MESON Chess Problem Database
Problem Display
PID: 64574 (K7/1n1Bn3/Q7/3p1p2/3NkP2/1N1RB3/8/3r4 w - - 0 1)
Mosely, Arthur James
Good Companions (February), 1916
#2
8 + 6
| 15 | British Chess Magazine | 1916 |
| 14721 | Australasian Chess Magazine | 1919 |
| 3132 | The Good Companion Two-Mover | 1922 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sd2#
- 1...Rb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Re1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Rxd3
- 2.Qe6#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sc6
- 2.Bxf5#
- 1...Sg6
- 2.Bxf5#
- 1...Sc8
- 2.Bxf5#
- 1...Sg8
- 2.Bxf5#
- 1...Ra1
- Tries
- 1.Kxb7?
- threat
- 2.Sc5#
- 1...Rxd3
- 2.Qe6#
- 1...Rc1
- 2.Sd2#
- 1...Rb1!
- threat
- 1.Kb8?
- 1...Rxd3
- 2.Qe6#
- 1...Ra1
- 2.Sd2#
- 1...Rb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Re1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sg6
- 2.Bxf5#
- 1...Sc8
- 2.Bxf5#
- 1...Sg8
- 2.Bxf5#
- 1...Sc6+!
- 1...Rxd3
- 1.Be6?
- 1...Rb1
- 2.Sd2#
- 1...Ra1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Re1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sc6
- 2.Bxf5#
- 1...Sg6
- 2.Bxf5#
- 1...Sc8
- 2.Bxf5#
- 1...Sg8
- 2.Bxf5#
- 1...Rxd3!
- 1...Rb1
- 1.Bc8?
- 1...Rxd3
- 2.Qe6#
- 1...Rb1
- 2.Sd2#
- 1...Ra1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Re1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sc6
- 2.Bxf5#
- 1...Sg6
- 2.Bxf5#
- 1...Sg8
- 2.Bxf5#
- 1...Sxc8!
- 1...Rxd3
- 1.Rc3?
- threat
- 2.Qe6#
- 1...Ra1
- 2.Sd2#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sc6
- 2.Bxf5#
- 1...Sg6
- 2.Bxf5#
- 1...Rxd4!
- threat
- 1.Kxb7?
- Keys
- 1.Qa3!
- 1...Kxd3
- 2.Sd2#
- 1...Rxd3
- 2.Qxe7#
- 1...Rb1
- 2.Sd2#
- 1...Ra1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Re1
- 2.Sd2#
- 1...Rf1
- 2.Sd2#
- 1...Rg1
- 2.Sd2#
- 1...Rh1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sc6
- 2.Bxf5#
- 1...Sg6
- 2.Bxf5#
- 1...Sc8
- 2.Bxf5#
- 1...Sg8
- 2.Bxf5#
- 1...Kxd3
- 1.Qa3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD,P_PINQ(F)::S(A)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(a);SBLOCK,XR(B)::QAR2(F)
- S(e);N_GUARD::S(A)
- S(e);N_GUARD::S(A),XS(e)
- S(f);N_GUARD::B(G),XP(d)
- Tries
- Try
- K(H);S_FLIGHT,XS(e)
- Threat
- S(A)
- Vars
- R(a);SBLOCK,XR(B)::QAR2(F)
- R(a);N_GUARD::S(A)
- Refutation
- R(a);P_PINS(A)
- Try
- K(H);P-FLIGHT
- Vars
- R(a);SBLOCK,XR(B)::QAR2(F)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- S(e);N_GUARD::S(A)
- S(e);N_GUARD::S(A),XS(e)
- S(f);N_GUARD::B(G),XP(d)
- Refutation
- S(f);CHECK
- Try
- B(G);
- Vars
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,P_PINQ(F)::S(A)
- R(a);N_GUARD::S(A),XR(a)
- S(e);N_GUARD::S(A)
- S(e);N_GUARD::S(A),XS(e)
- S(f);N_GUARD::B(G),XP(d)
- Refutation
- R(a);XR(B)
- Try
- B(G);
- Vars
- R(a);SBLOCK,XR(B)::QAR2(F)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,P_PINQ(F)::S(A)
- R(a);N_GUARD::S(A),XR(a)
- S(e);N_GUARD::S(A)
- S(e);N_GUARD::S(A),XS(e)
- S(f);N_GUARD::B(G),XP(d)
- Refutation
- S(f);XB(G)
- Try
- R(B);
- Threat
- QAR2(F)
- Vars
- R(a);N_GUARD,P_PINQ(F)::S(A)
- S(e);N_GUARD::S(A),XS(e)
- S(e);N_GUARD::S(A)
- S(f);N_GUARD::B(G),XP(d)
- Refutation
- R(a);XS(D)
- Try
- Actual
- Q(F);
- Vars
- K(b);S_FLIGHT,XR(B)::QAR(F)+S(A)
- R(a);SBLOCK,XR(B)::QAR(F),XS(f)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,P_PINQ(F)::S(A)
- R(a);N_GUARD::S(A),XR(a)
- S(e);N_GUARD::S(A)
- S(e);N_GUARD::S(A),XS(e)
- S(f);N_GUARD::B(G),XP(d)
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