MESON Chess Problem Database
Problem Display
PID: 152134 (8/p3N1p1/B3nbP1/R2Rp3/Pn2k3/KNp2pP1/1pr2P2/1Q6 w - - 0 1)
Mosely, Arthur James
Good Companions (April), 1915
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Bh4
- 2.Rxe5#
- 1...Bg5
- 2.Rxe5#
- 1...Bxe7
- 2.Rxe5#
- 1...Sa2
- 2.Bd3#
- 2.Qxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sxd5
- 2.Qxc2#
- 1...Sxa6
- 2.Qxc2#
- 1...Sc6
- 2.Bd3#
- 2.Qxc2#
- 1...Sd4
- 2.Sc5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...Bh4
- Tries
- 1.Kxb4?
- threat
- 2.Bd3#
- 2.Qxc2#
- 1...Sd4
- 2.Sc5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Bxe7+!
- threat
- 1.Bf1?
- 1...Bxe7
- 2.Rxe5#
- 1...Sxd5
- 2.Qxc2#
- 1...Bh4
- 2.Rxe5#
- 1...Bg5
- 2.Rxe5#
- 1...Sa2
- 2.Bd3#
- 2.Qxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sa6
- 2.Bd3#
- 2.Qxc2#
- 1...Sc6
- 2.Bd3#
- 2.Qxc2#
- 1...Sd4
- 2.Sc5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...a6!
- 1...Bxe7
- 1.Be2?
- 1...Bxe7
- 2.Rxe5#
- 1...Sxd5
- 2.Qxc2#
- 1...fxe2
- 2.Qh1#
- 1...Bh4
- 2.Rxe5#
- 1...Bg5
- 2.Rxe5#
- 1...Sa2
- 2.Bd3#
- 2.Qxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sa6
- 2.Bd3#
- 2.Qxc2#
- 1...Sc6
- 2.Bd3#
- 2.Qxc2#
- 1...Sd4
- 2.Sc5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...a6!
- 1...Bxe7
- 1.Bc4?
- 1...Bxe7
- 2.Rxe5#
- 1...Sxd5
- 2.Qxc2#
- 1...Bh4
- 2.Rxe5#
- 1...Bg5
- 2.Rxe5#
- 1...Sa2
- 2.Bd3#
- 2.Qxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sa6
- 2.Bd3#
- 2.Qxc2#
- 1...Sc6
- 2.Bd3#
- 2.Qxc2#
- 1...Sd4
- 2.Sc5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...a6!
- 1...Bxe7
- 1.Bb7?
- threat
- 2.Rd4#
- 1...Sxd5
- 2.Qxc2#
- 1...Sd4
- 2.Sc5#
- 2.Rxd4#
- 1...Sc6
- 2.Qxc2#
- 1...Bxe7!
- threat
- 1.Rac5?
- 1...Bxe7
- 2.Rxe5#
- 1...Sxd5
- 2.Qxc2#
- 1...Sxa6
- 2.Qxc2#
- 1...Sxc5
- 2.Sxc5#
- 1...Bh4
- 2.Rxe5#
- 1...Bg5
- 2.Rxe5#
- 1...Sa2
- 2.Bd3#
- 2.Qxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sc6
- 2.Bd3#
- 2.Qxc2#
- 1...Sf4
- 2.Rc4#
- 1...Sg5
- 2.Rc4#
- 1...Sc7
- 2.Rc4#
- 1...Sd8
- 2.Rc4#
- 1...Sf8
- 2.Rc4#
- 1...Sd4!
- 1...Bxe7
- 1.Rd4+?
- 1...Sxd4
- 2.Sc5#
- 1...exd4!
- 1...Sxd4
- 1.Qxc2+?
- 1...Sd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sxc2+!
- 1...Sd3
- 1.Kxb4?
- Keys
- 1.Rdb5!
