MESON Chess Problem Database
Problem Display
PID: 82048 (2N5/2nQ3b/2K5/b1p1B3/2k1n3/P2R4/P3r1N1/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Goteborgsposte, 1951
#2
8 + 7
| 6490 | yacpdb | 2009 |
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Rxa2
- 2.Se3#
- 1...Rb2
- 2.Se3#
- 1...Rc2
- 2.Se3#
- 1...Rd2
- 2.Se3#
- 1...Rf2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Be1
- 2.Sb6#
- 1...Bd2
- 2.Sb6#
- 1...Bc3
- 2.Sb6#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Sb5
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sa6
- 2.Qd5#
- 1...Se6
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Rxa2
- Tries
- 1.Rd1?
- threat
- 2.Qd3#
- 1...Rd2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Bd2
- 2.Sb6#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sd5
- 2.Qxd5#
- 1...Sd2!
- threat
- 1.Rd2?
- threat
- 2.Qd3#
- 1...Rxd2
- 2.Se3#
- 1...Bxd2
- 2.Sb6#
- 1...Re3
- 2.Sxe3#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sd5
- 2.Qxd5#
- 1...Sxd2!
- threat
- 1.Rb3?
- threat
- 2.Qd3#
- 1...Rd2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Bc3
- 2.Sb6#
- 1...Sd2
- 2.Sd6#
- 1...Sf2
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sd5
- 2.Qxd5#
- 1...Sc3!
- threat
- 1.Rc3+?
- 1...Bxc3
- 2.Sb6#
- 1...Sxc3!
- 1...Bxc3
- 1.Re3?
- threat
- 2.Qd3#
- 1...Rxe3
- 2.Sxe3#
- 1...Sd2
- 2.Sd6#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sd5
- 2.Qxd5#
- 1...Rd2!
- threat
- 1.Rg3?
- threat
- 2.Qd3#
- 1...Rd2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Sd2
- 2.Sd6#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sd5
- 2.Qxd5#
- 1...Sxg3!
- threat
- 1.Rh3?
- threat
- 2.Qd3#
- 1...Rd2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Sd2
- 2.Sd6#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sd5
- 2.Qxd5#
- 1...Sg3!
- threat
- 1.Rd4+?
- 1...cxd4
- 2.Qxd4#
- 1...Kc3!
- 1...cxd4
- 1.Rd1?
- Keys
- 1.Rf3!
- threat
- 2.Qd3#
- 1...Rd2
- 2.Se3#
- 1...Re3
- 2.Sxe3#
- 1...Sd2
- 2.Sd6#
- 1...Sf2
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sg3
- 2.Sd6#
- 1...Sg5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sf6
- 2.Sd6#
- 1...Sd5
- 2.Qxd5#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 14
- Sets
- R(a);N_GUARD,XP(A)::S(B)
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- B(d);N_GUARD::S(H)
- B(d);N_GUARD::S(H),XB(d)
- S(f);N_GUARD::QAB1(G)
- S(f);N_GUARD::QAB1(G),XS(f)
- Tries
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- B(d);N_GUARD::S(H)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- S(c);
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(a);N_GUARD,XR(D)::S(B)
- B(d);N_GUARD,XR(D)::S(H)
- R(a);N_GUARD::S(B),XR(a)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- S(c);XR(D)
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- B(d);N_GUARD::S(H)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- S(c);
- Try
- R(D);CHECK
- Vars
- B(d);XR(D)::S(H)
- Refutation
- S(c);XR(D)
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(a);XR(D)::S(B),XR(a)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- R(a);
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- S(c);XR(D)
- Try
- R(D);
- Threat
- QAB1(G)
- Vars
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(f);N_GUARD::QAB1(G),XS(f)
- Refutation
- S(c);
- Try
- R(D);CHECK
- Vars
- P(e);OGATE,XR(D)::QAR1(G),XP(e)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- R(D);
- Threat
- QAB1(G)
- Vars
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- S(c);N_GUARD::S(H)
- S(c);N_GUARD::S(H),XS(c)
- S(f);N_GUARD::QAB1(G),XS(f)
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