MESON Chess Problem Database
Problem Display
PID: 21075 (4b3/K2p2nq/4PRrp/1NN1k3/6PB/1Q6/6pR/b6B w - - 0 1)
Mansfield, Comins
2nd Prize, Good Companions (December), 1916
#2
10 + 9
| 3132 | The Good Companion Two-Mover | 1922 |
| 4797 | A Genius of the Two-mover | 1936 |
| 3202 | Complete Mansfield/I | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Sxe6
- 2.Rf5#
- 1...gxh1S
- 2.Re2#
- 1...gxh1R
- 2.Re2#
- 1...g1Q
- 2.Qd5#
- 1...g1S
- 2.Sd3#
- 2.Qd5#
- 2.Qe3#
- 2.Qg3#
- 1...g1B
- 2.Qd5#
- 2.Qg3#
- 1...g1R
- 2.Sd3#
- 2.Re2#
- 2.Qd5#
- 2.Qe3#
- 1...d5
- 2.Qe3#
- 2.Qg3#
- 1...Sf5
- Tries
- 1.Sxd7+?
- 1...Ke4
- 2.Bxg2#
- 2.Qf3#
- 1...Bxd7!
- 1...Ke4
- 1.Rf2?
- threat
- 2.Bg3#
- 1...Rxg4
- 2.Bf6#
- 1...Sxe6
- 2.Rf5#
- 1...g1Q
- 2.Sd3#
- 2.Qd5#
- 2.Qe3#
- 1...g1R
- 2.Sd3#
- 2.Qd5#
- 2.Qe3#
- 1...Rf6
- 2.Bxf6#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...gxh1S!
- threat
- 1.Rf3?
- threat
- 2.Bg3#
- 1...Rxg4
- 2.Bf6#
- 1...Sxe6
- 2.Rf5#
- 1...gxh1S
- 2.Re2#
- 1...g1R
- 2.Re2#
- 1...Rf6
- 2.Bxf6#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...g1Q!
- threat
- 1.Qd1?
- threat
- 2.Qd6#
- 1...Bd4
- 2.Qxd4#
- 1...Sf5
- 2.Rxf5#
- 1...d5
- 2.Qe2#
- 2.Qe1#
- 1...d6
- 2.Qxd6#
- 1...Rg5!
- threat
- 1.Qc3+?
- 1...Kd5
- 2.Bxg2#
- 1...Bxc3!
- 1...Kd5
- 1.Qd3?
- threat
- 2.Qe4#
- 2.Qd6#
- 1...Rxg4
- 2.Qd6#
- 1...Rxf6
- 2.Qd6#
- 1...gxh1Q
- 2.Qd6#
- 1...gxh1B
- 2.Qd6#
- 1...Bd4
- 2.Qe4#
- 2.Qxd4#
- 1...Sf5
- 2.Rxf5#
- 2.Qe4#
- 2.Qxf5#
- 1...d5
- 2.Qe2#
- 2.Qe3#
- 2.Qg3#
- 1...d6
- 2.Qe4#
- 2.Qxd6#
- 1...Rg5!
- threat
- 1.Qf3?
- threat
- 2.Sd3#
- 2.Bg3#
- 2.Qe4#
- 1...Rxf6
- 2.Bxf6#
- 1...Sxe6
- 2.Sd3#
- 2.Rf5#
- 2.Qe4#
- 2.Qf5#
- 1...gxh1Q
- 2.Sd3#
- 2.Bg3#
- 2.Re2#
- 1...gxh1S
- 2.Sd3#
- 2.Re2#
- 2.Qe4#
- 1...gxh1B
- 2.Sd3#
- 2.Bg3#
- 2.Re2#
- 1...g1Q
- 2.Qe4#
- 2.Qd5#
- 2.Qf4#
- 1...g1B
- 2.Bg3#
- 2.Qe4#
- 2.Qd5#
- 2.Qg3#
- 2.Qf4#
- 1...g1R
- 2.Sd3#
- 2.Re2#
- 2.Qe2#
- 2.Qe4#
- 2.Qd5#
- 2.Qe3#
- 2.Qf4#
- 1...Rg5
- 2.Bg3#
- 1...Bd4
- 2.Bg3#
- 2.Qe4#
- 1...Sf5
- 2.Sd3#
- 2.Rxf5#
- 2.Qe4#
- 2.Qxf5#
- 1...Sh5
- 2.Sd3#
- 2.Rf5#
- 2.Qe4#
- 2.Qf5#
- 1...d5
- 2.Sd3#
- 2.Bg3#
- 2.Qe2#
- 2.Qe3#
- 2.Qg3#
- 2.Qf4#
- 1...Rxg4!
