MESON Chess Problem Database
Problem Display
PID: 218548 (N2Kn2Q/1p1BP3/1P2R3/b1pk1p1b/1p4p1/1P1nP1B1/8/8 w - - 0 1)
Bettmann, Edgar
Bettmann, Henry Wald
Bettmann, Jacob
Cincinnati Commercial, 1881
#2
10 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bxb6+
- 2.Sxb6#
- 1...Bg6
- 2.Qh1#
- 1...Bf7
- 2.Qh1#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...c4
- 2.Qd4#
- 1...f4
- 2.e4#
- 1...Bxb6+
- Tries
- 1.Kc8?
- 1...Bxb6
- 2.Sxb6#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 1...Bg6
- 2.Qh1#
- 1...Bf7
- 2.Qh1#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...f4
- 2.e4#
- 1...Sd6+!
- 1...Bxb6
- 1.Be1?
- 1...Bxb6+
- 2.Sxb6#
- 1...Sxe1
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 1...Bg6
- 2.Qh1#
- 1...Bf7
- 2.Qh1#
- 1...Sc1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...f4
- 2.e4#
- 1...g3!
- 1...Bxb6+
- 1.Bf2?
- 1...Bxb6+
- 2.Sxb6#
- 1...Sxf2
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 1...Bg6
- 2.Qh1#
- 1...Bf7
- 2.Qh1#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...f4
- 2.e4#
- 1...g3!
- 1...Bxb6+
- 1.Bf4?
- 1...Bxb6+
- 2.Sxb6#
- 1...Sxf4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 1...Bg6
- 2.Qh1#
- 1...Bf7
- 2.Qh1#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...g3!
- 1...Bxb6+
- 1.Bd6?
- 1...Bxb6+
- 2.Sxb6#
- 1...Sxd6
- 2.Sc7#
- 1...Se5
- 2.Qxe5#
- 1...Bg6
- 2.Qh1#
- 1...Bf7
- 2.Qh1#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...c4
- 2.Qd4#
- 1...f4
- 2.e4#
- 1...g3!
- 1...Bxb6+
- 1.Bb8?
- 1...Bxb6+
- 2.Sxb6#
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 1...Bg6
- 2.Qh1#
- 1...Bf7
- 2.Qh1#
- 1...Sc1
- 2.Re5#
- 2.Qe5#
- 1...Se1
- 2.Re5#
- 2.Qe5#
- 1...Sb2
- 2.Re5#
- 2.Qe5#
- 1...Sf2
- 2.Re5#
- 2.Qe5#
- 1...Sf4
- 2.Re5#
- 2.Qe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...f4
- 2.e4#
- 1...g3!
- 1...Bxb6+
- 1.Bc8?
- 1...Bxb6+
- 2.Sxb6#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 1...Bg6
- 2.Qh1#
- 1...Bf7
- 2.Qh1#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sf6
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...f4
- 2.e4#
- 1...Sd6!
- 1...Bxb6+
- 1.Re5+?
- 1...Sxe5
- 2.Qxe5#
- 1...Kd6!
- 1...Sxe5
- 1.Qb2?
- threat
- 2.Qg2#
- 1...Bxb6+
- 2.Sxb6#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 1...Se1
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...f4
- 2.e4#
- 1...Sxb2!
- threat
- 1.Qc3?
- threat
- 2.Qxd3#
- 2.Qc4#
- 1...Bxb6+
- 2.Sxb6#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 2.Qxc4#
- 1...Sc1
- 2.Qe5#
- 2.Qc4#
- 1...Se1
- 2.Qe5#
- 2.Qc4#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 2.Qc4#
- 1...Sf4
- 2.Qe5#
- 2.Qc4#
- 1...Sd6
- 2.Sc7#
- 2.Qxd3#
- 1...bxc3!
- threat
- 1.Kc8?
- Keys
- 1.Qa1!
