MESON Chess Problem Database
Problem Display
PID: 9353 (7n/3p4/1Q1N1P2/3rkBP1/1Np4p/3p1R1K/2r5/6B1 w - - 0 1)
Blake, Percy Francis
Hampstead and Highgate Express, 1901
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Bh2#
- 1...Ra2
- 2.Sxc4#
- 1...Rb2
- 2.Sxc4#
- 1...Rd2
- 2.Sxc4#
- 1...Re2
- 2.Sxc4#
- 1...Rf2
- 2.Sxc4#
- 1...Rg2
- 2.Sxc4#
- 1...Rh2+
- 2.Bxh2#
- 1...Rc3
- 2.Bh2#
- 1...Rd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Ra5
- 2.Bd4#
- 2.Qd4#
- 1...Rb5
- 2.Bd4#
- 2.Qd4#
- 1...Rc5
- 2.Qxc5#
- 1...Rxd6
- 2.Qe3#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...d2
- 2.Bh2#
- 1...c3
- 2.Sc4#
- 1...Rc1
- Tries
- 1.Kg4?
- threat
- 2.Re3#
- 1...Rd4+
- 2.Bxd4#
- 2.Qxd4#
- 1...Re2
- 2.Sxc4#
- 1...Rc5
- 2.Qxc5#
- 1...Rg2+!
- threat
- 1.Kxh4?
- 1...Rh2+
- 2.Bxh2#
- 1...Rd4+
- 2.Bxd4#
- 2.Qxd4#
- 1...Rxd6
- 2.Qe3#
- 1...Rc1
- 2.Bh2#
- 1...Ra2
- 2.Sxc4#
- 1...Rb2
- 2.Sxc4#
- 1...Rd2
- 2.Sxc4#
- 1...Re2
- 2.Sxc4#
- 1...Rf2
- 2.Sxc4#
- 1...Rg2
- 2.Sxc4#
- 1...Rc3
- 2.Bh2#
- 1...Ra5
- 2.Bd4#
- 2.Qd4#
- 1...Rb5
- 2.Bd4#
- 2.Qd4#
- 1...Rc5
- 2.Qxc5#
- 1...Sf7
- 2.Sxf7#
- 1...d2
- 2.Bh2#
- 1...c3
- 2.Sc4#
- 1...Sg6+!
- 1...Rh2+
- 1.Sa2?
- 1...Rh2+
- 2.Bxh2#
- 1...Rxa2
- 2.Sxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Ra5
- 2.Qd4#
- 1...Rb5
- 2.Qd4#
- 1...Rc5
- 2.Qxc5#
- 1...Rc1
- 2.Bh2#
- 1...Rb2
- 2.Sxc4#
- 1...Rd2
- 2.Sxc4#
- 1...Re2
- 2.Sxc4#
- 1...Rf2
- 2.Sxc4#
- 1...Rg2
- 2.Sxc4#
- 1...Rc3
- 2.Bh2#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...d2
- 2.Bh2#
- 1...c3
- 2.Sc4#
- 1...Rxd6!
- 1...Rh2+
- 1.Sxc2?
- threat
- 2.Sxc4#
- 2.Bh2#
- 1...Rd4
- 2.Qxd4#
- 1...Ra5
- 2.Qd4#
- 1...Rb5
- 2.Qd4#
- 1...Rc5
- 2.Qxc5#
- 1...Sg6
- 2.Sxc4#
- 2.Sf7#
- 1...c3
- 2.Sc4#
- 2.Bh2#
- 1...Rxd6!
- threat
- 1.Sa6?
- 1...Rh2+
- 2.Bxh2#
- 1...Rd4
- 2.Qxd4#
- 1...Ra5
- 2.Qd4#
- 1...Rb5
- 2.Qd4#
- 1...Rc5
- 2.Qxc5#
- 1...Rc1
- 2.Bh2#
- 1...Ra2
- 2.Sxc4#
- 1...Rb2
- 2.Sxc4#
- 1...Rd2
- 2.Sxc4#
- 1...Re2
- 2.Sxc4#
- 1...Rf2
- 2.Sxc4#
- 1...Rg2
- 2.Sxc4#
- 1...Rc3
- 2.Bh2#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...d2
- 2.Bh2#
- 1...c3
- 2.Sc4#
- 1...Rxd6!
