MESON Chess Problem Database
Problem Display
PID: 250437 (8/5nQ1/2n1p3/5kp1/7p/3PB1pP/1KN2r2/3R1R2 w - - 0 1)
Nield, Joshua
Manchester Evening News, 1925
(First published on Sat Jun 27 1925)
#2
8 + 8
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxf1
- 2.Rxf1#
- 1...Rf3
- 2.Rxf3#
- 1...Se5
- 2.Qxg5#
- 1...Sd6
- 2.Qxg5#
- 1...Sh6
- 2.Qxg5#
- 1...Sd8
- 2.Qxg5#
- 1...Sh8
- 2.Qxg5#
- 1...g2
- 2.Rxf2#
- 1...g4
- 2.hxg4#
- 1...e5
- 2.Qxf7#
- 1...Rxf1
- Tries
- 1.Ka1?
- 1...Rxf1
- 2.Rxf1#
- 1...e5
- 2.Qxf7#
- 1...Rf3
- 2.Rxf3#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Sce5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sb8
- 2.Sd4#
- 1...Scd8
- 2.Sd4#
- 1...Sfe5
- 2.Qxg5#
- 1...Sd6
- 2.Qxg5#
- 1...Sh6
- 2.Qxg5#
- 1...Sfd8
- 2.Qxg5#
- 1...Sh8
- 2.Qxg5#
- 1...g2
- 2.Rxf2#
- 1...g4
- 2.hxg4#
- 1...Rf4!
- 1...Rxf1
- 1.Kb1?
- 1...Rxf1
- 2.Rxf1#
- 1...e5
- 2.Qxf7#
- 1...Rf3
- 2.Rxf3#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Sce5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sb8
- 2.Sd4#
- 1...Scd8
- 2.Sd4#
- 1...Sfe5
- 2.Qxg5#
- 1...Sd6
- 2.Qxg5#
- 1...Sh6
- 2.Qxg5#
- 1...Sfd8
- 2.Qxg5#
- 1...Sh8
- 2.Qxg5#
- 1...g2
- 2.Rxf2#
- 1...g4
- 2.hxg4#
- 1...Rf4!
- 1...Rxf1
- 1.Kc1?
- 1...Rxf1
- 2.Rxf1#
- 1...e5
- 2.Qxf7#
- 1...Rf3
- 2.Rxf3#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Sce5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sb8
- 2.Sd4#
- 1...Scd8
- 2.Sd4#
- 1...Sfe5
- 2.Qxg5#
- 1...Sd6
- 2.Qxg5#
- 1...Sh6
- 2.Qxg5#
- 1...Sfd8
- 2.Qxg5#
- 1...Sh8
- 2.Qxg5#
- 1...g2
- 2.Rxf2#
- 1...g4
- 2.hxg4#
- 1...Rf4!
- 1...Rxf1
- 1.Ka3?
- 1...Rxf1
- 2.Rxf1#
- 1...e5
- 2.Qxf7#
- 1...Rf3
- 2.Rxf3#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Sce5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sb8
- 2.Sd4#
- 1...Scd8
- 2.Sd4#
- 1...Sfe5
- 2.Qxg5#
- 1...Sd6
- 2.Qxg5#
- 1...Sh6
- 2.Qxg5#
- 1...Sfd8
- 2.Qxg5#
- 1...Sh8
- 2.Qxg5#
- 1...g2
- 2.Rxf2#
- 1...g4
- 2.hxg4#
- 1...Rf4!
- 1...Rxf1
- 1.Kc3?
- 1...Rxf1
- 2.Rxf1#
- 1...e5
- 2.Qxf7#
- 1...Rf3
- 2.Rxf3#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Sce5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sb8
- 2.Sd4#
- 1...Scd8
- 2.Sd4#
- 1...Sfe5
- 2.Qxg5#
- 1...Sd6
- 2.Qxg5#
- 1...Sh6
- 2.Qxg5#
- 1...Sfd8
- 2.Qxg5#
- 1...Sh8
- 2.Qxg5#
- 1...g2
- 2.Rxf2#
- 1...g4
- 2.hxg4#
- 1...Rf4!
- 1...Rxf1
- 1.Ka1?
- Keys
- 1.Bd2!
