MESON Chess Problem Database
Problem Display
PID: 81967 (1B6/3BpK2/NRP2pQ1/3kr3/bR1N4/2Pr4/3p1p1b/5q2 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Die Schwalbe, 1975
#2
10 + 10
| 6490 | yacpdb | 2009 |
| 133 | The Problemist Supplement | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Rxd4#
- 1...Rg5
- 2.Be6#
- 1...Rh5
- 2.Be6#
- 1...Re6
- 2.Bxe6#
- 1...Bd1
- 2.R6b5#
- 1...Bc2
- 2.R6b5#
- 1...Bb3
- 2.R6b5#
- 1...Bb5
- 2.R6xb5#
- 1...Bxc6
- 2.Bxc6#
- 1...Rxd4
- Tries
- 1.Sc2?
- threat
- 2.c4#
- 1...Rxc3
- 2.Rd4#
- 1...Bxc2
- 2.R6b5#
- 1...Rde3
- 2.Rd4#
- 1...Rf3
- 2.Rd4#
- 1...Rg3
- 2.Rd4#
- 1...Rh3
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rf5
- 2.Be6#
- 1...Bb3
- 2.R6b5#
- 1...Bb5
- 2.R6xb5#
- 1...f5!
- threat
- 1.Sf3?
- threat
- 2.c4#
- 1...Rxc3
- 2.Rd4#
- 1...Rxf3
- 2.Rd4#
- 1...Qc1
- 2.Qxd3#
- 1...Rde3
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rf5
- 2.Be6#
- 1...Bb3
- 2.R6b5#
- 1...Bb5
- 2.R6xb5#
- 1...f5!
- threat
- 1.Sb5?
- threat
- 2.c4#
- 1...Rxc3
- 2.Sxc3#
- 2.Rd4#
- 1...Bxb5
- 2.R6xb5#
- 1...f5
- 2.Sbc7#
- 1...Qc1
- 2.Qxd3#
- 1...Rde3
- 2.Rd4#
- 1...Rf3
- 2.Rd4#
- 1...Rg3
- 2.Rd4#
- 1...Rh3
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rf5
- 2.Be6#
- 1...Bb3!
- threat
- 1.Se6?
- threat
- 2.c4#
- 1...Rxc3
- 2.Rd4#
- 1...Rxe6
- 2.Bxe6#
- 1...f5
- 2.Sec7#
- 1...Qc1
- 2.Qxd3#
- 1...Rde3
- 2.Rd4#
- 1...Rf3
- 2.Rd4#
- 1...Rg3
- 2.Sf4#
- 2.Rd4#
- 1...Rh3
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Re4
- 2.Qxe4#
- 1...Bb3
- 2.R6b5#
- 1...Bb5
- 2.R6xb5#
- 1...Rf5!
- threat
- 1.Qxd3?
- threat
- 2.Se2#
- 2.c4#
- 1...d1Q
- 2.c4#
- 1...d1R
- 2.c4#
- 1...Qe2
- 2.Sxe2#
- 2.c4#
- 1...Qh3
- 2.Sf3#
- 2.c4#
- 1...Qb1
- 2.Sc2#
- 2.c4#
- 1...Qc1
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Se6#
- 1...Re2
- 2.Sc2#
- 2.Sxe2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sf5#
- 2.Se6#
- 2.c4#
- 1...Re3
- 2.c4#
- 1...Re4
- 2.c4#
- 1...Bc2
- 2.R4b5#
- 2.R6b5#
- 2.c4#
- 1...Bb3
- 2.Se2#
- 2.R4b5#
- 2.R6b5#
- 1...Bb5
- 2.R4xb5#
- 2.R6xb5#
- 1...Qxd3!
- threat
- 1.Qf5?
- threat
- 2.Be6#
- 1...e6
- 2.Bxe6#
- 1...Rxf5!
- threat
- 1.Sc2?
- Keys
- 1.Sb3!
