MESON Chess Problem Database
Problem Display
PID: 224399 (KN5b/n7/2rp3Q/1P1B1p2/3krR2/2R3p1/4P1N1/B6q w - - 0 1)
Mackenzie, Arthur Ford
4th Prize, Illustrated Family Journal, 1886
#2
10 + 9
| 10759 | Wilkes-Barre Record | 1887 |
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Rd3#
- 1...Rc5
- Tries
- 1.Bb3?
- 1...Ke5
- 2.Rc5#
- 1...Qxg2
- 2.Qxh8#
- 1...Qxa1
- 2.Qxh8#
- 1...Qxh6
- 2.Rxc6#
- 1...Rxf4
- 2.Qxf4#
- 1...Rxc3
- 2.Qxd6#
- 1...Sxb5
- 2.Sxc6#
- 1...Rc4
- 2.Qxd6#
- 1...Qb1
- 2.Qxh8#
- 1...Qc1
- 2.Qxh8#
- 1...Qd1
- 2.Qxh8#
- 1...Qe1
- 2.Qxh8#
- 1...Qf1
- 2.Qxh8#
- 1...Qg1
- 2.Qxh8#
- 1...Qh2
- 2.Rxc6#
- 1...Qh3
- 2.Rxc6#
- 1...Qh4
- 2.Rxc6#
- 1...Qh5
- 2.Rxc6#
- 1...Rc5
- 2.Rd3#
- 1...Rb6
- 2.Rc1#
- 1...Rc7
- 2.Qxd6#
- 1...Rc8
- 2.Qxd6#
- 1...Be5
- 2.e3#
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sc8
- 2.Sxc6#
- 1...d5
- 2.Rc4#
- 1...Ra6!
- 1...Ke5
- 1.Bxc6?
- threat
- 2.Rc1#
- 2.Qxd6#
- 1...Ke5
- 2.Rc5#
- 1...Qxg2
- 2.Qxd6#
- 2.Qxh8#
- 1...Qxa1
- 2.Qxh8#
- 1...Qxh6
- 2.Rc1#
- 2.Rc2#
- 1...Sxc6
- 2.Qxd6#
- 1...Qb1
- 2.Qxd6#
- 2.Qxh8#
- 1...Qc1
- 2.Rxc1#
- 2.Qxd6#
- 2.Qxh8#
- 1...Qe1
- 2.Qxd6#
- 2.Qxh8#
- 1...Be5
- 2.Rc1#
- 2.e3#
- 1...Bf6
- 2.Rc1#
- 2.Qxf6#
- 1...Sc8
- 2.Rc1#
- 1...d5
- 2.Rc1#
- 1...Sxb5!
- threat
- 1.Bf7?
- threat
- 2.Rc4#
- 1...Ke5
- 2.Rc5#
- 1...Qxg2
- 2.Qxh8#
- 1...Qxa1
- 2.Qxh8#
- 1...Rxc3
- 2.Qxd6#
- 1...Rc4
- 2.Rxc4#
- 2.Qxd6#
- 1...d5!
- threat
- 1.Bg8?
- threat
- 2.Rc4#
- 1...Ke5
- 2.Rc5#
- 1...Qxg2
- 2.Qxh8#
- 1...Qxa1
- 2.Qxh8#
- 1...Rxc3
- 2.Qxd6#
- 1...Rc4
- 2.Rxc4#
- 2.Qxd6#
- 1...d5!
- threat
- 1.Rxc6+?
- 1...Kxd5
- 2.Qxd6#
- 1...Qxa1!
- 1...Kxd5
- 1.Rxe4+?
- 1...Kxd5
- 2.Qe6#
- 1...fxe4!
- 1...Kxd5
- 1.Qxd6?