- 1...Rxf1
- 2.Rxf1#
- 1...e5
- 2.Qxf7#
- 1...Rf4
- 2.Se3#
- 1...Rf3
- 2.Rxf3#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Sce5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sb8
- 2.Sd4#
- 1...Scd8
- 2.Sd4#
- 1...Sfe5
- 2.Qxg5#
- 1...Sd6
- 2.Qxg5#
- 1...Sh6
- 2.Qxg5#
- 1...Sfd8
- 2.Qxg5#
- 1...Sh8
- 2.Qxg5#
- 1...g2
- 2.Rxf2#
- 1...g4
- 2.hxg4#
- 1...Rxf1
- 1.Bd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(a);N_PINS(D),N_SPINR(a),OGATE,XR(B)::R(A),XR(a)
- R(a);N_PINS(D),OGATE::R(B),XR(a)
- S(h);N_GUARD,SBLOCK::QAR1(H),XP(e)
- S(h);N_GUARD::QAR1(H),XP(e)
- P(b);N_GUARD::R(B),XR(a)
- P(e);OGATE::P(G),XP(e)
- P(g);SBLOCK::QAR2(H),XS(h)
- Tries
- Try
- K(C);N_SPINS(D),S_FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,P_PINR(A),XR(B)::R(A),XR(a)
- P(g);SBLOCK::QAR2(H),XS(h)
- R(a);OGATE::R(B),XR(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- S(h);N_GUARD,SBLOCK::QAR1(H),XP(e)
- S(h);N_GUARD::QAR1(H),XP(e)
- P(b);N_GUARD::R(B),XR(a)
- P(e);OGATE::P(G),XP(e)
- Refutation
- R(a);
- Try
- K(C);N_SPINS(D),P-FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,P_PINR(A),XR(B)::R(A),XR(a)
- P(g);SBLOCK::QAR2(H),XS(h)
- R(a);OGATE::R(B),XR(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- S(h);N_GUARD,SBLOCK::QAR1(H),XP(e)
- S(h);N_GUARD::QAR1(H),XP(e)
- P(b);N_GUARD::R(B),XR(a)
- P(e);OGATE::P(G),XP(e)
- Refutation
- R(a);
- Try
- K(C);N_SPINS(D),S_FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,P_PINR(A),XR(B)::R(A),XR(a)
- P(g);SBLOCK::QAR2(H),XS(h)
- R(a);OGATE::R(B),XR(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- S(h);N_GUARD,SBLOCK::QAR1(H),XP(e)
- S(h);N_GUARD::QAR1(H),XP(e)
- P(b);N_GUARD::R(B),XR(a)
- P(e);OGATE::P(G),XP(e)
- Refutation
- R(a);
- Try
- K(C);N_SPINS(D),S_FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,XR(B)::R(A),XR(a)
- P(g);SBLOCK::QAR2(H),XS(h)
- R(a);OGATE::R(B),XR(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- S(h);N_GUARD,SBLOCK::QAR1(H),XP(e)
- S(h);N_GUARD::QAR1(H),XP(e)
- P(b);N_GUARD::R(B),XR(a)
- P(e);OGATE::P(G),XP(e)
- Refutation
- R(a);
- Try
- K(C);N_SPINS(D),S_FLIGHT
- Vars
- R(a);N_SPINR(a),OGATE,XR(B)::R(A),XR(a)
- P(g);SBLOCK::QAR2(H),XS(h)
- R(a);OGATE::R(B),XR(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- S(h);N_GUARD,SBLOCK::QAR1(H),XP(e)
- S(h);N_GUARD::QAR1(H),XP(e)
- P(b);N_GUARD::R(B),XR(a)
- P(e);OGATE::P(G),XP(e)
- Refutation
- R(a);
- Try
- Actual
- B(F);N_SPINS(D)
- Vars
- R(a);N_SPINR(a),OGATE,XR(B)::R(A),XR(a)
- P(g);SBLOCK::QAR2(H),XS(h)
- R(a);::S(D)
- R(a);OGATE::R(B),XR(a)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- S(h);N_GUARD,SBLOCK::QAR1(H),XP(e)
- S(h);N_GUARD::QAR1(H),XP(e)
- P(b);N_GUARD::R(B),XR(a)
- P(e);OGATE::P(G),XP(e)
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