MESON Chess Problem Database
Problem Display
PID: 160832 (8/8/8/8/8/4N3/1rb2R2/kBQ3K1 w - - 0 1)
Williams, Philip Hamilton
Daventry Express, 1904
#2
5 + 3
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Bxc2#
- 1...Rb3
- 2.Sxc2#
- 1...Rb4
- 2.Sxc2#
- 1...Rb5
- 2.Sxc2#
- 1...Rb6
- 2.Sxc2#
- 1...Rb7
- 2.Sxc2#
- 1...Rb8
- 2.Sxc2#
- 1...Bxb1
- 2.Qxb2#
- 1...Bd1
- 2.Qxb2#
- 1...Bb3
- 2.Qxb2#
- 1...Bd3
- 2.Qxb2#
- 1...Ba4
- 2.Qxb2#
- 1...Be4
- 2.Qxb2#
- 1...Bf5
- 2.Qxb2#
- 1...Bg6
- 2.Qxb2#
- 1...Bh7
- 2.Qxb2#
- 1...Ra2
- Tries
- 1.Kg2?
- 1...Rxb1
- 2.Qa3#
- 1...Bxb1
- 2.Qxb2#
- 1...Ra2
- 2.Bxc2#
- 1...Rb3
- 2.Sxc2#
- 1...Rb4
- 2.Sxc2#
- 1...Rb5
- 2.Sxc2#
- 1...Rb6
- 2.Sxc2#
- 1...Rb7
- 2.Sxc2#
- 1...Rb8
- 2.Sxc2#
- 1...Bd1
- 2.Qxb2#
- 1...Bb3
- 2.Qxb2#
- 1...Bd3
- 2.Qxb2#
- 1...Ba4
- 2.Qxb2#
- 1...Bf5
- 2.Qxb2#
- 1...Bg6
- 2.Qxb2#
- 1...Bh7
- 2.Qxb2#
- 1...Be4+!
- 1...Rxb1
- 1.Bxc2+?
- 1...Rb1
- 2.Qxb1#
- 1...Ka2!
- 1...Rb1
- 1.Rxc2?
- threat
- 2.Qxb2#
- 1...Rxc2
- 2.Sxc2#
- 1...Rb3
- 2.Ra2#
- 1...Ra2
- 2.Bxa2#
- 2.Rxa2#
- 1...Rb4
- 2.Ra2#
- 1...Rb5
- 2.Ra2#
- 1...Rb6
- 2.Ra2#
- 1...Rb7
- 2.Ra2#
- 1...Rb8
- 2.Ra2#
- 1...Rxb1!
- threat
- 1.Rd2?
- 1...Bxb1
- 2.Qxb2#
- 1...Rb3
- 2.Sxc2#
- 1...Ra2
- 2.Bxc2#
- 1...Rb4
- 2.Sxc2#
- 1...Rb5
- 2.Sxc2#
- 1...Rb6
- 2.Sxc2#
- 1...Rb7
- 2.Sxc2#
- 1...Rb8
- 2.Sxc2#
- 1...Bd1
- 2.Qxb2#
- 1...Bb3
- 2.Qxb2#
- 1...Bd3
- 2.Qxb2#
- 1...Ba4
- 2.Qxb2#
- 1...Be4
- 2.Qxb2#
- 1...Bf5
- 2.Qxb2#
- 1...Bg6
- 2.Qxb2#
- 1...Bh7
- 2.Qxb2#
- 1...Rxb1!
- 1...Bxb1
- 1.Re2?
- 1...Bxb1
- 2.Qxb2#
- 1...Rb3
- 2.Sxc2#
- 1...Ra2
- 2.Bxc2#
- 1...Rb4
- 2.Sxc2#
- 1...Rb5
- 2.Sxc2#
- 1...Rb6
- 2.Sxc2#
- 1...Rb7
- 2.Sxc2#
- 1...Rb8
- 2.Sxc2#
- 1...Bd1
- 2.Qxb2#
- 1...Bb3
- 2.Qxb2#
- 1...Bd3
- 2.Qxb2#
- 1...Ba4
- 2.Qxb2#
- 1...Be4
- 2.Qxb2#
- 1...Bf5
- 2.Qxb2#
- 1...Bg6
- 2.Qxb2#
- 1...Bh7
- 2.Qxb2#
- 1...Rxb1!
- 1...Bxb1
- 1.Rg2?
- 1...Bxb1
- 2.Qxb2#
- 1...Rb3
- 2.Sxc2#
- 1...Ra2
- 2.Bxc2#
- 1...Rb4
- 2.Sxc2#
- 1...Rb5
- 2.Sxc2#
- 1...Rb6
- 2.Sxc2#
- 1...Rb7
- 2.Sxc2#
- 1...Rb8
- 2.Sxc2#
- 1...Bd1
- 2.Qxb2#
- 1...Bb3
- 2.Qxb2#
- 1...Bd3
- 2.Qxb2#
- 1...Ba4
- 2.Qxb2#
- 1...Be4
- 2.Qxb2#
- 1...Bf5
- 2.Qxb2#
- 1...Bg6
- 2.Qxb2#
- 1...Bh7
- 2.Qxb2#
- 1...Rxb1!