- threat
- 2.Qh1#
- 1...Bxb6+
- 2.Sxb6#
- 1...Se5
- 2.Qxe5#
- 1...c4
- 2.Qd4#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sd6
- 2.Sc7#
- 1...Sf6
- 2.Sc7#
- 1...f4
- 2.e4#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- B(d);CHECK,XP(D)::S(H),XB(d)
- B(h);OGATE::QAB(J)
- S(a);N_GUARD::QAR1(J)
- S(a);N_GUARD::QAR1(J),XS(a)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD,N_PINP(D)::S(H),XS(j)
- P(e);N_GUARD::QAR1(J)
- P(g);N_GUARD::P(B)
- Tries
- Try
- K(I);N_SPINP(D),P-FLIGHT
- Vars
- B(d);XP(D)::S(H),XB(d)
- S(a);N_GUARD::QAR1(J),XS(a)
- P(e);N_GUARD::QAR1(J)
- B(h);OGATE::QAB(J)
- S(a);N_GUARD::QAR1(J)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD::S(H),XS(j)
- P(g);N_GUARD::P(B)
- Refutation
- S(j);CHECK
- Try
- B(C);
- Vars
- B(d);CHECK,XP(D)::S(H),XB(d)
- S(a);N_GUARD,XB(C)::QAR1(J)
- S(a);N_GUARD::QAR1(J),XS(a)
- P(e);N_GUARD::QAR1(J)
- B(h);OGATE::QAB(J)
- S(a);N_GUARD::QAR1(J)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD,N_PINP(D)::S(H),XS(j)
- P(g);N_GUARD::P(B)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- B(d);CHECK,XP(D)::S(H),XB(d)
- S(a);N_GUARD,XB(C)::QAR1(J)
- S(a);N_GUARD::QAR1(J),XS(a)
- P(e);N_GUARD::QAR1(J)
- B(h);OGATE::QAB(J)
- S(a);N_GUARD::QAR1(J)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD,N_PINP(D)::S(H),XS(j)
- P(g);N_GUARD::P(B)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- B(d);CHECK,XP(D)::S(H),XB(d)
- S(a);N_GUARD,XB(C)::QAR1(J)
- S(a);N_GUARD::QAR1(J),XS(a)
- P(e);N_GUARD::QAR1(J)
- B(h);OGATE::QAB(J)
- S(a);N_GUARD::QAR1(J)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD,N_PINP(D)::S(H),XS(j)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- B(d);CHECK,XP(D)::S(H),XB(d)
- S(j);N_GUARD,XB(C)::S(H)
- S(a);N_GUARD::QAR1(J),XS(a)
- B(h);OGATE::QAB(J)
- S(a);N_GUARD::QAR1(J)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD,N_PINP(D)::S(H),XS(j)
- P(e);N_GUARD::QAR1(J)
- P(g);N_GUARD::P(B)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- B(d);CHECK,XP(D)::S(H),XB(d)
- P(e);N_GUARD::QAR1(J)
- B(h);OGATE::QAB(J)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD,N_PINP(D)::S(H),XS(j)
- P(g);N_GUARD::P(B)
- Refutation
- P(c);
- Try
- B(F);
- Vars
- B(d);CHECK,XP(D)::S(H),XB(d)
- S(a);N_GUARD::QAR1(J),XS(a)
- P(e);N_GUARD::QAR1(J)
- B(h);OGATE::QAB(J)
- S(a);N_GUARD::QAR1(J)
- S(j);N_GUARD::S(H)
- S(j);N_GUARD,N_PINP(D)::S(H),XS(j)
- P(g);N_GUARD::P(B)
- Refutation
- S(j);
- Try
- R(E);CHECK
- Vars
- S(a);OGATE,XR(E)::QAR1(J),XS(a)
- Refutation
- K(f);P-FLIGHT
- Try
- Q(J);
- Threat
- QAB(J)
- Vars
- B(d);CHECK,XP(D)::S(H),XB(d)
- S(a);N_GUARD::QAR1(J),XS(a)
- P(e);N_GUARD::QAR1(J)
- S(a);N_GUARD::QAR1(J)
- S(j);N_GUARD::S(H)
- P(g);N_GUARD::P(B)
- Refutation
- S(a);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- B(d);CHECK,XP(D)::S(H),XB(d)
- S(a);N_GUARD::QAR1(J),XS(a)
- S(a);N_GUARD::QAR1(J)
- Refutation
- P(b);XQ(J)
- Try
- Actual
- Q(J);
- Threat
- QAB(J)
- Vars
- B(d);CHECK,XP(D)::S(H),XB(d)
- S(a);N_GUARD::QAR1(J),XS(a)
- P(e);N_GUARD::QAR1(J)
- S(a);N_GUARD::QAR1(J)
- S(j);N_GUARD::S(H)
- P(g);N_GUARD::P(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).