MESON Chess Problem Database
Problem Display
PID: 18315 (5K2/1n4B1/8/p2N4/Np2p3/1P1k4/R2br3/4nQ2 w - - 0 1)
Walton, FW
Time & Tide, 1954
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qxe2#
- 1...Bc3
- 2.Qxe2#
- 1...Be3
- 2.Qxe2#
- 1...Bf4
- 2.Qxe2#
- 1...Bg5
- 2.Qxe2#
- 1...Bh6
- 2.Qxe2#
- 1...Sc2
- 2.Sb2#
- 1...Sg2
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e3
- 2.Qf5#
- 1...Bc1
- Tries
- 1.Ke7?
- 1...e3
- 2.Qf5#
- 1...Bc1
- 2.Qxe2#
- 1...Bc3
- 2.Qxe2#
- 1...Be3
- 2.Qxe2#
- 1...Bf4
- 2.Qxe2#
- 1...Bh6
- 2.Qxe2#
- 1...Sc2
- 2.Sb2#
- 1...Sg2
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Bg5+!
- 1...e3
- 1.Ke8?
- 1...e3
- 2.Qf5#
- 1...Bc1
- 2.Qxe2#
- 1...Bc3
- 2.Qxe2#
- 1...Be3
- 2.Qxe2#
- 1...Bf4
- 2.Qxe2#
- 1...Bg5
- 2.Qxe2#
- 1...Bh6
- 2.Qxe2#
- 1...Sc2
- 2.Sb2#
- 1...Sg2
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sd8
- 2.Sc5#
- 1...Sd6+!
- 1...e3
- 1.Sf4+?
- 1...Bxf4
- 2.Qxe2#
- 1...Ke3!
- 1...Bxf4
- 1.Be5?
- 1...e3
- 2.Qf5#
- 1...Sc2
- 2.Sb2#
- 1...Bc1
- 2.Qxe2#
- 1...Bc3
- 2.Qxe2#
- 1...Be3
- 2.Qxe2#
- 1...Bf4
- 2.Qxe2#
- 1...Bg5
- 2.Qxe2#
- 1...Sg2
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Bh6+!
- 1...e3
- 1.Bf6?
- 1...e3
- 2.Qf5#
- 1...Sc2
- 2.Sb2#
- 1...Bc1
- 2.Qxe2#
- 1...Bc3
- 2.Qxe2#
- 1...Be3
- 2.Qxe2#
- 1...Bf4
- 2.Qxe2#
- 1...Bg5
- 2.Qxe2#
- 1...Sg2
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Bh6+!
- 1...e3
- 1.Bh8?
- 1...e3
- 2.Qf5#
- 1...Sc2
- 2.Sb2#
- 1...Bc1
- 2.Qxe2#
- 1...Bc3
- 2.Qxe2#
- 1...Be3
- 2.Qxe2#
- 1...Bf4
- 2.Qxe2#
- 1...Bg5
- 2.Qxe2#
- 1...Sg2
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Bh6+!
- 1...e3
- 1.Rb2?
- 1...e3
- 2.Qf5#
- 1...Bc1
- 2.Qxe2#
- 1...Bc3
- 2.Qxe2#
- 1...Be3
- 2.Qxe2#
- 1...Bf4
- 2.Qxe2#
- 1...Bg5
- 2.Qxe2#
- 1...Bh6
- 2.Qxe2#
- 1...Sg2
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sc2!
- 1...e3
- 1.Qh3+?
- 1...Re3
- 2.Sf4#
- 1...Be3
- 2.Sf4#
- 1...e3
- 2.Qf5#
- 2.Qh7#
- 1...Sf3!
- 1...Re3
- 1.Qf6?
- threat
- 2.Qd4#
- 2.Qa6#
- 1...Rg2
- 2.Qa6#
- 1...Rh2
- 2.Qa6#
- 1...Re3
- 2.Sf4#
- 2.Qa6#
- 1...e3
- 2.Qd4#
- 2.Qf5#
- 2.Qg6#
- 1...Sc2
- 2.Sb2#
- 2.Qa6#
- 1...Bc3
- 2.Qa6#
- 1...Be3
- 2.Qa6#
- 1...Sf3
- 2.Qa6#
- 1...Sc5
- 2.Sxc5#
- 2.Qd4#
- 1...Sd6
- 2.Sc5#
- 2.Qd4#
- 1...Rf2!
- threat
- 1.Ke7?
- Keys
- 1.Kg8!
- 1...e3
- 2.Qf5#
- 1...Bc1
- 2.Qxe2#
- 1...Bc3
- 2.Qxe2#
- 1...Be3
- 2.Qxe2#
- 1...Bf4
- 2.Qxe2#
- 1...Bg5
- 2.Qxe2#
- 1...Bh6
- 2.Qxe2#
- 1...Sc2
- 2.Sb2#
- 1...Sg2
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc5
- 2.Sxc5#
- 1...Sd6
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...e3
- 1.Kg8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(b);::QAB1(A),XR(c)
- B(b);P_PINB(F)::QAB1(A),XR(c)
- S(a);SBLOCK::S(D)
- S(a);OGATE::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- P(f);OGATEB::QAB(A)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- P(f);OGATEB::QAB(A)
- B(b);::QAB1(A),XR(c)
- S(a);SBLOCK::S(D)
- S(a);OGATE::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- Refutation
- B(b);CHECK
- Try
- K(G);P-FLIGHT
- Vars
- P(f);OGATEB::QAB(A)
- B(b);::QAB1(A),XR(c)
- S(a);SBLOCK::S(D)
- S(a);OGATE::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- Refutation
- S(h);CHECK
- Try
- S(E);CHECK
- Vars
- B(b);XS(E)::QAB1(A),XR(c)
- Refutation
- K(d);N_SPINR(c),P-FLIGHT
- Try
- B(F);
- Vars
- P(f);OGATEB::QAB(A)
- S(a);SBLOCK::S(D)
- B(b);::QAB1(A),XR(c)
- S(a);OGATE::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- Refutation
- B(b);CHECK
- Try
- B(F);
- Vars
- P(f);OGATEB::QAB(A)
- S(a);SBLOCK::S(D)
- B(b);::QAB1(A),XR(c)
- S(a);OGATE::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- Refutation
- B(b);CHECK
- Try
- B(F);
- Vars
- P(f);OGATEB::QAB(A)
- S(a);SBLOCK::S(D)
- B(b);::QAB1(A),XR(c)
- S(a);OGATE::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- Refutation
- B(b);CHECK
- Try
- R(B);
- Vars
- P(f);OGATEB::QAB(A)
- B(b);::QAB1(A),XR(c)
- B(b);P_PINB(F)::QAB1(A),XR(c)
- S(a);OGATE::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
- Refutation
- S(a);
- Try
- Q(A);CHECK,N_PINR(c)
- Vars
- R(c);P_SPINR(c)::S(E)
- B(b);P_SPINB(b)::S(E)
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(A);N_PINR(c)
- Threat
- DUALS(2)
- Vars
- R(c);::QAB(A)
- B(b);::QAB(A)
- S(a);::QAB(A)
- Refutation
- R(c);P_PINQ(A)
- Try
- Actual
- K(G);P-FLIGHT
- Vars
- P(f);OGATEB::QAB(A)
- B(b);::QAB1(A),XR(c)
- S(a);SBLOCK::S(D)
- S(a);OGATE::QAB(A)
- S(h);N_GUARD::S(D),XS(h)
- S(h);N_GUARD::S(D)
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).