MESON Chess Problem Database
Problem Display
PID: 20994 (6N1/3p2p1/2nQ2P1/5kB1/3b2R1/6pK/B7/4rn2 w - - 0 1)
Booth, David (Jr)
2nd Prize, Good Companions (April), 1915
#2
7 + 8
| 3132 | The Good Companion Two-Mover | 1922 |
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Bxb1#
- 1...Se5
- 2.Se7#
- 1...Rb1
- Tries
- 1.Bb1+?
- 1...Re4
- 2.Bxe4#
- 1...Rxb1!
- 1...Re4
- 1.Bd2?
- threat
- 2.Qf4#
- 1...Re4
- 2.Rg5#
- 1...Re5
- 2.Qf8#
- 1...Be5
- 2.Qxd7#
- 1...Se5
- 2.Se7#
- 1...Be3!
- threat
- 1.Be3?
- threat
- 2.Qf4#
- 1...Be5
- 2.Qd3#
- 2.Qxd7#
- 1...Se5
- 2.Se7#
- 1...Bxe3!
- threat
- 1.Bh4?
- threat
- 2.Rf4#
- 2.Qf4#
- 1...Re4
- 2.Rg5#
- 1...Re5
- 2.Qf8#
- 1...Re6
- 2.Qf4#
- 1...Be5
- 2.Qxd7#
- 1...Bf6
- 2.Qf4#
- 1...Se5
- 2.Se7#
- 1...Be3!
- threat
- 1.Bf6?
- threat
- 2.Qf4#
- 1...Be3
- 2.Qd3#
- 2.Qxd7#
- 1...Re4
- 2.Rg5#
- 1...Be5
- 2.Qxd7#
- 1...Se5
- 2.Se7#
- 1...Re5!
- threat
- 1.Bh6?
- threat
- 2.Rf4#
- 2.Qf4#
- 1...gxh6
- 2.Sxh6#
- 2.Qf4#
- 1...Re5
- 2.Rf4#
- 2.Qf8#
- 1...Re4
- 2.Rg5#
- 1...Re6
- 2.Qf4#
- 1...Be5
- 2.Qxd7#
- 1...Bf6
- 2.Qf4#
- 1...Se5
- 2.Se7#
- 2.Rf4#
- 1...Be3!
- threat
- 1.Bd8?
- threat
- 2.Rf4#
- 2.Qf4#
- 1...Sxd8
- 2.Qf4#
- 1...Re4
- 2.Rg5#
- 1...Re5
- 2.Qf8#
- 1...Re6
- 2.Qf4#
- 1...Re7
- 2.Qf4#
- 1...Be5
- 2.Qxd7#
- 1...Bf6
- 2.Qf4#
- 1...Se5
- 2.Se7#
- 1...Se7
- 2.Qf4#
- 1...Be3!
- threat
- 1.Qxd7+?
- 1...Ke5
- 2.Qe6#
- 2.Qd5#
- 1...Re6
- 2.Qxe6#
- 1...Kxg6!
- 1...Ke5
- 1.Bb1+?
- Keys
- 1.Bc1!
- threat
- 2.Qf4#
- 1...Re4
- 2.Rg5#
- 1...Re5
- 2.Qf8#
- 1...Be3
- 2.Bb1#
- 1...Be5
- 2.Qxd7#
- 1...Se5
- 2.Se7#
- threat
- 1.Bc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- R(a);N_GUARD::B(A),XR(a)
- S(f);N_GUARD,S_CUTR(a)::S(G)
- Tries
- Try
- B(A);CHECK
- Vars
- R(a);N_GUARD,P_SPINR(a)::B(A),XR(a)
- Refutation
- R(a);XB(A)
- Try
- B(D);
- Threat
- QAR1(E)
- Vars
- R(a);SBLOCK::R1(C)
- R(a);SBLOCK,S_CUTB(d)::QAR(E)
- B(d);SBLOCK,S_CUTR(a)::QAB(E),XP(g)
- S(f);N_GUARD,S_CUTR(a)::S(G)
- Refutation
- B(d);
- Try
- B(D);
- Threat
- QAR1(E)
- Vars
- S(f);N_GUARD::S(G)
- Refutation
- B(d);XB(D)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(a);SBLOCK::R1(C)
- R(a);SBLOCK,S_CUTB(d)::QAR(E)
- R(a);::QAR1(E)
- B(d);SBLOCK,S_CUTR(a)::QAB(E),XP(g)
- B(d);::QAR1(E)
- S(f);N_GUARD,S_CUTR(a)::S(G)
- Refutation
- B(d);
- Try
- B(D);
- Threat
- QAR1(E)
- Vars
- R(a);SBLOCK::R1(C)
- B(d);S_CUTR(a)::QAB(E),XP(g)
- S(f);N_GUARD,S_CUTR(a)::S(G)
- Refutation
- R(a);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- R(a);SBLOCK::R1(C)
- R(a);::QAR1(E)
- B(d);SBLOCK,S_CUTR(a)::QAB(E),XP(g)
- B(d);::QAR1(E)
- Refutation
- B(d);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- S(f);XB(D)::QAR1(E)
- R(a);SBLOCK::R1(C)
- R(a);SBLOCK,S_CUTB(d)::QAR(E)
- R(a);::QAR1(E)
- B(d);SBLOCK,S_CUTR(a)::QAB(E),XP(g)
- B(d);::QAR1(E)
- S(f);N_GUARD,S_CUTR(a)::S(G)
- S(f);::QAR1(E)
- Refutation
- B(d);
- Try
- Q(E);CHECK,XP(g)
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAB1(E),XR(a)
- Refutation
- K(e);S_FLIGHT,XP(F)
- Try
- Actual
- B(D);
- Threat
- QAR1(E)
- Vars
- R(a);SBLOCK::R1(C)
- R(a);SBLOCK,S_CUTB(d)::QAR(E)
- B(d);S_CUTR(a)::B(A)
- B(d);SBLOCK,S_CUTR(a)::QAB(E),XP(g)
- S(f);N_GUARD,S_CUTR(a)::S(G)
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