MESON Chess Problem Database
Problem Display
PID: 65300 (3br3/7p/2R1p2P/4k3/3N3p/4K2P/6Q1/8 w - - 0 1)
Stewart, John
1st Prize, Good Companions (February Meredith Ty.), 1922
#2
6 + 6
| 3132 | The Good Companion Two-Mover | 1922 |
SOLUTION
- SOUND
- Sets
- 1...Kf6
- 2.Qg7#
- 1...Re7
- 2.Qg5#
- 1...Rf8
- 2.Rxe6#
- 1...Rg8
- 2.Rxe6#
- 1...Rh8
- 2.Rxe6#
- 1...Ba5
- 2.Qg5#
- 1...Bg5+
- 2.Qxg5#
- 1...Bb6
- 2.Qg5#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qg5#
- 1...Be7
- 2.Rxe6#
- 1...Kf6
- Tries
- 1.Rc5+?
- 1...Kf6
- 2.Qg7#
- 1...Kd6!
- 1...Kf6
- 1.Ra6?
- 1...Bg5+
- 2.Qxg5#
- 1...Kf6
- 2.Qg7#
- 1...Re7
- 2.Qg5#
- 1...Rf8
- 2.Rxe6#
- 1...Rg8
- 2.Rxe6#
- 1...Rh8
- 2.Rxe6#
- 1...Ba5
- 2.Qg5#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qg5#
- 1...Be7
- 2.Rxe6#
- 1...Bb6!
- 1...Bg5+
- 1.Rb6?
- 1...Bg5+
- 2.Qxg5#
- 1...Kf6
- 2.Qg7#
- 1...Re7
- 2.Qg5#
- 1...Rf8
- 2.Rxe6#
- 1...Rg8
- 2.Rxe6#
- 1...Rh8
- 2.Rxe6#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qg5#
- 1...Be7
- 2.Rxe6#
- 1...Bxb6!
- 1...Bg5+
- 1.Qh2+?
- 1...Kd5
- 2.Qd6#
- 1...Kf6!
- 1...Kd5
- 1.Qg3+?
- 1...Kd5
- 2.Qd6#
- 1...Kf6
- 2.Qg7#
- 1...hxg3!
- 1...Kd5
- 1.Qg6?
- 1...Bg5+
- 2.Qxg5#
- 1...Kd5
- 2.Qe4#
- 1...Rf8
- 2.Qxe6#
- 1...Re7
- 2.Qg5#
- 1...Rg8
- 2.Qxe6#
- 1...Rh8
- 2.Qxe6#
- 1...Ba5
- 2.Qg5#
- 1...Bb6
- 2.Qg5#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qg5#
- 1...Be7
- 2.Qxe6#
- 1...hxg6!
- 1...Bg5+
- 1.Rc5+?
- Keys
- 1.Qg4!
- 1...Bg5+
- 2.Qxg5#
- 1...Kd5
- 2.Qe4#
- 1...Kf6
- 2.Qg7#
- 1...Rf8
- 2.Qxe6#
- 1...Re7
- 2.Qg5#
- 1...Rg8
- 2.Qxe6#
- 1...Rh8
- 2.Qxe6#
- 1...Ba5
- 2.Qg5#
- 1...Bb6
- 2.Qg5#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qg5#
- 1...Be7
- 2.Qxe6#
- 1...Bg5+
- 1.Qg4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);P_SPINP(c),S_FLIGHT::QAB1(A)
- R(f);S_CUTB(e)::QAR2(A)
- R(f);N_GUARD::R1(E),XP(c)
- B(e);N_GUARD::QAR2(A)
- B(e);CHECK,N_GUARD::QAR2(A),XB(e)
- B(e);N_GUARD,P_PINS(D)::QAR2(A)
- B(e);SBLOCK::QAR1(A)
- B(e);S_CUTR(f)::R1(E),XP(c)
- Tries
- Try
- R(E);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(A)
- Refutation
- K(b);S_FLIGHT
- Try
- R(E);
- Vars
- B(e);CHECK,N_GUARD::QAR2(A),XB(e)
- K(b);P_SPINP(c),S_FLIGHT::QAB1(A)
- R(f);S_CUTB(e)::QAR2(A)
- R(f);N_GUARD::R1(E),XP(c)
- B(e);N_GUARD::QAR2(A)
- B(e);SBLOCK::QAR1(A)
- B(e);S_CUTR(f)::R1(E),XP(c)
- Refutation
- B(e);P_PINS(D)
- Try
- R(E);
- Vars
- B(e);CHECK,N_GUARD::QAR2(A),XB(e)
- K(b);P_SPINP(c),S_FLIGHT::QAB1(A)
- R(f);S_CUTB(e)::QAR2(A)
- R(f);N_GUARD::R1(E),XP(c)
- B(e);SBLOCK::QAR1(A)
- B(e);N_GUARD::QAR2(A)
- B(e);S_CUTR(f)::R1(E),XP(c)
- Refutation
- B(e);P_PINS(D),XR(E)
- Try
- Q(A);CHECK
- Vars
- K(b);OGATE,P-FLIGHT::QAR1(A)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(b);OGATE,P-FLIGHT::QAR1(A)
- K(b);P_SPINP(c),S_FLIGHT::QAB1(A)
- Refutation
- P(a);XQ(A)
- Try
- Q(A);
- Vars
- B(e);CHECK,N_GUARD::QAR2(A),XB(e)
- K(b);P-FLIGHT::QAB1(A)
- R(f);N_GUARD::QAR1(A),XP(c)
- R(f);S_CUTB(e)::QAR2(A)
- B(e);N_GUARD::QAR2(A)
- B(e);N_GUARD,P_PINS(D)::QAR2(A)
- B(e);SBLOCK::QAR1(A)
- B(e);S_CUTR(f)::QAR1(A),XP(c)
- Refutation
- P(d);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- B(e);CHECK,N_GUARD::QAR2(A),XB(e)
- K(b);P-FLIGHT::QAB1(A)
- K(b);P_SPINP(c),S_FLIGHT::QAB1(A)
- R(f);N_GUARD::QAR1(A),XP(c)
- R(f);S_CUTB(e)::QAR2(A)
- B(e);N_GUARD::QAR2(A)
- B(e);N_GUARD,P_PINS(D)::QAR2(A)
- B(e);SBLOCK::QAR1(A)
- B(e);S_CUTR(f)::QAR1(A),XP(c)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).