MESON Chess Problem Database
Problem Display
PID: 160011 (3r4/q1b1N1Np/1B3RP1/4k1P1/b1PpB2r/3Q3p/8/2K5 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Stella Polaris, 1968
#2
10 + 9
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.Re6#
- 1...Rd6
- 2.Rf5#
- 1...Ra8
- 2.Qxd4#
- 1...Rb8
- 2.Qxd4#
- 1...Rc8
- 2.Qxd4#
- 1...Re8
- 2.Qxd4#
- 1...Rf8
- 2.Qxd4#
- 1...Rg8
- 2.Qxd4#
- 1...Rh8
- 2.Qxd4#
- 1...Bd1
- 2.Sc6#
- 1...Bc2
- 2.Sc6#
- 1...Bb3
- 2.Sc6#
- 1...Bc6
- 2.Sxc6#
- 1...Bd7
- 2.Qxd4#
- 1...Bd6
- 2.Rf5#
- 2.Qxd4#
- 1...hxg6
- 2.Sxg6#
- 1...Rf4
- Tries
- 1.Sc8?
- threat
- 2.Rf5#
- 1...Rxc8
- 2.Qxd4#
- 1...Rf4
- 2.Re6#
- 1...Rf8
- 2.Qxd4#
- 1...Bd7
- 2.Qxd4#
- 1...hxg6!
- threat
- 1.Bh1?
- threat
- 2.Qf5#
- 1...hxg6
- 2.Sxg6#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Re6#
- 1...Bc2
- 2.Sc6#
- 1...Bd7!
- threat
- 1.Bg2?
- threat
- 2.Qf5#
- 1...hxg6
- 2.Sxg6#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Re6#
- 1...Bc2
- 2.Sc6#
- 1...Bd7!
- threat
- 1.Bf3?
- threat
- 2.Qf5#
- 1...hxg6
- 2.Sxg6#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Re6#
- 1...Bc2
- 2.Sc6#
- 1...Bd7!
- threat
- 1.Bd5?
- threat
- 2.Qf5#
- 1...hxg6
- 2.Sxg6#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Re6#
- 1...Bc2
- 2.Sc6#
- 1...Bd7!
- threat
- 1.Bc6?
- threat
- 2.Qf5#
- 1...hxg6
- 2.Sxg6#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Re6#
- 1...Bc2!
- threat
- 1.Ba8?
- threat
- 2.Qf5#
- 1...hxg6
- 2.Sxg6#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Re6#
- 1...Bc2
- 2.Sc6#
- 1...Bd7!
- threat
- 1.Bc5?
- threat
- 2.Rf5#
- 1...hxg6
- 2.Sxg6#
- 1...Bd7
- 2.Qxd4#
- 1...Rf4
- 2.Re6#
- 1...Rf8
- 2.Qxd4#
- 1...Qxc5!
- threat
- 1.Bxc7+?
- 1...Rd6
- 2.Bxd6#
- 2.Rf5#
- 1...Qxc7!
- 1...Rd6
- 1.Qf1?
- threat
- 2.Re6#
- 2.Qf5#
- 1...Kxe4
- 2.Qe2#
- 1...Qxb6
- 2.Qf5#
- 1...hxg6
- 2.Re6#
- 1...Rf4
- 2.Re6#
- 2.Qxf4#
- 1...Rd6
- 2.Qf5#
- 1...Bd7!
- threat
- 1.Qf3?
- threat
- 2.Re6#
- 2.Qf5#
- 1...Qxb6
- 2.Qf5#
- 1...hxg6
- 2.Sxg6#
- 2.Re6#
- 1...Rf4
- 2.Re6#
- 2.Qxf4#
- 1...Rd6
- 2.Rf5#
- 2.Qf5#
- 1...Bd7!
- threat
- 1.Qg3+?
- 1...Rf4
- 2.Re6#
- 2.Qxf4#
- 1...Kxe4!
- 1...Rf4
- 1.Sc8?
- Keys
- 1.Bb7!
- threat
- 2.Qf5#
- 1...hxg6
- 2.Sxg6#
- 1...Bd7
- 2.Bxc7#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Re6#
- 1...Bc2
- 2.Sc6#
- threat
- 1.Bb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(d);SBLOCK::R1(G)
- R(i);SBLOCK::R1(G)
- R(i);N_GUARD::QAB1(B),XP(c)
- B(b);N_GUARD::S(I)
- B(b);N_GUARD::S(I),XB(b)
- B(b);S_CUTR(i)::QAB1(B),XP(c)
- P(h);XP(H)::S(I),XP(h)
- Tries
- Try
- S(I);
- Threat
- R1(G)
- Vars
- R(i);N_GUARD,XS(I)::QAB1(B),XP(c)
- R(d);SBLOCK::R1(G)
- R(i);N_GUARD::QAB1(B),XP(c)
- B(b);S_CUTR(i)::QAB1(B),XP(c)
- Refutation
- P(h);XP(H)
- Try
- B(D);
- Threat
- QAR1(B)
- Vars
- P(h);XP(H)::S(I),XP(h)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);SBLOCK::R1(G)
- B(b);N_GUARD::S(I)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- QAR1(B)
- Vars
- P(h);XP(H)::S(I),XP(h)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);SBLOCK::R1(G)
- B(b);N_GUARD::S(I)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- QAR1(B)
- Vars
- P(h);XP(H)::S(I),XP(h)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);SBLOCK::R1(G)
- B(b);N_GUARD::S(I)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- QAR1(B)
- Vars
- P(h);XP(H)::S(I),XP(h)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);SBLOCK::R1(G)
- B(b);N_GUARD::S(I)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- QAR1(B)
- Vars
- P(h);XP(H)::S(I),XP(h)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);SBLOCK::R1(G)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- QAR1(B)
- Vars
- P(h);XP(H)::S(I),XP(h)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);SBLOCK::R1(G)
- B(b);N_GUARD::S(I)
- Refutation
- B(b);
- Try
- B(F);
- Threat
- R1(G)
- Vars
- P(h);XP(H)::S(I),XP(h)
- B(b);S_CUTR(i)::QAB1(B),XP(c)
- R(d);SBLOCK::R1(G)
- R(i);N_GUARD::QAB1(B),XP(c)
- Refutation
- Q(f);P_PINP(C),XB(F)
- Try
- B(F);CHECK,XB(g)
- Refutation
- Q(f);P_PINP(C),XB(F)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(e);OGATEB,P-FLIGHT,XB(D)::QAR2(B)
- Q(f);XB(F)::QAR1(B)
- P(h);XP(H)::R1(G)
- R(i);::QAR1(B)
- Refutation
- B(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(f);XB(F)::QAR1(B)
- Refutation
- B(b);
- Try
- Q(B);CHECK
- Refutation
- K(e);P-FLIGHT,XB(D)
- Try
- Actual
- B(D);
- Threat
- QAR1(B)
- Vars
- P(h);XP(H)::S(I),XP(h)
- B(b);S_CUTR(i)::B(F),XB(g)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);SBLOCK::R1(G)
- B(b);N_GUARD::S(I)
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