MESON Chess Problem Database
Problem Display
PID: 50930 (8/1Ppp1KN1/1n3n2/R2B2R1/2pkp3/Np3Pb1/3BQ3/3r2q1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
3rd Prize, Schweizerische Schachzeitung, 1994
#2
10 + 11
| 3681 | FIDE Album (1992-1994) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Qe3#
- 1...Qe3
- 2.Qxe3#
- 1...Qf1
- 2.Qe3#
- 1...Qh1
- 2.Qe3#
- 1...Qg2
- 2.Qe3#
- 1...Rxd2
- 2.Qxd2#
- 1...Be5
- 2.Sf5#
- 1...Sa4
- 2.Qxc4#
- 1...Sbxd5
- 2.Qxc4#
- 1...Sa8
- 2.Qxc4#
- 1...Sc8
- 2.Qxc4#
- 1...Sg4
- 2.Qxe4#
- 1...Sfxd5
- 2.Qxe4#
- 1...Sh5
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...b2
- 2.Sc2#
- 1...exf3
- 2.Sf5#
- 1...c5
- 2.Sb5#
- 1...d6
- 2.Se6#
- 1...Qh2
- Tries
- 1.Kxf6?
- threat
- 2.Sf5#
- 2.Qxe4#
- 1...Sxd5+
- 2.Raxd5#
- 2.Rgxd5#
- 1...Rxd2
- 2.Qxd2#
- 1...exf3
- 2.Sf5#
- 2.Qe4#
- 1...Qe3
- 2.Sf5#
- 2.Qxe3#
- 1...Qe1
- 2.Sf5#
- 1...Re1
- 2.Sf5#
- 1...e3
- 2.Sf5#
- 1...c5
- 2.Sb5#
- 2.Qxe4#
- 1...Be5+!
- threat
- 1.Sxc4?
- threat
- 2.Sf5#
- 1...Rxd2
- 2.Qxd2#
- 1...Sxc4
- 2.Qxc4#
- 1...c5!
- threat
- 1.Bb4?
- threat
- 2.Sb5#
- 1...Be5
- 2.Sf5#
- 1...c6!
- threat
- 1.Bxc4?
- threat
- 2.Sb5#
- 2.Sf5#
- 1...Rxd2
- 2.Sb5#
- 2.Qxd2#
- 1...Be5
- 2.Sf5#
- 1...Sfd5
- 2.Qxe4#
- 1...c5
- 2.Sb5#
- 1...c6
- 2.Sf5#
- 1...d5
- 2.Se6#
- 1...Sbd5!
- threat
- 1.Bxe4?
- threat
- 2.Sb5#
- 2.Sf5#
- 1...Rxd2
- 2.Sb5#
- 2.Qxd2#
- 1...Be5
- 2.Sf5#
- 1...Sbd5
- 2.Qxc4#
- 1...c5
- 2.Sb5#
- 1...c6
- 2.Sf5#
- 1...d5
- 2.Se6#
- 1...Sfd5!
- threat
- 1.Be6?
- threat
- 2.Sb5#
- 2.Sf5#
- 1...Rxd2
- 2.Sb5#
- 2.Qxd2#
- 1...dxe6
- 2.Sb5#
- 2.Sxe6#
- 1...Be5
- 2.Sf5#
- 1...Sbd5
- 2.Qxc4#
- 1...Sfd5
- 2.Qxe4#
- 1...c5
- 2.Sb5#
- 1...c6
- 2.Sf5#
- 1...d5!
- threat
- 1.f4?
- threat
- 2.Sf5#
- 1...Rxd2
- 2.Qxd2#
- 1...c5
- 2.Sb5#
- 1...Bxf4!
- threat
- 1.Kxf6?
- Keys
- 1.Bc6!
- threat
- 2.Sb5#
- 2.Sf5#
- 1...Rxd2
- 2.Sb5#
- 2.Qxd2#
- 1...dxc6
- 2.Sf5#
- 2.Se6#
- 1...Be5
- 2.Sf5#
- 1...Sbd5
- 2.Qxc4#
- 1...Sfd5
- 2.Qxe4#
- 1...d5
- 2.Se6#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 18
- Sets
- Q(b);N_GUARD::QAB1(B)
- Q(b);N_GUARD::QAB1(B),XQ(b)
- R(a);OGATE,XB(A)::QAR2(B),XR(a)
- B(d);SBLOCK::S(J)
- S(h);N_GUARD::QAR1(B),XP(e)
- S(h);N_GUARD,XB(F)::QAR1(B),XP(e)
- S(i);N_GUARD::QAR1(B),XP(g)
- S(i);N_GUARD,XB(F)::QAR1(B),XP(g)
- P(c);N_GUARD::S(C)
- P(g);XP(D)::S(J)
- P(j);SBLOCK::S(C)
- P(k);N_GUARD::S(J)
- Tries
- Try
- K(I);P-FLIGHT,XS(i)
- Threat
- DUALS(2)
- Vars
- R(a);OGATE,XB(A)::QAR2(B),XR(a)
- Q(b);::S(J)
- R(a);::S(J)
- P(g);::S(J)
- Refutation
- B(d);CHECK
- Try
- S(C);XP(e)
- Threat
- S(J)
- Vars
- R(a);OGATE,XB(A)::QAR2(B),XR(a)
- S(h);OGATE,XS(C)::QAR1(B),XS(h)
- Refutation
- P(j);
- Try
- B(A);
- Threat
- S(C)
- Vars
- B(d);SBLOCK::S(J)
- Refutation
- P(j);
- Try
- B(F);XP(e)
- Threat
- DUALS(2)
- Vars
- B(d);::S(J)
- S(i);N_GUARD::QAR1(B),XP(g)
- P(j);::S(C)
- P(j);::S(J)
- P(k);N_GUARD::S(J)
- Refutation
- S(h);
- Try
- B(F);XP(g)
- Threat
- DUALS(2)
- Vars
- B(d);::S(J)
- S(h);N_GUARD::QAR1(B),XP(e)
- P(j);::S(C)
- P(j);::S(J)
- P(k);N_GUARD::S(J)
- Refutation
- S(i);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(d);::S(J)
- S(h);N_GUARD::QAR1(B),XP(e)
- S(i);N_GUARD::QAR1(B),XP(g)
- P(j);::S(C)
- P(j);::S(J)
- Refutation
- P(k);
- Try
- P(D);
- Threat
- S(J)
- Vars
- R(a);OGATE,XB(A)::QAR2(B),XR(a)
- P(j);SBLOCK::S(C)
- Refutation
- B(d);XP(D)
- Try
- Actual
- B(F);
- Threat
- DUALS(2)
- Vars
- B(d);::S(J)
- S(h);N_GUARD::QAR1(B),XP(e)
- S(i);N_GUARD::QAR1(B),XP(g)
- P(k);N_GUARD::S(J)
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