MESON Chess Problem Database
Problem Display
PID: 101296 (8/6NK/6R1/1B3p1p/1Q3p1k/8/6P1/1bbrr3 w - - 0 1)
Wilhelm, Joseph A
Good Companions, 1919
#2
6 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd2
- 2.Qxf4#
- 1...Rd3
- 2.Sxf5#
- 1...Rd4
- 2.Qxe1#
- 1...Rd5
- 2.Qxe1#
- 1...Rd6
- 2.Qxe1#
- 1...Rd7
- 2.Qxe1#
- 1...Rd8
- 2.Qxe1#
- 1...Rf1
- 2.Qe7#
- 1...Rg1
- 2.Qe7#
- 1...Rh1
- 2.Qe7#
- 1...Re3
- 2.Qxf4#
- 1...Re4
- 2.Sxf5#
- 1...Re7
- 2.Qxe7#
- 1...Ba2
- 2.Sxf5#
- 1...Be4
- 2.Qe7#
- 1...Bb2
- 2.Qxf4#
- 1...Ba3
- 2.Qxf4#
- 1...Be3
- 2.Qe7#
- 1...Rd2
- Tries
- 1.Be2?
- threat
- 2.Qe7#
- 1...Rd6
- 2.Qxe1#
- 1...Rd7
- 2.Qxe1#
- 1...Bb2
- 2.Qxf4#
- 1...Ba3
- 2.Qxf4#
- 1...Rxe2!
- threat
- 1.Qc3?
- threat
- 2.Qf6#
- 2.Qh3#
- 1...Re5
- 2.Qh3#
- 1...Rd3
- 2.Sxf5#
- 2.Qf6#
- 1...Rd4
- 2.Qxe1#
- 2.Qh3#
- 1...Rd6
- 2.Qxe1#
- 2.Qh3#
- 1...Rh1
- 2.Qf6#
- 1...Re3
- 2.Qf6#
- 1...Re6
- 2.Qh3#
- 1...Bd3
- 2.Qf6#
- 1...Bb2
- 2.Qh3#
- 1...Be3
- 2.Qf6#
- 1...f3!
- threat
- 1.Qb2?
- threat
- 2.Qf6#
- 2.Qf2#
- 1...Re5
- 2.Qf2#
- 1...Rd2
- 2.Qf6#
- 1...Rd3
- 2.Sxf5#
- 2.Qf6#
- 1...Rd4
- 2.Qf2#
- 1...Rd6
- 2.Qf2#
- 1...Rf1
- 2.Qf6#
- 1...Re2
- 2.Qf6#
- 1...Re3
- 2.Qf6#
- 1...Re6
- 2.Qf2#
- 1...Bc2
- 2.Qf6#
- 1...Bd2
- 2.Qf6#
- 1...Be3
- 2.Qf6#
- 1...f3
- 2.Qf2#
- 1...Bxb2!
- threat
- 1.Qd4?
- threat
- 2.Qf2#
- 2.Qf6#
- 1...Re5
- 2.Qf2#
- 1...Rd2
- 2.Qf6#
- 2.Qxf4#
- 1...Rd3
- 2.Sxf5#
- 2.Qf6#
- 1...Rf1
- 2.Qf6#
- 1...Re2
- 2.Qf6#
- 1...Re3
- 2.Qf6#
- 2.Qxf4#
- 1...Re6
- 2.Qf2#
- 1...Bb2
- 2.Qf2#
- 2.Qxf4#
- 1...Be3
- 2.Qf6#
- 1...Rxd4!
- threat
- 1.Qe4?
- threat
- 2.Sxf5#
- 1...fxe4
- 2.Sf5#
- 1...Rd5
- 2.Qxe1#
- 1...Rd7
- 2.Qxe1#
- 1...Bxe4!
- threat
- 1.Be2?
- Keys
- 1.Bf1!
- threat
- 2.g3#
- 1...Rxf1
- 2.Qe7#
- 1...Rd3
- 2.Sxf5#
- 1...Rd4
- 2.Qxe1#
- 1...Re3
- 2.Qxf4#
- 1...Re4
- 2.Sxf5#
- 1...Be4
- 2.Qe7#
- threat
- 1.Bf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- R(c);S_CUTB(b)::QAR2(B),XP(e)
- R(c);S_CUTB(a)::S(E),XP(g)
- R(c);N_GUARD,N_SPINP(e)::QAB(B),XR(d)
- R(c);N_GUARD::QAB(B),XR(d)
- R(c);N_GUARD,P_PINS(E)::QAB(B),XR(d)
- R(d);N_GUARD::QAB(B)
- R(d);S_CUTB(b)::QAR2(B),XP(e)
- R(d);N_SPINP(e),S_CUTB(a)::S(E),XP(g)
- R(d);N_GUARD,P_PINS(E)::QAB(B),XR(d)
- B(a);N_GUARD::S(E),XP(g)
- B(a);N_SPINP(e),S_CUTR(d)::QAB(B)
- B(b);N_GUARD::QAR2(B),XP(e)
- B(b);S_CUTR(d)::QAB(B)
- Tries
- Try
- B(C);
- Threat
- QAB(B)
- Vars
- R(c);N_GUARD::QAB(B),XR(d)
- R(c);N_GUARD,P_PINS(E)::QAB(B),XR(d)
- B(b);N_GUARD::QAR2(B),XP(e)
- Refutation
- R(d);XB(C)
- Try
- Q(B);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(d);::QAR1(B)
- R(d);::QAB(B)
- B(a);::QAB(B)
- B(b);::QAR1(B)
- B(b);::QAB(B)
- Refutation
- P(e);
- Try
- Q(B);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(d);::QAB(B)
- R(c);::QAB(B)
- B(a);::QAB(B)
- B(b);::QAB(B)
- P(e);::QAB(B)
- Refutation
- B(b);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(d);::QAB(B)
- B(b);::QAB(B)
- Refutation
- R(c);N_SPINP(e),XQ(B)
- Try
- Q(B);
- Threat
- S(E),XP(g)
- Vars
- P(g);N_SPINP(e),XQ(B)::S(E)
- R(c);N_GUARD::QAB(B),XR(d)
- R(c);N_GUARD,P_PINS(E)::QAB(B),XR(d)
- Refutation
- B(a);N_SPINP(e),XQ(B)
- Try
- Actual
- B(C);
- Threat
- P(A)
- Vars
- R(d);N_GUARD,XB(C)::QAB(B)
- R(c);S_CUTB(a)::S(E),XP(g)
- R(c);N_GUARD,N_SPINP(e)::QAB(B),XR(d)
- R(d);S_CUTB(b)::QAR2(B),XP(e)
- R(d);N_SPINP(e),S_CUTB(a)::S(E),XP(g)
- B(a);N_SPINP(e),S_CUTR(d)::QAB(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).