MESON Chess Problem Database
Problem Display
PID: 227436 (3rr3/6p1/3P2R1/p2Bk2N/8/3Q4/5B1n/K4n1b w - - 0 1)
Kupper, Josef
Basler Zeitung, 1984
#2
7 + 8
| 16895 | Schweizer Schachkompositionen (1976-1986) (Henneberger) | 1989 |
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Rg5#
- 1...Re6
- 2.Rxe6#
- 1...Rf8
- 2.Re6#
- 1...Rg8
- 2.Re6#
- 1...Rh8
- 2.Re6#
- 1...Be4
- 2.Qxe4#
- 1...Bxd5
- 2.Bd4#
- 1...Sd2
- 2.Bg3#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 1...Sf3
- 2.Qe4#
- 1...Rxd6
- Tries
- 1.Sxg7?
- threat
- 2.Qf5#
- 2.Qd4#
- 1...Kf4
- 2.Qf5#
- 1...Rf8
- 2.Qd4#
- 1...Be4
- 2.Qxe4#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 2.Qd4#
- 1...Sf3
- 2.Qe4#
- 2.Qf5#
- 1...Re6!
- threat
- 1.Be1?
- threat
- 2.Bc3#
- 1...Re6
- 2.Rxe6#
- 1...Be4
- 2.Qxe4#
- 1...Sd2
- 2.Bg3#
- 1...Sf3
- 2.Qe4#
- 1...Rc8!
- threat
- 1.Be3?
- threat
- 2.Bf4#
- 1...Be4
- 2.Qxe4#
- 1...Rf8
- 2.Re6#
- 1...Sxe3!
- threat
- 1.Bxh1?
- threat
- 2.Bd4#
- 2.Qe4#
- 2.Qb5#
- 2.Qd5#
- 1...Rxd6
- 2.Qe4#
- 1...Rb8
- 2.Bd4#
- 2.Qe4#
- 2.Qd5#
- 1...Rc8
- 2.Bd4#
- 2.Qe4#
- 2.Qd5#
- 1...Re6
- 2.Rg5#
- 2.Qd5#
- 1...Sd2
- 2.Bg3#
- 2.Bd4#
- 2.Qb5#
- 2.Qd5#
- 1...Se3
- 2.Bg3#
- 2.Qe4#
- 1...Sg3
- 2.Bxg3#
- 2.Bd4#
- 2.Qb5#
- 2.Qd5#
- 1...Sf3!
- threat
- 1.Ba2?
- threat
- 2.Bd4#
- 2.Rg5#
- 1...Rxd6
- 2.Rg5#
- 1...Re6
- 2.Rg5#
- 2.Rxe6#
- 1...Rf8
- 2.Bd4#
- 2.Re6#
- 1...Bd5
- 2.Bd4#
- 2.Qxd5#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 2.Bd4#
- 1...Sf3
- 2.Qd5#
- 1...Be4!
- threat
- 1.Bb3?
- threat
- 2.Bd4#
- 2.Rg5#
- 1...Rxd6
- 2.Rg5#
- 1...Re6
- 2.Rg5#
- 2.Rxe6#
- 1...Rf8
- 2.Bd4#
- 2.Re6#
- 1...Bd5
- 2.Bd4#
- 2.Qxd5#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 2.Bd4#
- 1...Sf3
- 2.Qd5#
- 1...Be4!
- threat
- 1.Bc4?
- threat
- 2.Bd4#
- 2.Rg5#
- 1...Rxd6
- 2.Rg5#
- 1...Re6
- 2.Rg5#
- 2.Rxe6#
- 1...Rf8
- 2.Bd4#
- 2.Re6#
- 1...Bd5
- 2.Bd4#
- 2.Qxd5#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 2.Bd4#
- 1...Sf3
- 2.Qd5#
- 1...Be4!
- threat
- 1.Bf7?
- threat
- 2.Bd4#
- 2.Rg5#
- 1...Rxd6
- 2.Rg5#
- 1...Re6
- 2.Rg5#
- 2.Rxe6#
- 1...Bd5
- 2.Bd4#
- 2.Qxd5#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 2.Bd4#
- 1...Sf3
- 2.Qd5#
- 1...Be4!
- threat
- 1.Rf6?
- threat
- 2.Qf5#
- 2.Qd4#
- 1...Re6
- 2.Rxe6#
- 1...Be4
- 2.Qxe4#
- 2.Qd4#
- 1...Se3
- 2.Bg3#
- 1...Sg3
- 2.Bxg3#
- 2.Qd4#
- 1...Sf3
- 2.Qe4#
- 2.Qf5#
- 1...g6
- 2.Qd4#
- 1...gxf6!
- threat
- 1.Sxg7?
- Keys
- 1.Be6!
- threat
- 2.Qd4#
- 1...Rxd6
- 2.Qf5#
- 1...Rxe6
- 2.Rg5#
- 1...Bd5
- 2.Qxd5#
- 1...Se3
- 2.Bg3#
- 1...Sf3
- 2.Qd5#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(g);SBLOCK,XP(F)::R(G)
- R(h);N_GUARD::R1(G),XR(h)
- R(h);N_GUARD::R1(G)
- B(b);N_GUARD::QAR1(C),XB(b)
- B(b);SBLOCK,XB(D)::B(B)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(c);S_CUTB(b)::QAR1(C)
- Tries
- Try
- S(E);XP(f)
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT::QAR1(C)
- R(h);::QAB1(C)
- B(b);N_GUARD::QAR1(C),XB(b)
- S(a);N_GUARD::B(B)
- Refutation
- R(h);
- Try
- B(B);
- Threat
- B(B)
- Vars
- R(h);N_GUARD::R1(G),XR(h)
- B(b);N_GUARD::QAR1(C),XB(b)
- S(a);N_GUARD::B(B)
- S(c);S_CUTB(b)::QAR1(C)
- Refutation
- R(g);
- Try
- B(B);
- Threat
- B(B)
- Vars
- B(b);N_GUARD::QAR1(C),XB(b)
- R(h);N_GUARD::R1(G)
- Refutation
- S(a);XB(B)
- Try
- B(D);XB(b)
- Threat
- DUALS(4)
- Vars
- R(g);XP(F)::QAR1(C)
- Refutation
- S(c);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(g);XP(F)::R(G)
- S(a);N_GUARD::B(B)
- S(c);S_CUTB(b)::QAR1(C)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(g);XP(F)::R(G)
- S(a);N_GUARD::B(B)
- S(c);S_CUTB(b)::QAR1(C)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(g);XP(F)::R(G)
- S(a);N_GUARD::B(B)
- S(c);S_CUTB(b)::QAR1(C)
- Refutation
- B(b);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(g);XP(F)::R(G)
- S(a);N_GUARD::B(B)
- S(c);S_CUTB(b)::QAR1(C)
- Refutation
- B(b);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD::R1(G),XR(h)
- S(a);N_GUARD::B(B)
- P(f);::QAB1(C)
- Refutation
- P(f);XR(G)
- Try
- Actual
- B(D);
- Threat
- QAB1(C)
- Vars
- R(g);SBLOCK,XP(F)::QAR1(C)
- R(h);SBLOCK,XB(D)::R(G)
- B(b);N_GUARD::QAR1(C),XB(b)
- S(a);N_GUARD::B(B)
- S(c);S_CUTB(b)::QAR1(C)
Developed and maintained by Brian Stephenson.
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