MESON Chess Problem Database
Problem Display
PID: 163069 (1B6/4K2B/n3p1Np/1P1k4/6R1/2pNp2r/b1RPQ1p1/b3r1q1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
stern, 1992
(First published on Thu Sep 24 1992)
#2
10 + 12
| 15601 | Albrecht-Leiss-Degener Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qf3#
- 1...Rh2
- 2.Qf3#
- 1...Rf3
- 2.Qxf3#
- 1...Rh4
- 2.Qf3#
- 1...Rh5
- 2.Qf3#
- 1...Sc5
- 2.Sb4#
- 1...e5
- 2.Bg8#
- 1...Rh1
- Tries
- 1.Sb4+?
- 1...Kc5
- 2.Ba7#
- 1...Sxb4!
- 1...Kc5
- 1.Bg8?
- threat
- 2.Bxe6#
- 1...Sc5
- 2.Sb4#
- 1...Sc7!
- threat
- 1.Be5?
- threat
- 2.Rd4#
- 1...cxd2
- 2.Sgf4#
- 1...Rh4
- 2.Qf3#
- 1...exd2!
- threat
- 1.Qxg2+?
- 1...Rf3
- 2.Qxf3#
- 1...Qxg2!
- 1...Rf3
- 1.dxc3?
- threat
- 2.Rd4#
- 1...Rh4
- 2.Qf3#
- 1...e5
- 2.Bg8#
- 1...Bxc3!
- threat
- 1.Sb4+?
- Keys
- 1.Ba7!
- threat
- 2.Rd4#
- 1...cxd2
- 2.Sgf4#
- 1...exd2
- 2.Sdf4#
- 1...Rh4
- 2.Qf3#
- 1...Sc5
- 2.Sb4#
- 1...e5
- 2.Bg8#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(h);N_GUARD::QAB(C)
- R(h);N_GUARD::QAB(C),XR(h)
- S(j);N_GUARD,SBLOCK::S(D)
- P(k);OGATEB::B(I)
- Tries
- Try
- S(D);CHECK
- Vars
- K(i);P-FLIGHT,P_SPINP(f)::B(J)
- Refutation
- S(j);XS(D)
- Try
- B(I);P_PINP(k)
- Threat
- B(I),XP(k)
- Vars
- S(j);N_GUARD,SBLOCK::S(D)
- Refutation
- S(j);
- Try
- B(J);
- Threat
- R1(E)
- Vars
- P(f);XP(B)::S(G)
- R(h);N_GUARD::QAB(C)
- Refutation
- P(g);XP(B)
- Try
- Q(C);CHECK,XP(e)
- Vars
- R(h);N_GUARD,P_SPINR(h)::QAB(C),XR(h)
- Refutation
- Q(c);XQ(C)
- Try
- P(B);XP(f)
- Threat
- R1(E)
- Vars
- R(h);N_GUARD::QAB(C)
- P(k);OGATEB::B(I)
- Refutation
- B(a);XP(B)
- Try
- Actual
- B(J);
- Threat
- R1(E)
- Vars
- P(f);XP(B)::S(G)
- P(g);XP(B)::S(D)
- R(h);N_GUARD::QAB(C)
- S(j);N_GUARD::S(D)
- P(k);OGATEB::B(I)
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