MESON Chess Problem Database
Problem Display
PID: 62483 (6b1/4p3/1R1Np3/pR1rk1P1/Q5P1/Bp1p4/1P1K1n2/8 w - - 0 1)
Bonavia-Hunt, Rev Noel Aubrey
Chess, 1944
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxb5
- 2.Rxb5#
- 1...Rc5
- 2.Rxc5#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4+
- 2.Qxe4#
- 1...Sxg4
- 2.Qe4#
- 1...exd6
- 2.Bxd6#
- 1...Rxb5
- Tries
- 1.Kc1?
- 1...Rc5+
- 2.Rxc5#
- 1...Rxb5
- 2.Rxb5#
- 1...Sxg4
- 2.Qe4#
- 1...exd6
- 2.Bxd6#
- 1...Se4
- 2.Qxe4#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...d2+!
- 1...Rc5+
- 1.Ke1?
- 1...Rxb5
- 2.Rxb5#
- 1...Sxg4
- 2.Qe4#
- 1...exd6
- 2.Bxd6#
- 1...Rc5
- 2.Rxc5#
- 1...Se4
- 2.Qxe4#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...d2+!
- 1...Rxb5
- 1.Kc3?
- threat
- 2.Qd4#
- 1...Rc5+
- 2.Rxc5#
- 1...Se4+
- 2.Qxe4#
- 1...Sd1+!
- threat
- 1.Rxa5?
- 1...Se4+
- 2.Qxe4#
- 1...Sxg4
- 2.Qe4#
- 1...exd6
- 2.Bxd6#
- 1...Rb5
- 2.Raxb5#
- 2.Rbxb5#
- 1...Rc5
- 2.Rxc5#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Rxa5!
- 1...Se4+
- 1.Ra6?
- 1...Se4+
- 2.Qxe4#
- 1...Sxg4
- 2.Qe4#
- 1...exd6
- 2.Bxd6#
- 1...Rc5
- 2.Rxc5#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Rxb5!
- 1...Se4+
- 1.Rc6?
- 1...Se4+
- 2.Qxe4#
- 1...Sxg4
- 2.Qe4#
- 1...exd6
- 2.Bxd6#
- 1...Rc5
- 2.Rbxc5#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Rxb5!
- 1...Se4+
- 1.Qc4?
- 1...Se4+
- 2.Qxe4#
- 1...Rxb5
- 2.Rxb5#
- 1...Sxg4
- 2.Qe4#
- 1...exd6
- 2.Bxd6#
- 1...Rc5
- 2.Rxc5#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...a4!
- 1...Se4+
- 1.Kc1?
- Keys
- 1.Bc5!
- 1...Se4+
- 2.Qxe4#
- 1...Rxc5
- 2.Rxc5#
- 1...Rxd6
- 2.Bxd6#
- 1...Sxg4
- 2.Qe4#
- 1...exd6
- 2.Bxd6#
- 1...Rd4
- 2.Qxd4#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sd1
- 2.Qe4#
- 1...Sh1
- 2.Qe4#
- 1...Sh3
- 2.Qe4#
- 1...Se4+
- 1.Bc5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(e);N_SPINR(e),OGATE,XR(F)::R(H),XR(e)
- R(e);OGATEB::R(F),XR(e)
- B(i);N_GUARD::S(I),XB(i)
- B(i);N_GUARD::S(I)
- S(a);N_GUARD::QAR1(D)
- S(a);CHECK,N_GUARD::QAR1(D),XS(a)
- S(a);N_GUARD,XP(E)::QAR1(D)
- P(h);OGATE,XS(I)::B(C),XP(h)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- R(e);CHECK,OGATEB::R(F),XR(e)
- R(e);N_SPINR(e),OGATE,XR(F)::R(H),XR(e)
- S(a);N_GUARD,XP(E)::QAR1(D)
- P(h);OGATE,XS(I)::B(C),XP(h)
- S(a);N_GUARD::QAR1(D),XS(a)
- B(i);N_GUARD::S(I),XB(i)
- B(i);N_GUARD::S(I)
- S(a);N_GUARD::QAR1(D)
- Refutation
- P(c);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- R(e);N_SPINR(e),OGATE,XR(F)::R(H),XR(e)
- S(a);N_GUARD,XP(E)::QAR1(D)
- P(h);OGATE,XS(I)::B(C),XP(h)
- R(e);OGATEB::R(F),XR(e)
- S(a);N_GUARD::QAR1(D),XS(a)
- B(i);N_GUARD::S(I),XB(i)
- B(i);N_GUARD::S(I)
- S(a);N_GUARD::QAR1(D)
- Refutation
- P(c);CHECK
- Try
- K(B);S_FLIGHT
- Threat
- QAB1(D)
- Vars
- R(e);CHECK,OGATEB::R(F),XR(e)
- S(a);CHECK,N_GUARD::QAR1(D),XS(a)
- Refutation
- S(a);CHECK
- Try
- R(F);XP(d)
- Vars
- S(a);CHECK,N_GUARD::QAR1(D),XS(a)
- S(a);N_GUARD,XP(E)::QAR1(D)
- P(h);OGATE,XS(I)::B(C),XP(h)
- R(e);OGATEB::R(F),XR(e)
- B(i);N_GUARD::S(I),XB(i)
- B(i);N_GUARD::S(I)
- S(a);N_GUARD::QAR1(D)
- Refutation
- R(e);N_SPINR(e),XR(F)
- Try
- R(H);
- Vars
- S(a);CHECK,N_GUARD::QAR1(D),XS(a)
- S(a);N_GUARD,XP(E)::QAR1(D)
- P(h);OGATE,XS(I)::B(C),XP(h)
- R(e);OGATEB::R(F),XR(e)
- B(i);N_GUARD::S(I),XB(i)
- B(i);N_GUARD::S(I)
- S(a);N_GUARD::QAR1(D)
- Refutation
- R(e);N_SPINR(e),XR(F)
- Try
- R(H);
- Vars
- S(a);CHECK,N_GUARD::QAR1(D),XS(a)
- S(a);N_GUARD,XP(E)::QAR1(D)
- P(h);OGATE,XS(I)::B(C),XP(h)
- R(e);OGATEB::R(F),XR(e)
- B(i);N_GUARD::S(I),XB(i)
- B(i);N_GUARD::S(I)
- S(a);N_GUARD::QAR1(D)
- Refutation
- R(e);N_SPINR(e),XR(F)
- Try
- Q(D);
- Vars
- S(a);CHECK,N_GUARD::QAR1(D),XS(a)
- R(e);N_SPINR(e),OGATE,XR(F)::R(H),XR(e)
- S(a);N_GUARD,XP(E)::QAR1(D)
- P(h);OGATE,XS(I)::B(C),XP(h)
- R(e);OGATEB::R(F),XR(e)
- B(i);N_GUARD::S(I),XB(i)
- B(i);N_GUARD::S(I)
- S(a);N_GUARD::QAR1(D)
- Refutation
- P(d);
- Try
- Actual
- B(C);N_PINR(e)
- Vars
- S(a);CHECK,N_GUARD::QAR1(D),XS(a)
- R(e);OGATE,P_SPINR(e),XB(C)::R(F),XR(e)
- R(e);OGATE,XS(I)::R(F)+B(C),DCHECK,XR(e)
- S(a);N_GUARD,XP(E)::QAR1(D)
- P(h);OGATE,XS(I)::B(C),XP(h)
- R(e);N_GUARD::QAB1(D),XR(e)
- B(i);N_GUARD::S(I),XB(i)
- B(i);N_GUARD::S(I)
- S(a);N_GUARD::QAR1(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).