- threat
- 2.Bxc6#
- 2.Rd3#
- 2.Rc4#
- 2.e3#
- 1...Qxg2
- 2.Bxc6#
- 2.Rd3#
- 2.e3#
- 1...Qxa1
- 2.Rd3#
- 1...Rxc3
- 2.Ba2#
- 2.Bb3#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 1...Sxb5
- 2.Sxc6#
- 2.Rd3#
- 2.Rc4#
- 2.e3#
- 1...Qc1
- 2.Bxc6#
- 2.Rd3#
- 2.Rc4#
- 1...Qe1
- 2.Bxc6#
- 2.Rd3#
- 2.Rc4#
- 1...Qg1
- 2.Bxc6#
- 2.Rd3#
- 2.Rc4#
- 1...Qh6
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 2.e3#
- 1...Rc4
- 2.Bxc4#
- 2.Bxe4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Bg8#
- 2.Rd3#
- 2.Rxc4#
- 2.e3#
- 1...Rc5
- 2.Rd3#
- 2.Rc4#
- 2.e3#
- 1...Ra6
- 2.Bc6#
- 2.Rd3#
- 2.Rc4#
- 2.e3#
- 1...Rb6
- 2.Bc6#
- 2.Rc1#
- 2.Rd3#
- 2.Rc4#
- 2.e3#
- 1...Rc7
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bxe4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Bg8#
- 2.Rd3#
- 2.Rc4#
- 2.e3#
- 1...Rc8
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bxe4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Bg8#
- 2.Rd3#
- 2.Rc4#
- 2.e3#
- 1...Be5
- 2.Rd3#
- 2.Rc4#
- 2.e3#
- 1...Sc8
- 2.Sxc6#
- 2.Rd3#
- 2.Rc4#
- 2.e3#
- 1...Rxd6!
- threat
- 1.e3+?
- 1...Ke5
- 2.Qe6#
- 1...Kxd5!
- 1...Ke5
- 1.Bb3?
- Keys
- 1.Ba2!
- 1...Ke5
- 2.Rc5#
- 1...Qxg2
- 2.Qxh8#
- 1...Qxa1
- 2.Qxh8#
- 1...Qxh6
- 2.Rxc6#
- 1...Rxf4
- 2.Qxf4#
- 1...Rxc3
- 2.Qxd6#
- 1...Sxb5
- 2.Sxc6#
- 1...Rc4
- 2.Qxd6#
- 1...Qb1
- 2.Qxh8#
- 1...Qc1
- 2.Qxh8#
- 1...Qd1
- 2.Qxh8#
- 1...Qe1
- 2.Qxh8#
- 1...Qf1
- 2.Qxh8#
- 1...Qg1
- 2.Qxh8#
- 1...Qh2
- 2.Rxc6#
- 1...Qh3
- 2.Rxc6#
- 1...Qh4
- 2.Rxc6#
- 1...Qh5
- 2.Rxc6#
- 1...Rc5
- 2.Rd3#
- 1...Ra6
- 2.Rc1#
- 1...Rb6
- 2.Rc1#
- 1...Rc7
- 2.Qxd6#
- 1...Rc8
- 2.Qxd6#
- 1...Be5
- 2.e3#
- 1...Bf6
- 2.Qxf6#
- 1...Bg7
- 2.Qxg7#
- 1...Sc8
- 2.Sxc6#
- 1...d5
- 2.Rc4#
- 1...Ke5
- 1.Ba2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 27
- REMOVED MATES = 0
- Sets
- R(f);SBLOCK::B(A)+R(D),DCHECK
- Tries
- Try
- B(G);
- Vars
- K(c);N_SPINR(d),S_FLIGHT::B(A)+R(D),DCHECK
- Q(a);N_GUARD,XS(C)::QAB(H),XB(i)
- Q(a);N_GUARD,XB(A)::QAB(H),XB(i)
- Q(a);N_GUARD,XQ(H)::B(A)+R(D),XR(f)
- R(d);N_SPINR(d),OGATE,XR(E)::QAR2(H),XR(d)
- R(f);N_GUARD,N_SPINR(d),P_SPINR(f),XR(D)::QAR2(H),XP(g)
- S(h);N_GUARD,XP(F)::S(J),XR(f)
