MESON Chess Problem Database
Problem Display
PID: 1116 (1Q4B1/4p3/2Pn3N/p3R1p1/P2k1pK1/p2P4/1P5B/2N5 w - - 0 1)
Ormond, Richard
The Westminster Papers, 1873
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Sc4
- 2.Sf5#
- 1...Se4
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 2.Bg1#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 2.Bg1#
- 1...Sf7
- 2.Sf5#
- 2.Bg1#
- 1...Sc8
- 2.Sf5#
- 2.Bg1#
- 1...Se8
- 2.Sf5#
- 2.Bg1#
- 1...axb2
- 2.Qxb2#
- 1...f3
- 2.Qa7#
- 2.Qb6#
- 1...e6
- 2.Qxd6#
- 1...Sc4
- Tries
- 1.Bxf4?
- threat
- 2.Rd5#
- 2.Qa7#
- 2.Qb6#
- 1...axb2
- 2.Qxb2#
- 1...Sc4
- 2.Sf5#
- 2.Rd5#
- 1...Se4
- 2.Sf5#
- 2.Rd5#
- 1...Sb5
- 2.Sf5#
- 2.Be3#
- 2.Rd5#
- 2.Qb6#
- 1...Sb7
- 2.Sf5#
- 2.Be3#
- 2.Rd5#
- 1...Sf7
- 2.Sf5#
- 2.Be3#
- 2.Qa7#
- 2.Qb6#
- 1...Sc8
- 2.Sf5#
- 2.Be3#
- 2.Rd5#
- 1...e6
- 2.Qxd6#
- 2.Qa7#
- 2.Qb6#
- 1...gxf4!
- threat
- 1.Bc4?
- 1...Kxe5
- 2.Qh8#
- 1...Sxc4
- 2.Sf5#
- 1...axb2
- 2.Qxb2#
- 1...Se4
- 2.Sf5#
- 1...Sb5
- 2.Se2#
- 2.Sb3#
- 2.Sf5#
- 2.Bg1#
- 1...Sf5
- 2.Se2#
- 2.Sb3#
- 2.Sxf5#
- 1...Sb7
- 2.Se2#
- 2.Sb3#
- 2.Sf5#
- 2.Bg1#
- 1...Sf7
- 2.Se2#
- 2.Sb3#
- 2.Sf5#
- 2.Bg1#
- 1...Sc8
- 2.Se2#
- 2.Sb3#
- 2.Sf5#
- 2.Bg1#
- 1...Se8
- 2.Se2#
- 2.Sb3#
- 2.Sf5#
- 2.Bg1#
- 1...f3
- 2.Sb3#
- 2.Qa7#
- 2.Qb6#
- 1...e6
- 2.Qxd6#
- 1...a2!
- 1...Kxe5
- 1.Bf7?
- 1...Kxe5
- 2.Qh8#
- 1...Sxf7
- 2.Sf5#
- 2.Bg1#
- 1...axb2
- 2.Qxb2#
- 1...Sc4
- 2.Sf5#
- 1...Se4
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 2.Bg1#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 2.Bg1#
- 1...Sc8
- 2.Sf5#
- 2.Bg1#
- 1...Se8
- 2.Sf5#
- 2.Bg1#
- 1...f3
- 2.Qa7#
- 2.Qb6#
- 1...e6
- 2.Qxd6#
- 1...a2!
- 1...Kxe5
- 1.Qb3?
- threat
- 2.Qd5#
- 2.Qc3#
- 1...Kxe5
- 2.Qc3#
- 1...axb2
- 2.Qxb2#
- 1...Sc4
- 2.Qc3#
- 1...Sb5
- 2.Qd5#
- 1...e6
- 2.Qc3#
- 1...Se4!
- threat
- 1.Qb4+?
- 1...Kxe5
- 2.Qc3#
- 1...Sc4
- 2.Re4#
- 2.Qc3#
- 2.Qc5#
- 1...axb4!
