MESON Chess Problem Database
Problem Display
PID: 250450 (3n4/N2r3B/pN1pRB2/4q2b/1P1k2p1/1Knrp1R1/8/Q7 w - - 0 1)
Mitchell, GW
English Mechanic and World of Science, 1885
(First published on Fri May 29 1885)
#2
9 + 11
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxf6
- 2.Re4#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rxa7
- 2.Rxd6#
- 1...Rb7
- 2.Rxd6#
- 1...Rc7
- 2.Rxd6#
- 1...Re7
- 2.Rxd6#
- 1...Rf7
- 2.Rxd6#
- 1...Rg7
- 2.Rxd6#
- 1...Bf7
- 2.Rxg4#
- 1...Be8
- 2.Rxg4#
- 1...Sc6
- 2.Sxc6#
- 1...Sxe6
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...e2
- 2.Rxd3#
- 1...a5
- 2.Sb5#
- 1...d5
- 2.Bxe5#
- 1...Qxf6
- Tries
- 1.Bxd3?
- threat
- 2.Qxc3#
- 1...Rc7
- 2.Rxd6#
- 1...Kxd3!
- threat
- 1.Bg6?
- 1...Qxf6
- 2.Re4#
- 1...Rxa7
- 2.Rxd6#
- 1...Sxe6
- 2.Sc6#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rb7
- 2.Rxd6#
- 1...Rc7
- 2.Rxd6#
- 1...Re7
- 2.Rxd6#
- 1...Rf7
- 2.Rxd6#
- 1...Rg7
- 2.Rxd6#
- 1...Rh7
- 2.Rxd6#
- 1...Sc6
- 2.Sxc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...e2
- 2.Rxd3#
- 1...a5
- 2.Sb5#
- 1...d5
- 2.Bxe5#
- 1...Bxg6!
- 1...Qxf6
- 1.Rxe5?
- threat
- 2.Rexe3#
- 2.Re4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rg5#
- 2.Rxh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Bf7+
- 2.Rd5#
- 2.Re6#
- 1...Rxh7
- 2.Rexe3#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Rd1
- 2.Rexe3#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rg5#
- 2.Rxh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 2.Qxc3#
- 1...Rd2
- 2.Rexe3#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rg5#
- 2.Rxh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 2.Qxc3#
- 1...Re7
- 2.Re4#
- 2.Rd5#
- 2.Re6#
- 2.Rxe7#
- 1...Rf7
- 2.Re4#
- 2.Rd5#
- 1...Bg6
- 2.Rexe3#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Be8
- 2.Rxg4#
- 2.Rexe3#
- 2.Re4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rg5#
- 2.Rh5#
- 2.Re6#
- 2.Re7#
- 2.Rxe8#
- 1...Sc6
- 2.Sxc6#
- 2.Re4#
- 2.Rd5#
- 1...Se6
- 2.Sc6#
- 2.Rexe3#
- 2.Re4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rg5#
- 2.Rxh5#
- 2.Rxe6#
- 1...Sf7
- 2.Sc6#
- 2.Re4#
- 2.Rd5#
- 1...e2
- 2.Rxd3#
- 2.Rxe2#
- 2.Ree3#
- 2.Re4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rg5#
- 2.Rxh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...a5
- 2.Sb5#
- 2.Rexe3#
- 2.Re4#
- 2.Rxa5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Rg5#
- 2.Rxh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...d5
- 2.Rexe3#
- 2.Re4#
- 2.Rxd5#
- 2.Rg5#
- 2.Rxh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...dxe5!
- threat
- 1.Bxd3?
- Keys
- 1.Bf5!
- 1...Qxf6
- 2.Re4#
- 1...Rxa7
- 2.Rxd6#
- 1...Sxe6
- 2.Sc6#
- 1...Rd1
- 2.Qxc3#
- 1...Rd2
- 2.Qxc3#
- 1...Rb7
- 2.Rxd6#
- 1...Rc7
- 2.Rxd6#
- 1...Re7
- 2.Rxd6#
- 1...Rf7
- 2.Rxd6#
- 1...Rg7
- 2.Rxd6#
- 1...Rh7
- 2.Rxd6#
- 1...Bg6
- 2.Rxg4#
- 1...Bf7
- 2.Rxg4#
- 1...Be8
- 2.Rxg4#
- 1...Sc6
- 2.Sxc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...e2
- 2.Rxd3#
- 1...a5
- 2.Sb5#
- 1...d5
- 2.Bxe5#
- 1...Qxf6
- 1.Bf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(f);N_SPINQ(f),OGATE,XB(G)::R1(F)
- R(b);N_GUARD::QAB1(A),XS(a)
- R(j);N_GUARD,XS(H)::R(F),XP(i)
- R(j);N_GUARD::R(F),XP(i)
- B(g);N_GUARD,P_PINR(F)::R(C),XP(e)
- B(g);N_GUARD::R(C),XP(e)
- S(k);N_GUARD::S(H),XS(k)
- S(k);N_GUARD,XR(F)::S(H)
- S(k);N_GUARD::S(H)
- P(c);OGATE::R1(C),XR(b)
- P(h);N_GUARD::S(H)
- P(i);N_GUARD::B(G),XQ(f)
- Tries
- Try
- B(I);XR(b)
- Threat
- QAB1(A),XS(a)
- Vars
- R(j);N_GUARD::R(F),XP(i)
- Refutation
- K(d);N_SPINQ(f),N_SPINS(a),P-FLIGHT,P_SPINP(c),XB(I)
- Try
- B(I);
- Vars
- Q(f);N_SPINQ(f),OGATE,XB(G)::R1(F)
- R(j);N_GUARD,XS(H)::R(F),XP(i)
- S(k);N_GUARD,XR(F)::S(H)
- R(b);N_GUARD::QAB1(A),XS(a)
- R(j);N_GUARD::R(F),XP(i)
- S(k);N_GUARD::S(H),XS(k)
- S(k);N_GUARD::S(H)
- P(c);OGATE::R1(C),XR(b)
- P(h);N_GUARD::S(H)
- P(i);N_GUARD::B(G),XQ(f)
- Refutation
- B(g);XB(I)
- Try
- R(F);XQ(f)
- Threat
- DUALS(11)
- Refutation
- P(i);P_SPINP(i),XR(F)
- Try
- Actual
- B(I);
- Vars
- Q(f);N_SPINQ(f),OGATE,XB(G)::R1(F)
- R(j);N_GUARD,XS(H)::R(F),XP(i)
- S(k);N_GUARD,XR(F)::S(H)
- R(b);N_GUARD::QAB1(A),XS(a)
- R(j);N_GUARD::R(F),XP(i)
- B(g);N_GUARD::R(C),XP(e)
- B(g);N_GUARD,P_PINR(F)::R(C),XP(e)
- S(k);N_GUARD::S(H),XS(k)
- S(k);N_GUARD::S(H)
- P(c);OGATE::R1(C),XR(b)
- P(h);N_GUARD::S(H)
- P(i);N_GUARD::B(G),XQ(f)
Developed and maintained by Brian Stephenson.
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