MESON Chess Problem Database
Problem Display
PID: 82424 (7Q/8/4Kn1n/1N1ppp2/1NP1k3/1rR5/3PP3/b2b1R2 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Problemas, 1964
#2
9 + 9
| 23 | Die Schwalbe | 1966 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Re3#
- 1...Rb2
- 2.Re3#
- 1...Rxb4
- 2.Re3#
- 1...Sh5
- 2.Qxe5#
- 1...Sh7
- 2.Qxe5#
- 1...Se8
- 2.Qxe5#
- 1...Sfg8
- 2.Qxe5#
- 1...Sg4
- 2.Qh1#
- 1...Sf7
- 2.Qh1#
- 1...Shg8
- 2.Qh1#
- 1...d4
- 2.Sd6#
- 1...Rb1
- Tries
- 1.Sc2?
- threat
- 2.Sd6#
- 2.d3#
- 1...Rxc3
- 2.Sd6#
- 1...Rxb5
- 2.Re3#
- 2.d3#
- 1...Bxe2
- 2.Sd6#
- 1...dxc4
- 2.Sd6#
- 1...Se8
- 2.Qxe5#
- 2.d3#
- 1...Sf7
- 2.Qh1#
- 2.d3#
- 1...Bxc2!
- threat
- 1.Sxd5?
- threat
- 2.Sxf6#
- 2.d3#
- 1...Rxc3
- 2.Sxf6#
- 1...Bxe2
- 2.Sxf6#
- 1...Sxd5
- 2.Qxe5#
- 1...Bc2
- 2.Sxf6#
- 1...Sfg4
- 2.d3#
- 1...Sh5
- 2.Qxe5#
- 2.d3#
- 1...Sd7
- 2.d3#
- 1...Sh7
- 2.Qxe5#
- 2.d3#
- 1...Se8
- 2.Qxe5#
- 2.d3#
- 1...Sfg8
- 2.Qxe5#
- 2.d3#
- 1...Shg4
- 2.Qh1#
- 2.d3#
- 1...Shg8
- 2.Qh1#
- 2.d3#
- 1...Rxb5!
- threat
- 1.Rd3?
- threat
- 2.Sd6#
- 1...Rxd3
- 2.exd3#
- 1...Sf7
- 2.Qh1#
- 1...Se8!
- threat
- 1.Qxf6?
- threat
- 2.Qxe5#
- 1...Sg4
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Bxc3!
- threat
- 1.Qxh6?
- threat
- 2.Qe3#
- 2.Qh1#
- 2.d3#
- 1...Bxe2
- 2.Qe3#
- 1...dxc4
- 2.Qe3#
- 2.Qh1#
- 1...Bc2
- 2.Qe3#
- 2.Qh1#
- 1...Sg4
- 2.Qh1#
- 2.d3#
- 1...Sh5
- 2.Qe3#
- 2.d3#
- 1...d4
- 2.Sd6#
- 2.Qh1#
- 2.d3#
- 1...f4
- 2.Qg6#
- 1...Rxc3!
- threat
- 1.e3?
- threat
- 2.Sd6#
- 1...Se8
- 2.Qxe5#
- 1...Sf7!
- threat
- 1.Sc2?
- Keys
- 1.Sc6!
- threat
- 2.Sd6#
- 1...Rxb5
- 2.Re3#
- 1...Se8
- 2.Qxe5#
- 1...Sf7
- 2.Qh1#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(c);N_GUARD::R1(D)
- R(c);N_GUARD,XS(E)::R1(D)
- S(h);OGATE::QAR1(I),XP(f)
- S(i);OGATE::QAB(I)
- P(e);SBLOCK::S(G)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(c);XR(D)::S(G)
- B(b);XP(C)::S(G)
- P(e);XP(F)::S(G)
- Refutation
- B(b);XS(E)
- Try
- S(E);XP(e)
- Threat
- DUALS(2)
- Vars
- R(c);XR(D)::S(E),XS(h)
- B(b);XP(C)::S(E),XS(h)
- S(h);OGATE,XS(E)::QAR1(I),XP(f)
- B(b);::S(E),XS(h)
- S(h);::P(B)
- Refutation
- R(c);XS(G)
- Try
- R(D);
- Threat
- S(G)
- Vars
- R(c);OGATE,XR(D)::P(C),XR(c)
- S(i);OGATE::QAB(I)
- Refutation
- S(h);
- Try
- Q(I);XS(h)
- Threat
- QAR1(I),XP(f)
- Vars
- S(i);N_GUARD::QAB1(I),XP(g)
- Refutation
- B(a);XR(D)
- Try
- Q(I);XS(i)
- Threat
- DUALS(3)
- Vars
- B(b);XP(C)::QAR1(I)
- P(g);OGATEB::QAB(I)
- Refutation
- R(c);XR(D)
- Try
- P(C);
- Threat
- S(G)
- Vars
- S(h);OGATE::QAR1(I),XP(f)
- Refutation
- S(i);
- Try
- Actual
- S(E);
- Threat
- S(G)
- Vars
- R(c);N_GUARD,XS(G)::R1(D)
- S(h);OGATE::QAR1(I),XP(f)
- S(i);OGATE::QAB(I)
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