- 1...Rh2+
- 1.Sb5?
- threat
- 2.Qe3#
- 1...Rh2+
- 2.Bxh2#
- 1...Rxb5
- 2.Bd4#
- 2.Qd4#
- 1...Rd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Rc5
- 2.Bd4#
- 2.Qd6#
- 1...Re2!
- threat
- 1.Sb7?
- threat
- 2.Qe3#
- 1...Rh2+
- 2.Bxh2#
- 1...Rd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Rc5
- 2.Qd6#
- 1...Re2!
- threat
- 1.Sc8?
- threat
- 2.Qe3#
- 1...Rh2+
- 2.Bxh2#
- 1...Rd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Rc5
- 2.Qd6#
- 1...Re2!
- threat
- 1.Se8?
- threat
- 2.Qe3#
- 1...Rh2+
- 2.Bxh2#
- 1...Rd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Rc5
- 2.Qd6#
- 1...Re2!
- threat
- 1.Bxd7?
- threat
- 2.Rf5#
- 1...Rh2+
- 2.Bxh2#
- 1...Rxd6
- 2.Qe3#
- 1...Rf2!
- threat
- 1.Rf1?
- 1...Rh2+
- 2.Bxh2#
- 1...Rxd6
- 2.Qe3#
- 1...Re2
- 2.Sxc4#
- 1...Rc1
- 2.Bh2#
- 1...Ra2
- 2.Sxc4#
- 1...Rb2
- 2.Sxc4#
- 1...Rd2
- 2.Sxc4#
- 1...Rg2
- 2.Sxc4#
- 1...Rc3
- 2.Bh2#
- 1...Rd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Ra5
- 2.Bd4#
- 2.Qd4#
- 1...Rb5
- 2.Bd4#
- 2.Qd4#
- 1...Rc5
- 2.Qxc5#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...d2
- 2.Bh2#
- 1...c3
- 2.Sc4#
- 1...Rf2!
- 1...Rh2+
- 1.Qc5?
- threat
- 2.Bd4#
- 2.Qxd5#
- 1...Rh2+
- 2.Bxh2#
- 1...Rf2
- 2.Sxc4#
- 2.Qxd5#
- 1...Rxc5!
- threat
- 1.f7?
- 1...Rh2+
- 2.Bxh2#
- 1...Rxd6
- 2.Qe3#
- 1...Sxf7
- 2.Sxf7#
- 1...Re2
- 2.Sxc4#
- 1...Rc1
- 2.Bh2#
- 1...Ra2
- 2.Sxc4#
- 1...Rb2
- 2.Sxc4#
- 1...Rd2
- 2.Sxc4#
- 1...Rf2
- 2.Sxc4#
- 1...Rg2
- 2.Sxc4#
- 1...Rc3
- 2.Bh2#
- 1...Rd4
- 2.Bxd4#
- 2.Qxd4#
- 1...Ra5
- 2.Bd4#
- 2.Qd4#
- 1...Rb5
- 2.Bd4#
- 2.Qd4#
- 1...Rc5
- 2.Qxc5#
- 1...d2
- 2.Bh2#
- 1...c3
- 2.Sc4#
- 1...Sg6!
- 1...Rh2+
- 1.Kg4?
- Keys
- 1.Qa7!
