3
- 2.Sc3#
- 1...Bb2!
- threat
- 1.Bc3?
- threat
- 2.Qd4#
- 1...Bb5+
- 2.Rxb5#
- 1...Qxc3
- 2.Sxc3#
- 1...Re4
- 2.Qxe4#
- 1...Sf3!
- threat
- 1.Re3?
- threat
- 2.Qe4#
- 1...Bb5+
- 2.Rxb5#
- 1...Rxe3
- 2.Sxe3#
- 1...Qd4
- 2.Qxd4#
- 1...Qe5
- 2.Qxe5#
- 1...Bd3!
- threat
- 1.Qe3?
- threat
- 2.Qc5#
- 1...Bb5+
- 2.Rxb5#
- 1...Rxe3
- 2.Sxe3#
- 1...Qc3
- 2.Sxc3#
- 1...Qd4
- 2.Qxd4#
- 1...Qe5
- 2.Rxe5#
- 1...Ra5!
- threat
- 1.Qf3+?
- 1...Re4
- 2.Se3#
- 2.Qxe4#
- 1...Sxf3!
- 1...Re4
- 1.Be2?
- Keys
- 1.Bb5!
- threat
- 2.Qc4#
- 1...Bxb5+
- 2.Rxb5#
- 1...Qc3
- 2.Sxc3#
- 1...Qd4
- 2.Qxd4#
- 1...Re4
- 2.Qxe4#
- threat
- 1.Bb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(a);N_GUARD::S(A),XQ(a)
- Q(a);N_GUARD::QAR1(D),XQ(a)
- R(c);N_GUARD,XS(A)::QAB1(D)
- R(c);N_GUARD::S(A),XR(c)
- R(c);N_GUARD::QAB1(D),XR(c)
- B(i);CHECK,N_GUARD::R(E),XB(i)
- Tries
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,N_GUARD::R(E),XB(i)
- R(c);XS(A)::QAB1(D)
- P(e);XS(A)::QAB1(D)
- Q(a);N_GUARD::QAR1(D),XQ(a)
- R(d);::QAB1(D)
- B(i);::S(A)
- Refutation
- R(c);XB(B)
- Try
- B(B);CHECK
- Refutation
- S(g);P_SPINS(g)
- Try
- B(B);XB(i)
- Threat
- DUALS(4)
- Vars
- R(d);XB(B)::R(E)
- Q(a);N_GUARD::S(A),XQ(a)
- Q(a);N_GUARD::QAR1(D),XQ(a)
- R(c);N_GUARD::QAB1(D),XR(c)
- Refutation
- P(j);XB(B)
- Try
- B(H);XQ(a)
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,N_GUARD::R(E),XB(i)
- R(d);XB(H)::S(A)
- P(e);XS(A)::QAR1(D)
- R(c);N_GUARD::QAB1(D),XR(c)
- R(d);::S(A)
- R(d);::QAR1(D)
- S(g);::S(A)
- Refutation
- B(b);
- Try
- B(H);
- Threat
- QAR1(D)
- Vars
- B(i);CHECK,N_GUARD::R(E),XB(i)
- Q(a);XB(H)::S(A),XQ(a)
- R(c);N_GUARD::QAB1(D),XR(c)
- Refutation
- S(g);
- Try
- R(G);
- Threat
- QAB1(D)
- Vars
- B(i);CHECK,N_GUARD::R(E),XB(i)
- R(c);XR(G)::S(A),XR(c)
- Q(a);N_GUARD::QAR1(D),XQ(a)
- Refutation
- B(i);
- Try
- Q(D);
- Threat
- QAR1(D)
- Vars
- B(i);CHECK,N_GUARD::R(E),XB(i)
- R(c);XQ(D)::S(A),XR(c)
- Q(a);N_GUARD::S(A),XQ(a)
- Q(a);N_GUARD::QAR1(D),XQ(a)
- Q(a);N_GUARD::R1(G),XQ(a)
- Refutation
- R(d);
- Try
- Q(D);CHECK
- Refutation
- S(g);XQ(D)
- Try
- Actual
- B(B);
- Threat
- QAB1(D)
- Vars
- B(i);CHECK,OGATE,XB(B)::R(E),XB(i)
- Q(a);N_GUARD::S(A),XQ(a)
- Q(a);N_GUARD::QAR1(D),XQ(a)
- R(c);N_GUARD::QAB1(D),XR(c)
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