MESON Chess Problem Database
Problem Display
PID: 193618 (3Qn1B1/K1p1Bq1r/4k3/3pN3/b3NPP1/b4n2/8/5r2 w - - 0 1)
Marble, Murray
1st Prize, Pittsburgh Gazette-Times, 1915
#2
8 + 10
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Bxf7#
- 1...Rh2
- 2.Bxf7#
- 1...Rh3
- 2.Bxf7#
- 1...Rh4
- 2.Bxf7#
- 1...Rh5
- 2.Bxf7#
- 1...Rh6
- 2.Bxf7#
- 1...Rh8
- 2.Bxf7#
- 1...Bc1
- 2.Sc5#
- 1...Bb2
- 2.Sc5#
- 1...Bc5+
- 2.Sxc5#
- 1...Bd1
- 2.Qd7#
- 1...Bc2
- 2.Qd7#
- 1...Bb3
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Se1
- 2.Sg5#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sxe5
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sg7
- 2.Bxf7#
- 1...c6
- 2.Qd7#
- 1...Rh1
- Tries
- 1.Sxf3?
- threat
- 2.Sd4#
- 2.Sfg5#
- 2.Seg5#
- 2.f5#
- 1...Bc5+
- 2.Sxc5#
- 1...Rxf3
- 2.Sg5#
- 1...Bxe7
- 2.Sd4#
- 2.f5#
- 1...dxe4
- 2.Sd4#
- 2.Sg5#
- 2.f5#
- 1...Rd1
- 2.Sfg5#
- 2.Seg5#
- 2.f5#
- 1...Rh5
- 2.Sd4#
- 1...Rg7
- 2.Sd4#
- 2.f5#
- 1...Bb2
- 2.Sfg5#
- 2.Sc5#
- 2.Seg5#
- 2.f5#
- 1...Sd6
- 2.Sd4#
- 2.Sfg5#
- 2.Seg5#
- 1...Sg7
- 2.Sd4#
- 2.Sfg5#
- 2.Seg5#
- 1...d4
- 2.Sxd4#
- 2.Sfg5#
- 2.Seg5#
- 2.f5#
- 1...c5
- 2.Sfg5#
- 2.Seg5#
- 2.f5#
- 1...Qxg8!
- threat
- 1.Sg6?
- threat
- 2.Sf8#
- 2.f5#
- 1...Bc5+
- 2.Sxc5#
- 1...Bxe7
- 2.Qxe7#
- 2.f5#
- 1...Rh5
- 2.Sf8#
- 1...Se1
- 2.Sg5#
- 2.Sf8#
- 1...Sg1
- 2.Sg5#
- 2.Sf8#
- 1...Sd2
- 2.Sg5#
- 2.Sf8#
- 1...Sh2
- 2.Sg5#
- 2.Sf8#
- 1...Sd4
- 2.Sg5#
- 2.Sf8#
- 1...Sh4
- 2.Sg5#
- 2.Sf8#
- 1...Se5
- 2.Sg5#
- 2.Sf8#
- 1...Sg5
- 2.Sxg5#
- 2.Sf8#
- 1...Sd6
- 2.Sf8#
- 1...Sg7
- 2.Sf8#
- 1...Qxg8!
- threat
- 1.Sxf7?
- threat
- 2.Sfg5#
- 2.f5#
- 1...Bc5+
- 2.Sxc5#
- 1...Rh5
- 2.Se5#
- 2.Sfg5#
- 2.Sfd6#
- 2.Sh6#
- 2.Sh8#
- 1...Se1
- 2.Seg5#
- 2.Sfg5#
- 1...Sg1
- 2.Seg5#
- 2.Sfg5#
- 1...Sd2
- 2.Seg5#
- 2.Sfg5#
- 1...Sh2
- 2.Seg5#
- 2.Sfg5#
- 1...Sd4
- 2.Seg5#
- 2.Sfg5#
- 1...Sh4
- 2.Seg5#
- 2.Sfg5#
- 1...Se5
- 2.Seg5#
- 2.Sfg5#
- 1...Sg5
- 2.Sexg5#
- 2.Sfxg5#
- 1...Sd6
- 2.Sfg5#
- 1...Sg7
- 2.Se5#
- 2.Sfg5#
- 2.Sfd6#
- 2.Sh6#
- 2.Sh8#
- 1...Rxf7!
- threat
- 1.Qc8+?
- 1...Bd7
- 2.Qxd7#
- 1...Kxe7!
- 1...Bd7
- 1.Sxf3?
- Keys
- 1.Bf6!
- threat
- 2.f5#
- 1...Bc5+
- 2.Sxc5#
- 1...c5+
- 2.Qe7#
- 1...c6+
- 2.Qd7#
- 1...Sxe5
- 2.Sg5#
- 1...Sxf6
- 2.Qxf6#
- 1...Rh5
- 2.Bxf7#
- 1...Se1
- 2.Sg5#
- 1...Sg1
- 2.Sg5#
- 1...Sd2
- 2.Sg5#
- 1...Sh2
- 2.Sg5#
- 1...Sd4
- 2.Sg5#
- 1...Sh4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sd6
- 2.Qe7#
- 1...Sg7
- 2.Bxf7#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- R(i);N_GUARD::B(H),XQ(h)
- B(b);N_GUARD::S(A)
- B(b);CHECK,N_GUARD::S(A),XB(b)
- B(d);N_GUARD::QAB1(G)
- B(d);N_GUARD::QAB1(G),XB(d)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD,XS(D)::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(j);S_CUTR(i)::B(H),XQ(h)
- P(g);P_PINB(F),S_CUTB(d)::QAB1(G)
- Tries
- Try
- S(D);XS(c)
- Threat
- DUALS(4)
- Vars
- B(b);CHECK,N_GUARD::S(A),XB(b)
- R(a);XS(D)::S(A)
- R(i);::S(D)
- Refutation
- Q(h);N_SPINQ(h),XB(H)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::S(A),XB(b)
- R(i);::S(D)
- S(j);::S(D)
- Refutation
- Q(h);N_SPINQ(h),XB(H)
- Try
- S(D);XQ(h)
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::S(A),XB(b)
- S(j);::B(H)+S(D),DCHECK
- Refutation
- R(i);P_SPINR(i),XS(D)
- Try
- Q(G);CHECK
- Vars
- B(d);N_GUARD,P_SPINB(d)::QAB1(G),XB(d)
- Refutation
- K(f);N_SPINQ(h),P-FLIGHT,XB(F)
- Try
- Actual
- B(F);
- Threat
- P(B)
- Vars
- B(b);CHECK,N_GUARD::S(A),XB(b)
- P(g);CHECK,S_CUTB(b)::QAR1(G)
- P(g);CHECK,S_CUTB(d)::QAB1(G)
- S(c);N_GUARD,XS(D)::S(A)
- S(j);OGATE,XB(F)::QAR1(G),XS(j)
- R(i);N_GUARD::B(H),XQ(h)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(j);S_CUTB(b)::QAR1(G)
- S(j);S_CUTR(i)::B(H),XQ(h)
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).