MESON Chess Problem Database
Problem Display
PID: 205017 (8/2p2p1B/1pP2K2/1R1PNN1p/2n1k1pP/2P1p1Pb/3B2pP/5qQ1 w - - 0 1)
Barry, Henry William
American Chess Bulletin, 1921
#2
13 + 11
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Sxe3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qd3
- 2.Sxe3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qa1
- 2.Sxe3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qb1
- 2.Sxe3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 2.Qxb1#
- 1...Qc1
- 2.Sxe3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qd1
- 2.Sxe3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qe1
- 2.Sxe3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qxg1
- 2.Sxe3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qf2
- 2.Qb1#
- 1...Qf3
- 2.Qb1#
- 1...Qf4
- 2.Qb1#
- 1...Qxf5+
- 2.Bxf5#
- 1...Sb2
- 2.Qxe3#
- 1...Sxd2
- 2.Qxe3#
- 1...Sa3
- 2.Qxe3#
- 1...Sa5
- 2.Qxe3#
- 1...Sxe5
- 2.Qxe3#
- 1...Sd6
- 2.Qxe3#
- 1...exd2
- 2.Qd4#
- 1...e2
- 2.Qd4#
- 1...Qe2
- Tries
- 1.Bg6?
- 1...Qxf5+
- 2.Bxf5#
- 1...Qxg1
- 2.Sd6#
- 1...Sxd2
- 2.Qxe3#
- 1...Sxe5
- 2.Qxe3#
- 1...exd2
- 2.Qd4#
- 1...Qf2
- 2.Qb1#
- 1...Qe2
- 2.Sd6#
- 1...Qd3
- 2.Sd6#
- 1...Qa1
- 2.Sd6#
- 1...Qb1
- 2.Sd6#
- 2.Qxb1#
- 1...Qc1
- 2.Sd6#
- 1...Qd1
- 2.Sd6#
- 1...Qe1
- 2.Sd6#
- 1...Qf3
- 2.Qb1#
- 1...Qf4
- 2.Qb1#
- 1...Sb2
- 2.Qxe3#
- 1...Sa3
- 2.Qxe3#
- 1...Sa5
- 2.Qxe3#
- 1...Sd6
- 2.Qxe3#
- 1...e2
- 2.Qd4#
- 1...fxg6!
- 1...Qxf5+
- 1.Qf2?
- threat
- 2.Sxe3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Sxe5
- 2.Sd6#
- 2.Qxe3#
- 1...exd2
- 2.Se3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 2.Qd4#
- 1...exf2
- 2.Se3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Sd6
- 2.Sxd6#
- 2.Qxe3#
- 1...e2
- 2.Se3#
- 2.Sd4#
- 2.Sd6#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 2.Qd4#
- 1...Qxf2!
- threat
- 1.d6?
- 1...Qxf5+
- 2.Bxf5#
- 1...Qxg1
- 2.Sxe3#
- 2.Sd4#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Sxd2
- 2.Qxe3#
- 1...Sxe5
- 2.Qxe3#
- 1...Sxd6
- 2.Qxe3#
- 1...exd2
- 2.Qd4#
- 1...Qf3
- 2.Qb1#
- 1...Qe2
- 2.Sxe3#
- 2.Sd4#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qd3
- 2.Sxe3#
- 2.Sd4#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qa1
- 2.Sxe3#
- 2.Sd4#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qb1
- 2.Sxe3#
- 2.Sd4#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 2.Qxb1#
- 1...Qc1
- 2.Sxe3#
- 2.Sd4#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qd1
- 2.Sxe3#
- 2.Sd4#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qe1
- 2.Sxe3#
- 2.Sd4#
- 2.Sh6#
- 2.Se7#
- 2.Sg7#
- 1...Qf2
- 2.Qb1#
- 1...Qf4
- 2.Qb1#
- 1...Sb2
- 2.Qxe3#
- 1...Sa3
- 2.Qxe3#
- 1...Sa5
- 2.Qxe3#
- 1...e2
- 2.Qd4#
- 1...cxd6!
- 1...Qxf5+
- 1.Bg6?
- Keys
- 1.Sf3!
- threat
- 2.S5d4#
- 1...Kd3
- 2.S5d4#
- 1...Kxf3
- 2.Sd4#
- 1...Qxf3
- 2.Qb1#
- 1...gxf3
- 2.Sd6#
- 1...Se5
- 2.Qxe3#
- 1...Sd6
- 2.Qxe3#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(a);OGATE::QAB(A)
- Q(a);CHECK,OGATE,P_SPINQ(a),XS(J)::B(M),XQ(a)
- S(e);N_GUARD::QAR1(A),XP(c)
- S(e);N_GUARD,XB(B)::QAR1(A),XP(c)
- S(e);N_GUARD,XS(I)::QAR1(A),XP(c)
- P(c);OGATE,XB(B)::QAR1(A)
- P(c);OGATE::QAR1(A)
- Tries
- Try
- B(M);
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XS(J)::B(M),XQ(a)
- Q(a);N_PINS(J),XQ(A)::B(M)+S(J),DCHECK
- S(e);N_GUARD,XB(B)::QAR1(A),XP(c)
- S(e);N_GUARD,XS(I)::QAR1(A),XP(c)
- P(c);OGATE,XB(B)::QAR1(A)
- Q(a);OGATE::QAB(A)
- Q(a);N_PINS(J)::B(M)+S(J),DCHECK
- S(e);N_GUARD::QAR1(A),XP(c)
- P(c);OGATE::QAR1(A)
- Refutation
- P(k);XB(M)
- Try
- Q(A);N_SPINS(J)
- Threat
- DUALS(6)
- Refutation
- Q(a);P_PINS(J),XQ(A)
- Try
- P(H);
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XS(J)::B(M),XQ(a)
- S(e);N_GUARD,XB(B)::QAR1(A),XP(c)
- S(e);N_GUARD,XS(I)::QAR1(A),XP(c)
- S(e);N_GUARD,XP(H)::QAR1(A),XP(c)
- P(c);OGATE,XB(B)::QAR1(A)
- Q(a);OGATE::QAB(A)
- S(e);N_GUARD::QAR1(A),XP(c)
- P(c);OGATE::QAR1(A)
- Refutation
- P(j);XP(H)
- Try
- Actual
- S(I);N_SPINS(J)
- Threat
- B(M)+S(J)
- Vars
- K(f);S_FLIGHT::B(M)+S(J)
- K(f);S_FLIGHT,XS(I)::S(J)
- Q(a);OGATE,P_PINS(J),SBLOCK,XS(I)::QAB(A)
- P(g);SBLOCK,XS(I)::B(M)+S(J),DCHECK
- S(e);N_GUARD::QAR1(A),XP(c)
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).