- 1...Bxb1
- 1.Rh2?
- 1...Bxb1
- 2.Qxb2#
- 1...Rb3
- 2.Sxc2#
- 1...Ra2
- 2.Bxc2#
- 1...Rb4
- 2.Sxc2#
- 1...Rb5
- 2.Sxc2#
- 1...Rb6
- 2.Sxc2#
- 1...Rb7
- 2.Sxc2#
- 1...Rb8
- 2.Sxc2#
- 1...Bd1
- 2.Qxb2#
- 1...Bb3
- 2.Qxb2#
- 1...Bd3
- 2.Qxb2#
- 1...Ba4
- 2.Qxb2#
- 1...Be4
- 2.Qxb2#
- 1...Bf5
- 2.Qxb2#
- 1...Bg6
- 2.Qxb2#
- 1...Bh7
- 2.Qxb2#
- 1...Rxb1!
- 1...Bxb1
- 1.Kg2?
- Keys
- 1.Kh2!
- 1...Rxb1
- 2.Qa3#
- 1...Bxb1
- 2.Qxb2#
- 1...Ra2
- 2.Bxc2#
- 1...Rb3
- 2.Sxc2#
- 1...Rb4
- 2.Sxc2#
- 1...Rb5
- 2.Sxc2#
- 1...Rb6
- 2.Sxc2#
- 1...Rb7
- 2.Sxc2#
- 1...Rb8
- 2.Sxc2#
- 1...Bd1
- 2.Qxb2#
- 1...Bb3
- 2.Qxb2#
- 1...Bd3
- 2.Qxb2#
- 1...Ba4
- 2.Qxb2#
- 1...Be4
- 2.Qxb2#
- 1...Bf5
- 2.Qxb2#
- 1...Bg6
- 2.Qxb2#
- 1...Bh7
- 2.Qxb2#
- 1...Rxb1
- 1.Kh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD,SBLOCK::QAR(B)+B(A),XB(c)
- R(b);N_GUARD::S(E),XB(c)
- B(c);P_SPINB(c),XB(A)::QAB1(B),XR(b)
- B(c);::QAB1(B),XR(b)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- R(b);OGATE,P_SPINR(b),SBLOCK,XB(A)::QAR2(B)
- B(c);P_PINR(D),P_SPINB(c),XB(A)::QAB1(B),XR(b)
- R(b);N_GUARD,SBLOCK::QAR(B)+B(A),XB(c)
- R(b);N_GUARD::S(E),XB(c)
- B(c);P_PINR(D)::QAB1(B),XR(b)
- Refutation
- B(c);CHECK,P_PINR(D)
- Try
- B(A);CHECK,XB(c)
- Vars
- R(b);N_GUARD,P_PINQ(B),P_SPINR(b)::QAR1(B),XR(b)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);XB(c)
- Threat
- QAB1(B),XR(b)
- Vars
- R(b);XR(D)::S(E),XR(b)
- R(b);OGATE::R1(D)
- Refutation
- R(b);P_PINQ(B),P_SPINR(b),XB(A)
- Try
- R(D);
- Vars
- B(c);P_SPINB(c),XB(A)::QAB1(B),XR(b)
- R(b);N_GUARD::S(E),XB(c)
- R(b);N_GUARD,SBLOCK::QAR(B)+B(A),XB(c)
- B(c);::QAB1(B),XR(b)
- Refutation
- R(b);P_PINQ(B),P_SPINR(b),XB(A)
- Try
- R(D);
- Vars
- B(c);P_SPINB(c),XB(A)::QAB1(B),XR(b)
- R(b);N_GUARD::S(E),XB(c)
- R(b);N_GUARD,SBLOCK::QAR(B)+B(A),XB(c)
- B(c);::QAB1(B),XR(b)
- Refutation
- R(b);P_PINQ(B),P_SPINR(b),XB(A)
- Try
- R(D);
- Vars
- B(c);P_SPINB(c),XB(A)::QAB1(B),XR(b)
- R(b);N_GUARD::S(E),XB(c)
- R(b);N_GUARD,SBLOCK::QAR(B)+B(A),XB(c)
- B(c);::QAB1(B),XR(b)
- Refutation
- R(b);P_PINQ(B),P_SPINR(b),XB(A)
- Try
- R(D);
- Vars
- B(c);P_SPINB(c),XB(A)::QAB1(B),XR(b)
- R(b);N_GUARD::S(E),XB(c)
- R(b);N_GUARD,SBLOCK::QAR(B)+B(A),XB(c)
- B(c);::QAB1(B),XR(b)
- Refutation
- R(b);P_PINQ(B),P_SPINR(b),XB(A)
- Try
- Actual
- K(C);S_FLIGHT
- Vars
- R(b);OGATE,P_SPINR(b),SBLOCK,XB(A)::QAR2(B)
- B(c);P_PINR(D),P_SPINB(c),XB(A)::QAB1(B),XR(b)
- R(b);N_GUARD,SBLOCK::QAR(B)+B(A),XB(c)
- R(b);N_GUARD::S(E),XB(c)
- B(c);P_PINR(D)::QAB1(B),XR(b)
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).