- threat
- 1.Sxd7+?
- Keys
- 1.Rf1!
- threat
- 2.Bg3#
- 1...Rxg4
- 2.Bf6#
- 1...Sxe6
- 2.Rf5#
- 1...gxf1Q
- 2.Qe3#
- 1...gxf1S
- 2.Sd3#
- 1...gxf1B
- 2.Qe3#
- 2.Qg3#
- 1...gxf1R
- 2.Sd3#
- 2.Qe3#
- 1...gxh1S
- 2.Re2#
- 1...g1Q
- 2.Qd5#
- 1...g1R
- 2.Sd3#
- 2.Re2#
- 2.Qd5#
- 2.Qe3#
- 1...Rf6
- 2.Bxf6#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- threat
- 1.Rf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(g);N_GUARD::R1(I),XS(g)
- S(g);N_GUARD::R1(I)
- S(g);N_GUARD,XP(H)::R1(I)
- P(b);OGATE,XB(A)::R(B)
- P(b);P_PINS(G)::QAR1(C)
- Tries
- Try
- S(G);CHECK,XP(f)
- Refutation
- B(i);XS(G)
- Try
- R(I);
- Threat
- B(E)
- Vars
- R(d);N_GUARD,XP(D)::B(E)
- S(g);N_GUARD,XP(H)::R1(I)
- R(d);N_GUARD::B(E),XR(d)
- S(g);N_GUARD::R1(I),XS(g)
- S(g);N_GUARD::R1(I)
- Refutation
- P(b);XB(A)
- Try
- R(I);
- Threat
- B(E)
- Vars
- R(d);N_GUARD,XP(D)::B(E)
- S(g);N_GUARD,XP(H)::R1(I)
- P(b);OGATE,XB(A)::R(B)
- P(b);OGATE::R(B)
- R(d);N_GUARD::B(E),XR(d)
- S(g);N_GUARD::R1(I),XS(g)
- S(g);N_GUARD::R1(I)
- Refutation
- P(b);P_PINS(G)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- B(a);N_GUARD,P_PINS(G)::QAB1(C),XB(a)
- S(g);N_GUARD::R1(I),XS(g)
- P(f);::QAB1(C),XP(f)
- Refutation
- R(d);
- Try
- Q(C);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINP(b),S_CUTB(a)::B(A),XP(b)
- Refutation
- B(a);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(d);XP(D)::QAB1(C)
- R(d);XR(I)::QAB1(C)
- P(b);XB(A)::QAB1(C)
- Refutation
- R(d);
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- R(d);OGATE,XR(I)::B(E),XR(d)
- R(d);::B(E)
- Refutation
- R(d);XP(D)
- Try
- Actual
- R(I);
- Threat
- B(E)
- Vars
- R(d);N_GUARD,XP(D)::B(E)
- S(g);N_GUARD,XP(H)::R1(I)
- P(b);XR(I)::QAR2(C)
- P(b);XR(I)::S(G)
- P(b);OGATE,XB(A)::R(B)
- P(b);P_PINS(G)::QAR1(C)
- R(d);N_GUARD::B(E),XR(d)
- S(g);N_GUARD::R1(I),XS(g)
- S(g);N_GUARD::R1(I)
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