MESON Chess Problem Database
Problem Display
PID: 141841 (4B3/1N6/3p4/1pB1pp2/2p1kbR1/3R3N/Q7/4Kb1n w - - 0 1)
Nield, Joshua
The Referee, 1922
(First published on Sun Oct 15 1922)
#2
8 + 9
| 15239 | Valois Notebooks | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Qe2#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...cxd3
- 2.Sg5#
- 1...c3
- 2.Re3#
- 2.Qd5#
- 1...b4
- 2.Qxc4#
- 1...fxg4
- 2.Bg6#
- 1...dxc5
- 2.Sxc5#
- 1...d5
- 2.Re3#
- 1...Be2
- Tries
- 1.Bg1?
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Qe2#
- 1...cxd3
- 2.Sg5#
- 1...fxg4
- 2.Bg6#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...c3
- 2.Qd5#
- 1...b4
- 2.Qxc4#
- 1...d5
- 2.Sc5#
- 1...Kxd3!
- 1...Bxd3
- 1.Bb6?
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Qe2#
- 1...cxd3
- 2.Sg5#
- 1...fxg4
- 2.Bg6#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...c3
- 2.Re3#
- 2.Qd5#
- 1...b4
- 2.Qxc4#
- 1...d5
- 2.Sc5#
- 2.Re3#
- 1...Kxd3!
- 1...Bxd3
- 1.Ba7?
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Qe2#
- 1...cxd3
- 2.Sg5#
- 1...fxg4
- 2.Bg6#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...c3
- 2.Re3#
- 2.Qd5#
- 1...b4
- 2.Qxc4#
- 1...d5
- 2.Sc5#
- 2.Re3#
- 1...Kxd3!
- 1...Bxd3
- 1.Bxb5?
- threat
- 2.Qxc4#
- 1...Kxd3
- 2.Qxc4#
- 1...Bxd3
- 2.Qg2#
- 1...cxd3
- 2.Sg5#
- 1...c3
- 2.Sg5#
- 2.Sxd6#
- 2.Re3#
- 2.Qc4#
- 2.Qd5#
- 2.Qa4#
- 1...d5
- 2.Re3#
- 1...fxg4!
- threat
- 1.Bh5?
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Qe2#
- 1...cxd3
- 2.Sg5#
- 1...fxg4
- 2.Bg6#
- 1...dxc5
- 2.Sxc5#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...c3
- 2.Re3#
- 2.Qd5#
- 1...b4
- 2.Qxc4#
- 1...d5
- 2.Re3#
- 1...Kxd3!
- 1...Bxd3
- 1.Bc6+?
- 1...d5
- 2.Re3#
- 1...Kxd3!
- 1...d5
- 1.Bg6?
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Qe2#
- 1...cxd3
- 2.Sg5#
- 1...dxc5
- 2.Sxc5#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...c3
- 2.Re3#
- 2.Qd5#
- 1...b4
- 2.Qxc4#
- 1...d5
- 2.Re3#
- 1...Kxd3!
- 1...Bxd3
- 1.Bf7?
- threat
- 2.Re3#
- 1...Bxd3
- 2.Sg5#
- 2.Qg2#
- 1...cxd3
- 2.Sg5#
- 2.Bd5#
- 2.Qd5#
- 1...fxg4
- 2.Bg6#
- 1...dxc5
- 2.Sxc5#
- 1...Kxd3!
- threat
- 1.Rxf4+?
- 1...Kxd3
- 2.Qd2#
- 1...exf4!
- 1...Kxd3
- 1.Rh4?
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Qe2#
- 1...cxd3
- 2.Sg5#
- 1...dxc5
- 2.Sxc5#
- 1...Be2
- 2.Qxe2#
- 1...Bg2
- 2.Qe2#
- 1...Sf2
- 2.Sxf2#
- 1...Sg3
- 2.Sf2#
- 1...c3
- 2.Re3#
- 2.Qd5#
- 1...b4
- 2.Qxc4#
- 1...d5
- 2.Re3#
- 1...Kxd3!
- 1...Bxd3
- 1.Qc2?
- threat
- 2.Sg5#
- 2.Sxd6#
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Sxd6#
- 2.Qe2#
- 1...fxg4
- 2.Sxd6#
- 2.Bg6#
- 1...dxc5
- 2.Sg5#
- 2.Sxc5#
- 2.Sd6#
- 2.Bc6#
- 1...d5
- 2.Sg5#
- 2.Sd6#
- 2.Re3#
- 1...cxd3!
- threat
- 1.Qd2?
- threat
- 2.Sg5#
- 2.Sxd6#
- 2.Re3#
- 2.Qe3#
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Sxd6#
- 2.Re3#
- 2.Qe3#
- 2.Qe2#
- 1...fxg4
- 2.Sxd6#
- 2.Bg6#
- 1...dxc5
- 2.Sg5#
- 2.Sxc5#
- 2.Sd6#
- 2.Bc6#
- 2.Re3#
- 2.Qe3#
- 1...d5
- 2.Sg5#
- 2.Sd6#
- 2.Re3#
- 2.Qe3#
- 1...cxd3!
- threat
- 1.Bg1?
- Keys
- 1.Kd1!