- 1...Rh2+
- 2.Bxh2#
- 1...Kxd6
- 2.Qb8#
- 1...Rxd6
- 2.Qe3#
- 1...Re2
- 2.Sxc4#
- 1...Rc1
- 2.Bh2#
- 1...Ra2
- 2.Sxc4#
- 1...Rb2
- 2.Sxc4#
- 1...Rd2
- 2.Sxc4#
- 1...Rf2
- 2.Sxc4#
- 1...Rg2
- 2.Sxc4#
- 1...Rc3
- 2.Bh2#
- 1...Rd4
- 2.Qxd4#
- 1...Ra5
- 2.Qd4#
- 1...Rb5
- 2.Qd4#
- 1...Rc5
- 2.Qxc5#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...d2
- 2.Bh2#
- 1...c3
- 2.Sc4#
- 1...Rh2+
- 1.Qa7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::B(A)
- R(a);N_GUARD::S(H),XP(c)
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(e);OGATEB::QAR2(G),XR(e)
- R(e);SBLOCK,XS(H)::QAR2(G)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- P(b);S_CUTR(a)::B(A)
- P(c);S_CUTR(a)::S(H)
- Tries
- Try
- K(C);S_FLIGHT
- Threat
- R(B)
- Vars
- R(a);N_GUARD::S(H),XP(c)
- R(e);OGATEB::QAR2(G),XR(e)
- Refutation
- R(a);CHECK
- Try
- K(C);P-FLIGHT,XP(d)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(e);SBLOCK,XS(H)::QAR2(G)
- R(a);N_GUARD::B(A)
- R(a);N_GUARD::S(H),XP(c)
- R(e);OGATEB::QAR2(G),XR(e)
- S(h);N_GUARD::S(H),XS(h)
- P(b);S_CUTR(a)::B(A)
- P(c);S_CUTR(a)::S(H)
- Refutation
- S(h);CHECK
- Try
- S(D);
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(a);N_GUARD,XS(D)::S(H),XP(c)
- R(e);N_GUARD::QAB1(G),XR(e)
- R(e);N_GUARD::QAB1(G)
- R(e);OGATEB::QAR2(G),XR(e)
- R(a);N_GUARD::B(A)
- R(a);N_GUARD::S(H),XP(c)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- P(b);S_CUTR(a)::B(A)
- P(c);S_CUTR(a)::S(H)
- Refutation
- R(e);XS(H)
- Try
- S(D);XR(a)
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD::QAB1(G),XR(e)
- R(e);N_GUARD::QAB1(G)
- R(e);OGATEB::QAR2(G),XR(e)
- Refutation
- R(e);XS(H)
- Try
- S(D);
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(e);N_GUARD::QAB1(G),XR(e)
- R(e);N_GUARD::QAB1(G)
- R(e);OGATEB::QAR2(G),XR(e)
- R(a);N_GUARD::B(A)
- R(a);N_GUARD::S(H),XP(c)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- P(b);S_CUTR(a)::B(A)
- P(c);S_CUTR(a)::S(H)
- Refutation
- R(e);XS(H)
- Try
- S(H);
- Threat
- QAR2(G)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- Refutation
- R(a);
- Try
- S(H);
- Threat
- QAR2(G)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(e);N_GUARD::QAB1(G)
- Refutation
- R(a);
- Try
- S(H);
- Threat
- QAR2(G)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(e);N_GUARD::QAB1(G)
- Refutation
- R(a);
- Try
- S(H);
- Threat
- QAR2(G)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(e);N_GUARD::QAB1(G)
- Refutation
- R(a);
- Try
- B(E);XP(g)
- Threat
- R1(B)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(e);SBLOCK,XS(H)::QAR2(G)
- Refutation
- R(a);
- Try
- R(B);
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(e);SBLOCK,XS(H)::QAR2(G)
- R(a);N_GUARD::S(H),XP(c)
- R(a);N_GUARD::B(A)
- R(e);OGATEB::QAR2(G),XR(e)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- P(b);S_CUTR(a)::B(A)
- P(c);S_CUTR(a)::S(H)
- Refutation
- R(a);
- Try
- Q(G);P_PINR(e)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- Refutation
- R(e);N_SPINR(e),XQ(G)
- Try
- P(I);
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- R(e);SBLOCK,XS(H)::QAR2(G)
- S(h);XP(I)::S(H),XS(h)
- R(a);N_GUARD::S(H),XP(c)
- R(a);N_GUARD::B(A)
- R(e);OGATEB::QAR2(G),XR(e)
- P(b);S_CUTR(a)::B(A)
- P(c);S_CUTR(a)::S(H)
- Refutation
- S(h);
- Try
- Actual
- Q(G);
- Vars
- R(a);CHECK,N_GUARD::B(A),XR(a)
- K(f);OGATEB,S_FLIGHT,XS(H)::QAB(G)
- R(e);SBLOCK,XS(H)::QAR2(G)
- R(a);N_GUARD::S(H),XP(c)
- R(a);N_GUARD::B(A)
- R(e);N_GUARD::QAB1(G),XR(e)
- R(e);N_GUARD::QAB1(G)
- R(e);OGATEB::QAR2(G),XR(e)
- S(h);N_GUARD::S(H)
- S(h);N_GUARD::S(H),XS(h)
- P(b);S_CUTR(a)::B(A)
- P(c);S_CUTR(a)::S(H)
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).