MESON Chess Problem Database
Problem Display
PID: 82320 (8/6N1/1p2rpq1/4krp1/3R4/2Np1P2/1B2P1n1/1K4Qb w - - 0 1)
Ahues, Herbert Siegfried Oskar
Deutsche Schachzeitung, 1989
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.Rd5#
- 1...Rd6
- 2.Re4#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Rf4
- Tries
- 1.Bc1?
- threat
- 2.Rd5#
- 1...Se3
- 2.Qxe3#
- 1...Rd6
- 2.Re4#
- 1...Sf4
- 2.Qe3#
- 1...d2!
- threat
- 1.Ba3?
- threat
- 2.Re4#
- 1...Rf4
- 2.Rd5#
- 1...Rxf3!
- threat
- 1.Qh2+?
- 1...Rf4
- 2.Rd5#
- 1...Sf4
- 2.Rd5#
- 1...Kxd4!
- 1...Rf4
- 1.e3?
- threat
- 2.Rd5#
- 1...Sxe3
- 2.Qxe3#
- 1...Rd6
- 2.Re4#
- 1...Sf4!
- threat
- 1.f4+?
- 1...Rxf4
- 2.Rd5#
- 1...gxf4
- 2.Rd5#
- 1...Sxf4!
- 1...Rxf4
- 1.Bc1?
- Keys
- 1.Rxd3!
- threat
- 2.Qd4#
- 1...Kf4
- 2.Qh2#
- 1...Rf4
- 2.Se4#
- 1...Rd6
- 2.Sd5#
- 1...Se3
- 2.Qxe3#
- threat
- 1.Rxd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(e);SBLOCK::R1(G)
- R(h);SBLOCK::R1(G)
- S(b);N_GUARD::QAR2(B)
- S(b);N_GUARD::QAR2(B),XS(b)
- Tries
- Try
- B(C);
- Threat
- R1(G)
- Vars
- S(b);N_GUARD::QAR2(B),XS(b)
- R(h);SBLOCK::R1(G)
- S(b);N_GUARD::QAR2(B)
- Refutation
- P(c);
- Try
- B(C);
- Threat
- R1(G)
- Vars
- R(e);SBLOCK::R1(G)
- Refutation
- R(e);XP(F)
- Try
- Q(B);CHECK
- Vars
- R(e);P_SPINR(e)::R1(G)
- S(b);P_SPINS(b)::R1(G)
- Refutation
- K(d);S_FLIGHT,XR(G)
- Try
- P(D);
- Threat
- R1(G)
- Vars
- S(b);OGATE,XP(D)::QAR2(B),XS(b)
- R(h);SBLOCK::R1(G)
- Refutation
- S(b);
- Try
- P(F);CHECK
- Vars
- R(e);SBLOCK,XP(F)::R1(G)
- P(f);SBLOCK,XP(F)::R1(G)
- Refutation
- S(b);XP(F)
- Try
- Actual
- R(G);XP(c)
- Threat
- QAB1(B)
- Vars
- K(d);S_FLIGHT::QAB(B)
- R(e);P_PINR(G),SBLOCK::B(C)+S(E)
- R(h);SBLOCK::B(C)+S(E)
- S(b);N_GUARD::QAR2(B),XS(b)
Developed and maintained by Brian Stephenson.
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