- 1...Kxe5
- 1.Qb5?
- threat
- 2.Se2#
- 2.Sb3#
- 2.Bg1#
- 2.Qc5#
- 2.Qd5#
- 1...axb2
- 2.Se2#
- 2.Qxb2#
- 2.Qc5#
- 1...Se4
- 2.Sf5#
- 2.Rxe4#
- 1...Sc4
- 2.Sf5#
- 2.Re4#
- 2.Qc5#
- 2.Qd5#
- 1...Sf5
- 2.Se2#
- 2.Sb3#
- 2.Sxf5#
- 2.Re4#
- 2.Qc5#
- 2.Qd5#
- 1...Sb7
- 2.Se2#
- 2.Sb3#
- 2.Sf5#
- 2.Bg1#
- 2.Re4#
- 2.Qd5#
- 1...f3
- 2.Sb3#
- 2.Qc5#
- 2.Qd5#
- 2.Qb6#
- 1...e6
- 2.Se2#
- 2.Sb3#
- 2.Bg1#
- 2.Qc5#
- 1...Sxb5!
- threat
- 1.Bxf4?
- Keys
- 1.Ba2!
- 1...Kxe5
- 2.Qh8#
- 1...axb2
- 2.Qxb2#
- 1...Sc4
- 2.Sf5#
- 1...Se4
- 2.Sf5#
- 1...Sb5
- 2.Sf5#
- 2.Bg1#
- 1...Sf5
- 2.Sxf5#
- 1...Sb7
- 2.Sf5#
- 2.Bg1#
- 1...Sf7
- 2.Sf5#
- 2.Bg1#
- 1...Sc8
- 2.Sf5#
- 2.Bg1#
- 1...Se8
- 2.Sf5#
- 2.Bg1#
- 1...f3
- 2.Qa7#
- 2.Qb6#
- 1...e6
- 2.Qxd6#
- 1...Kxe5
- 1.Ba2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(a);OGATE,XP(B)::QAB(J),XP(a)
- P(g);N_GUARD::QAR2(J),XS(f)
- Tries
- Try
- B(C);XP(c)
- Threat
- DUALS(3)
- Vars
- P(a);OGATE,XP(B)::QAB(J),XP(a)
- Refutation
- P(e);XB(C)
- Try
- B(K);
- Vars
- K(b);OGATEB,P_SPINP(c),P_SPINS(f),S_FLIGHT,XR(G)::QAB(J)
- S(f);N_GUARD,XB(K)::S(I)
- P(a);OGATE,XP(B)::QAB(J),XP(a)
- S(f);N_GUARD::S(I)
- P(g);N_GUARD::QAR2(J),XS(f)
- Refutation
- P(a);
- Try
- B(K);
- Vars
- K(b);OGATEB,P_SPINP(c),P_SPINS(f),S_FLIGHT,XR(G)::QAB(J)
- P(a);OGATE,XP(B)::QAB(J),XP(a)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(g);N_GUARD::QAR2(J),XS(f)
- Refutation
- P(a);
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- K(b);P_SPINP(c),S_FLIGHT,XR(G)::QAB(J)
- P(a);OGATE,XP(B)::QAB(J),XP(a)
- S(f);::QAB1(J)
- S(f);::QAR1(J)
- P(g);::QAB1(J)
- Refutation
- S(f);
- Try
- Q(J);CHECK
- Vars
- K(b);P_SPINP(c),S_FLIGHT,XR(G)::QAB(J)
- Refutation
- P(d);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(5)
- Refutation
- S(f);XQ(J)
- Try
- Actual
- B(K);
- Vars
- K(b);OGATEB,P_SPINP(c),P_SPINS(f),S_FLIGHT,XR(G)::QAB(J)
- P(a);OGATE,XP(B)::QAB(J),XP(a)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(g);N_GUARD::QAR2(J),XS(f)
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).