- 1...Be2+
- 2.Qxe2#
- 1...Sf2+
- 2.Sxf2#
- 1...Kxd3
- 2.Qc2#
- 1...Bxd3
- 2.Qg2#
- 1...Bxh3
- 2.Qe2#
- 1...cxd3
- 2.Sg5#
- 1...fxg4
- 2.Bg6#
- 1...dxc5
- 2.Sxc5#
- 1...Bg2
- 2.Qe2#
- 1...Sg3
- 2.Sf2#
- 1...c3
- 2.Re3#
- 2.Qd5#
- 1...b4
- 2.Qxc4#
- 1...d5
- 2.Re3#
- 1...Be2+
- 1.Kd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAR2(B),XB(a)
- B(a);N_GUARD::QAR2(B)
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- B(a);N_GUARD,XS(D)::QAR2(B)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(c);SBLOCK,XR(C)::S(D)
- P(f);N_GUARD::QAR2(B),XP(c)
- P(h);N_SPINB(e),OGATEB,XR(E)::B(H)
- P(i);XB(F)::S(G),XP(i)
- P(i);SBLOCK::R1(C)
- Tries
- Try
- B(F);
- Vars
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- B(a);N_GUARD,XS(D)::QAR2(B)
- P(c);SBLOCK,XR(C)::S(D)
- P(h);N_SPINB(e),OGATEB,XR(E)::B(H)
- B(a);N_GUARD::QAR2(B),XB(a)
- B(a);N_GUARD::QAR2(B)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(c);OGATE::QAB1(B)
- P(f);N_GUARD::QAR2(B),XP(c)
- P(i);N_GUARD::S(G)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(C)
- Try
- B(F);
- Vars
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- B(a);N_GUARD,XS(D)::QAR2(B)
- P(c);SBLOCK,XR(C)::S(D)
- P(h);N_SPINB(e),OGATEB,XR(E)::B(H)
- B(a);N_GUARD::QAR2(B),XB(a)
- B(a);N_GUARD::QAR2(B)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(f);N_GUARD::QAR2(B),XP(c)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(C)
- Try
- B(F);
- Vars
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- B(a);N_GUARD,XS(D)::QAR2(B)
- P(c);SBLOCK,XR(C)::S(D)
- P(h);N_SPINB(e),OGATEB,XR(E)::B(H)
- B(a);N_GUARD::QAR2(B),XB(a)
- B(a);N_GUARD::QAR2(B)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(f);N_GUARD::QAR2(B),XP(c)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(C)
- Try
- B(H);XP(f)
- Threat
- QAR2(B),XP(c)
- Vars
- K(d);N_SPINB(e),P_SPINP(c),S_FLIGHT,XR(C)::QAB1(B),XP(c)
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- P(c);XR(C)::S(D)
- P(i);SBLOCK::R1(C)
- Refutation
- P(h);N_SPINB(e),XR(E)
- Try
- B(H);
- Vars
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- B(a);N_GUARD,XS(D)::QAR2(B)
- P(c);SBLOCK,XR(C)::S(D)
- P(h);N_SPINB(e),OGATEB,XR(E)::B(H)
- P(i);XB(F)::S(G),XP(i)
- B(a);N_GUARD::QAR2(B),XB(a)
- B(a);N_GUARD::QAR2(B)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(f);N_GUARD::QAR2(B),XP(c)
- P(i);SBLOCK::R1(C)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(C)
- Try
- B(H);CHECK
- Vars
- P(i);P_SPINP(i)::R1(C)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(C)
- Try
- B(H);P_PINP(h)
- Vars
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- B(a);N_GUARD,XS(D)::QAR2(B)
- P(c);SBLOCK,XR(C)::S(D)
- P(i);XB(F)::S(G),XP(i)
- B(a);N_GUARD::QAR2(B),XB(a)
- B(a);N_GUARD::QAR2(B)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(f);N_GUARD::QAR2(B),XP(c)
- P(i);SBLOCK::R1(C)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(C)
- Try
- B(H);
- Threat
- R1(C)
- Vars
- P(h);N_SPINB(e),OGATEB,XR(E)::B(H)
- P(i);XB(F)::S(G),XP(i)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(C)
- Try
- R(E);CHECK,XB(e)
- Vars
- K(d);S_FLIGHT,XR(C)::QAR1(B)
- Refutation
- P(g);XR(E)
- Try
- R(E);
- Vars
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- B(a);N_GUARD,XS(D)::QAR2(B)
- P(c);SBLOCK,XR(C)::S(D)
- P(i);XB(F)::S(G),XP(i)
- B(a);N_GUARD::QAR2(B),XB(a)
- B(a);N_GUARD::QAR2(B)
- S(b);N_GUARD::S(D),XS(b)
- S(b);N_GUARD::S(D)
- P(f);N_GUARD::QAR2(B),XP(c)
- P(i);SBLOCK::R1(C)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XR(C)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD,N_SPINB(e),P_SPINB(a),SBLOCK,XR(C)::QAB(B)
- Refutation
- P(c);P_SPINP(c),XR(C)
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- Refutation
- P(c);XR(C)
- Try
- Actual
- K(A);P-FLIGHT
- Vars
- B(a);CHECK,N_GUARD::QAR2(B),XB(a)
- S(b);CHECK,N_GUARD::S(D),XS(b)
- K(d);N_SPINB(e),OGATEB,S_FLIGHT,XR(C)::QAB1(B)
- B(a);N_GUARD,SBLOCK,XR(C)::QAB(B)
- B(a);N_GUARD,XS(D)::QAR2(B)
- P(c);SBLOCK,XR(C)::S(D)
- P(h);N_SPINB(e),OGATEB,XR(E)::B(H)
- P(i);XB(F)::S(G),XP(i)
- B(a);N_GUARD::QAR2(B)
- S(b);N_GUARD::S(D)
- P(f);N_GUARD::QAR2(B),XP(c)
- P(i);SBLOCK::R1(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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