- R(f);N_GUARD::QAR2(H),XP(g)
- Q(a);N_GUARD::QAB(H),XB(i)
- Q(a);N_GUARD::B(A)+R(D),XR(f)
- R(f);SBLOCK::B(A)+R(D),DCHECK
- R(f);N_GUARD::B(A)+R(D)
- R(f);N_GUARD,P_PINS(J)::QAR2(H),XP(g)
- B(i);SBLOCK::P(B)
- B(i);N_GUARD::QAB(H),XB(i)
- S(h);N_GUARD::S(J),XR(f)
- P(g);SBLOCK::B(A)+R(D),DCHECK
- Refutation
- R(f);
- Try
- B(G);XR(f)
- Threat
- DUALS(2)
- Vars
- K(c);N_SPINR(d),S_FLIGHT::B(A)+R(D),DCHECK
- Q(a);N_GUARD,XB(A)::QAB(H),XB(i)
- S(h);XB(G)::QAR2(H),XP(g)
- S(h);::B(A)+R(D)
- P(g);::B(A)+R(D)
- Refutation
- S(h);XP(F)
- Try
- B(G);
- Threat
- B(A)+R(D),DCHECK
- Vars
- K(c);N_SPINR(d),S_FLIGHT::B(A)+R(D),DCHECK
- Q(a);N_GUARD,XS(C)::QAB(H),XB(i)
- Q(a);N_GUARD,XB(A)::QAB(H),XB(i)
- R(f);N_GUARD,N_SPINR(d),P_SPINR(f),XR(D)::QAR2(H),XP(g)
- Refutation
- P(g);
- Try
- B(G);
- Threat
- B(A)+R(D),DCHECK
- Vars
- K(c);N_SPINR(d),S_FLIGHT::B(A)+R(D),DCHECK
- Q(a);N_GUARD,XS(C)::QAB(H),XB(i)
- Q(a);N_GUARD,XB(A)::QAB(H),XB(i)
- R(f);N_GUARD,N_SPINR(d),P_SPINR(f),XR(D)::QAR2(H),XP(g)
- Refutation
- P(g);
- Try
- R(D);CHECK,XR(f)
- Vars
- K(c);N_SPINR(d),P-FLIGHT,XB(G)::QAR1(H),XP(g)
- Refutation
- Q(a);XB(A)
- Try
- R(E);CHECK,XR(d)
- Vars
- K(c);P-FLIGHT,XB(G)::QAB1(H)
- Refutation
- P(e);XR(E)
- Try
- Q(H);XP(g)
- Threat
- DUALS(4)
- Vars
- Q(a);XB(A)::R1(D)
- Refutation
- R(f);XQ(H)
- Try
- P(B);CHECK
- Vars
- K(c);N_SPINR(d),S_FLIGHT::QAR1(H)
- Refutation
- K(c);N_SPINR(d),P-FLIGHT,XB(G)
- Try
- Actual
- B(G);
- Vars
- K(c);N_SPINR(d),S_FLIGHT::B(A)+R(D),DCHECK
- Q(a);N_GUARD,XS(C)::QAB(H),XB(i)
- Q(a);N_GUARD,XB(A)::QAB(H),XB(i)
- Q(a);N_GUARD,XQ(H)::B(A)+R(D),XR(f)
- R(d);N_SPINR(d),OGATE,XR(E)::QAR2(H),XR(d)
- R(f);N_GUARD,N_SPINR(d),P_SPINR(f),XR(D)::QAR2(H),XP(g)
- S(h);N_GUARD,XP(F)::S(J),XR(f)
- R(f);N_GUARD::QAR2(H),XP(g)
- Q(a);N_GUARD::QAB(H),XB(i)
- Q(a);N_GUARD::B(A)+R(D),XR(f)
- R(f);SBLOCK::B(A)+R(D),DCHECK
- R(f);N_GUARD::B(A)+R(D)
- R(f);N_GUARD,P_PINS(J)::QAR2(H),XP(g)
- B(i);SBLOCK::P(B)
- B(i);N_GUARD::QAB(H),XB(i)
- S(h);N_GUARD::S(J),XR(f)
- P(g);SBLOCK::B(A)+R(D),DCHECK
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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