- threat
- 2.c4#
- 1...Rxc3
- 2.Rd4#
- 1...Bxb3
- 2.R6b5#
- 1...f5
- 2.Sc7#
- 1...Qc1
- 2.Qxd3#
- 1...Rde3
- 2.Rd4#
- 1...Rf3
- 2.Rd4#
- 1...Rg3
- 2.Rd4#
- 1...Rh3
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Re4
- 2.Qxe4#
- 1...Rf5
- 2.Be6#
- 1...Bb5
- 2.R6xb5#
- threat
- 1.Sb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 6
- Sets
- R(e);OGATE,XS(C)::R1(B),XR(e)
- R(h);N_GUARD::B(H)
- R(h);N_GUARD::B(H),XR(h)
- B(f);N_GUARD::R(E)
- B(f);N_GUARD::R(E),XB(f)
- B(f);OGATE,XP(F)::B(H),XB(f)
- Tries
- Try
- S(C);
- Threat
- P(A)
- Vars
- R(e);N_GUARD,XP(A)::R1(B)
- B(f);N_GUARD,XS(C)::R(E)
- R(e);N_GUARD::R1(B)
- R(e);N_GUARD::R1(B),XR(e)
- R(h);N_GUARD::QAB1(G),XR(h)
- R(h);N_GUARD::B(H)
- B(f);N_GUARD::R(E)
- B(f);N_GUARD::R(E),XB(f)
- Refutation
- P(i);
- Try
- S(C);
- Threat
- P(A)
- Vars
- R(e);N_GUARD,XP(A)::R1(B)
- R(e);N_GUARD,XS(C)::R1(B)
- Q(a);N_GUARD::QAR2(G),XR(e)
- R(e);N_GUARD::R1(B)
- R(e);N_GUARD::R1(B),XR(e)
- R(h);N_GUARD::QAB1(G),XR(h)
- R(h);N_GUARD::B(H)
- B(f);N_GUARD::R(E)
- B(f);N_GUARD::R(E),XB(f)
- Refutation
- P(i);
- Try
- S(C);
- Threat
- P(A)
- Vars
- B(f);OGATE,XS(C)::R(E),XB(f)
- P(i);::S(C)
- Q(a);N_GUARD::QAR2(G),XR(e)
- R(e);N_GUARD::R1(B)
- R(e);N_GUARD::R1(B),XR(e)
- R(h);N_GUARD::QAB1(G),XR(h)
- R(h);N_GUARD::B(H)
- Refutation
- B(f);
- Try
- S(C);
- Threat
- P(A)
- Vars
- R(e);N_GUARD,XP(A)::R1(B)
- R(h);OGATE,XS(C)::B(H),XR(h)
- P(i);::S(C)
- Q(a);N_GUARD::QAR2(G),XR(e)
- R(e);N_GUARD::R1(B)
- R(e);N_GUARD::R1(B),XR(e)
- R(h);N_GUARD::QAB1(G),XR(h)
- B(f);N_GUARD::R(E)
- B(f);N_GUARD::R(E),XB(f)
- Refutation
- R(h);
- Try
- Q(G);XR(e)
- Threat
- DUALS(2)
- Vars
- P(b);::P(A)
- R(h);::P(A)
- Refutation
- Q(a);XQ(G)
- Try
- Q(G);P_PINR(h)
- Threat
- B(H)
- Vars
- P(j);::B(H),XP(j)
- Refutation
- R(h);N_SPINR(h),XQ(G)
- Try
- Actual
- S(C);
- Threat
- P(A)
- Vars
- R(e);N_GUARD,XP(A)::R1(B)
- B(f);N_GUARD,XS(C)::R(E)
- P(i);::S(D)
- Q(a);N_GUARD::QAR2(G),XR(e)
- R(e);N_GUARD::R1(B)
- R(e);N_GUARD::R1(B),XR(e)
- R(h);N_GUARD::QAB1(G),XR(h)
- R(h);N_GUARD::B(H)
- B(f);N_GUARD::R(E),XB(f)
Developed and maintained by Brian Stephenson.
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