MESON Chess Problem Database
Problem Display
PID: 160673 (1n1b3r/1K3RNB/1NPPP3/1pk4n/p2R2b1/8/1P6/6B1 w - - 0 1)
Williams, Philip Hamilton
Reading Observer, 1903
#2
11 + 8
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Rf5#
- 1...Be2
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...Bxe6
- 2.Sxe6#
- 1...Sa6
- 2.Sd7#
- 1...Sxc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...a3
- 2.b4#
- 1...b4
- 2.Rd5#
- 1...Bd1
- Tries
- 1.Sf5?
- threat
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rxg4#
- 1...Bxf5
- 2.Rxf5#
- 1...Sxc6
- 2.Sd7#
- 2.Rc4#
- 1...b4
- 2.Rd5#
- 1...Bd1
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Be2
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Bf3
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Bh3
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Bh4
- 2.Rc4#
- 1...Bg5
- 2.Rc4#
- 2.Rf4#
- 1...Bf6
- 2.Rc4#
- 1...Sf4
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rxf4#
- 1...a3
- 2.Ra4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rxg4#
- 2.b4#
- 1...Bxb6!
- threat
- 1.Rf1?
- threat
- 2.Rc1#
- 1...Bxe6
- 2.Sxe6#
- 1...b4
- 2.Rd5#
- 1...Bd1
- 2.Rf5#
- 1...Be2
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...Bg5!
- threat
- 1.Rf3?
- threat
- 2.Rc3#
- 1...Bxe6
- 2.Sxe6#
- 1...b4
- 2.Rd5#
- 1...Bxf3!
- threat
- 1.Rff4?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd5#
- 1...Bxb6
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 1...Sxc6
- 2.Sd7#
- 2.Rd5#
- 1...b4
- 2.Rd5#
- 1...Bd1
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd5#
- 2.Rf5#
- 1...Bh4
- 2.Rd5#
- 1...Bf6
- 2.Rd5#
- 1...Sxf4!
- threat
- 1.Rd7?
- threat
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rxg4#
- 1...Bxe6
- 2.Sxe6#
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Sxc6
- 2.Rc4#
- 1...Sxd7
- 2.Sxd7#
- 1...b4
- 2.Rd5#
- 1...Rf8
- 2.Rc4#
- 2.Rf4#
- 1...Bd1
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Be2
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Bf3
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Bh3
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Bf5
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 1...Bh4
- 2.Rc4#
- 1...Bg5
- 2.Rc4#
- 2.Rf4#
- 1...Bf6
- 2.Rc4#
- 1...Sf4
- 2.Rxa4#
- 2.Rc4#
- 2.Re4#
- 2.Rxf4#
- 1...a3
- 2.Ra4#
- 2.Rc4#
- 2.Re4#
- 2.Rf4#
- 2.Rxg4#
- 2.b4#
- 1...Bxb6!
- threat
- 1.b3?
- threat
- 2.b4#
- 1...Sxc6
- 2.Sd7#
- 1...b4
- 2.Rd5#
- 1...Sa6
- 2.Sd7#
- 1...axb3!
- threat
- 1.Sf5?
- Keys
- 1.Rf2!
- threat
- 2.Rc2#
- 1...Kxd4
- 2.Re2#
- 1...Bxe6
- 2.Sxe6#
- 1...b4
- 2.Rd5#
- 1...Bd1
- 2.Rf5#
- 1...Be2
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- threat
- 1.Rf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(b);N_GUARD::R(I)
- B(b);N_GUARD::R(I),XB(b)
- B(b);XP(G)::S(J),XB(b)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD,XP(E)::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(a);N_GUARD::P(B)
- P(c);SBLOCK::B(A)+R(C),DCHECK
- Tries
- Try
- S(J);
- Threat
- DUALS(5)
- Vars
- B(b);OGATE,XS(J)::R(I),XB(b)
- P(c);SBLOCK::B(A)+R(C),DCHECK
- B(g);::B(A)+R(C),DCHECK
- Refutation
- B(g);XS(D)
- Try
- R(I);
- Threat
- R(I)
- Vars
- B(b);XP(G)::S(J),XB(b)
- P(c);SBLOCK::B(A)+R(C),DCHECK
- B(b);N_GUARD::R(I)
- B(b);N_GUARD::R(I),XB(b)
- Refutation
- B(g);
- Try
- R(I);
- Threat
- R(I)
- Vars
- B(b);XP(G)::S(J),XB(b)
- P(c);SBLOCK::B(A)+R(C),DCHECK
- Refutation
- B(b);P_PINP(E),XR(I)
- Try
- R(I);
- Threat
- DUALS(4)
- Vars
- P(c);::B(A)+R(C),DCHECK
- B(g);::B(A)+R(C),DCHECK
- Refutation
- S(e);XR(I)
- Try
- R(I);
- Threat
- DUALS(5)
- Vars
- S(f);XP(E)::B(A)+R(C),DCHECK
- S(f);XR(I)::S(D),XS(f)
- P(c);SBLOCK::B(A)+R(C),DCHECK
- B(g);::B(A)+R(C),DCHECK
- Refutation
- B(g);XS(D)
- Try
- P(B);
- Threat
- P(B)
- Vars
- S(f);N_GUARD,XP(E)::S(D)
- P(c);SBLOCK::B(A)+R(C),DCHECK
- S(f);N_GUARD::S(D)
- Refutation
- P(a);XP(B)
- Try
- Actual
- R(I);
- Threat
- R(I)
- Vars
- K(d);OGATEB,S_FLIGHT,XR(C)::B(A)+R(I)
- B(b);XP(G)::S(J),XB(b)
- P(c);SBLOCK::R1(C)
- B(b);N_GUARD::R(I)
- B(b);N_GUARD::R(I),XB(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).