- 1...Kd3
- 2.Rxb4#
- 1...Bxe7
- 2.Rxe5#
- 1...Sxa6
- 2.Qxc2#
- 1...Bh4
- 2.Rxe5#
- 1...Bg5
- 2.Rxe5#
- 1...Sa2
- 2.Qxc2#
- 1...Sd3
- 2.Bb7#
- 1...Sd5
- 2.Qxc2#
- 1...Sc6
- 2.Qxc2#
- 1...Sd4
- 2.Sc5#
- 1...Sf4
- 2.Rxb4#
- 1...Sc5
- 2.Rxb4#
- 1...Sg5
- 2.Rxb4#
- 1...Sc7
- 2.Rxb4#
- 1...Sd8
- 2.Rxb4#
- 1...Sf8
- 2.Rxb4#
- 1...Kd3
- 1.Rdb5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(i);N_GUARD::R1(H),XP(g)
- B(i);N_GUARD,XS(K)::R1(H),XP(g)
- S(e);N_GUARD,N_SPINR(b)::B(I),XS(e)
- S(e);N_GUARD,XR(H)::QAB(A),XR(b)
- S(e);N_GUARD,XB(I)::QAB(A),XR(b)
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- Tries
- Try
- K(C);S_FLIGHT,XS(e)
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- Refutation
- B(i);CHECK,XS(K)
- Try
- B(I);
- Vars
- B(i);N_GUARD,XS(K)::R1(H),XP(g)
- S(e);N_GUARD,XR(H)::QAB(A),XR(b)
- B(i);N_GUARD::R1(H),XP(g)
- S(e);N_GUARD,N_SPINR(b)::B(I),XS(e)
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- Refutation
- P(j);
- Try
- B(I);
- Vars
- B(i);N_GUARD,XS(K)::R1(H),XP(g)
- S(e);N_GUARD,XR(H)::QAB(A),XR(b)
- P(d);OGATEB,XB(I)::QAB(A)
- B(i);N_GUARD::R1(H),XP(g)
- S(e);N_GUARD,N_SPINR(b)::B(I),XS(e)
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- Refutation
- P(j);
- Try
- B(I);
- Vars
- B(i);N_GUARD,XS(K)::R1(H),XP(g)
- S(e);N_GUARD,XR(H)::QAB(A),XR(b)
- B(i);N_GUARD::R1(H),XP(g)
- S(e);N_GUARD,N_SPINR(b)::B(I),XS(e)
- S(h);N_GUARD::S(D)
- S(h);N_GUARD::S(D),XS(h)
- Refutation
- P(j);
- Try
- B(I);
- Threat
- B(I)+R(H),DCHECK
- Vars
- S(e);N_GUARD,P_SPINS(e),XR(H)::QAB(A),XR(b)
- S(e);N_GUARD::QAB(A),XR(b)
- Refutation
- B(i);XS(K)
- Try
- R(G);
- Vars
- B(i);N_GUARD,XS(K)::R1(H),XP(g)
- S(e);N_GUARD,XR(H)::QAB(A),XR(b)
- S(e);N_GUARD,XB(I)::QAB(A),XR(b)
- S(h);XR(G)::S(D),XS(h)
- B(i);N_GUARD::R1(H),XP(g)
- S(e);N_GUARD,N_SPINR(b)::B(I),XS(e)
- S(h);N_GUARD::R(G)
- Refutation
- S(h);
- Try
- R(H);CHECK
- Vars
- S(h);SBLOCK,XR(H)::S(D)
- Refutation
- P(g);XR(H)
- Try
- Q(A);CHECK,XR(b)
- Refutation
- S(e);CHECK,XQ(A)
- Try
- Actual
- R(H);
- Vars
- K(f);S_FLIGHT::B(I)+R(H),XS(e)
- B(i);N_GUARD,XS(K)::R1(H),XP(g)
- S(e);N_GUARD,XB(I)::QAB(A),XR(b)
- B(i);N_GUARD::R1(H),XP(g)
- S(e);N_GUARD::QAB(A),XR(b)
- S(e);N_GUARD,N_SPINR(b),SBLOCK::B(I)
- S(h);N_GUARD,SBLOCK::S(D)
- S(h);N_GUARD::R(H),XS(e)
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).