MESON Chess Problem Database
Problem Display
PID: 229794 (7b/3NR3/1ppnNp2/1Pp2kpB/2PQnp2/5p2/5P2/4R1K1 w - - 0 1)
Dewfall, EJ
Sunday Chronicle, 1948
(First published on Sun Feb 1 1948)
#2
10 + 11
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bg7
- 2.Sxg7#
- 1...Sxc4
- 2.Qxe4#
- 1...Sxb5
- 2.Qxe4#
- 1...Sb7
- 2.Qxe4#
- 1...Sf7
- 2.Qxe4#
- 1...Sc8
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...cxd4
- 2.Sxd4#
- 1...cxb5
- 2.Qd5#
- 1...Bg7
- Tries
- 1.Se5?
- threat
- 2.Bg4#
- 2.Bg6#
- 1...Sxf2
- 2.Bg6#
- 1...cxd4
- 2.Sxd4#
- 1...g4
- 2.Bxg4#
- 2.Bg6#
- 1...fxe5!
- threat
- 1.Rf7?
- threat
- 2.Qe5#
- 1...Sxc4
- 2.Qxe4#
- 1...Sxf7
- 2.Qxe4#
- 1...cxd4
- 2.Sxd4#
- 1...Kxe6!
- threat
- 1.Qxc5+?
- 1...Sxc5
- 2.Sd4#
- 1...bxc5!
- 1...Sxc5
- 1.Qxf6+?
- 1...Sxf6
- 2.Re5#
- 1...Bxf6!
- 1...Sxf6
- 1.Qd3?
- 1...Sxc4
- 2.Qxe4#
- 1...Sxb5
- 2.Qxe4#
- 1...cxb5
- 2.Qd5#
- 1...Bg7
- 2.Sxg7#
- 1...Sb7
- 2.Qxe4#
- 1...Sf7
- 2.Qxe4#
- 1...Sc8
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...g4!
- 1...Sxc4
- 1.bxc6?
- threat
- 2.Qd5#
- 1...Sxc4
- 2.Qxe4#
- 1...cxd4
- 2.Sxd4#
- 1...Sf7
- 2.Qxe4#
- 1...Sc3!
- threat
- 1.Se5?
- Keys
- 1.Rg7!
- 1...Kxe6
- 2.Qxf6#
- 1...Bxg7
- 2.Sxg7#
- 1...Sxf2
- 2.Qxf6#
- 1...Sxc4
- 2.Qxe4#
- 1...Sxb5
- 2.Qxe4#
- 1...cxd4
- 2.Sxd4#
- 1...cxb5
- 2.Qd5#
- 1...Sd2
- 2.Qxf6#
- 1...Sc3
- 2.Qxf6#
- 1...Sg3
- 2.Qxf6#
- 1...Sb7
- 2.Qxe4#
- 1...Sf7
- 2.Qxe4#
- 1...Sc8
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...g4
- 2.Bxg4#
- 1...Kxe6
- 1.Rg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- B(k);N_GUARD::S(H),XB(k)
- S(i);N_GUARD,XP(D)::QAB1(E),XS(b)
- S(i);N_GUARD,XP(F)::QAB1(E),XS(b)
- S(i);N_GUARD::QAB1(E),XS(b)
- P(d);XQ(E)::S(H),XP(d)
- P(h);N_GUARD,XP(F)::QAR2(E)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- S(b);XP(C)::B(G)
- P(d);XQ(E)::S(H),XP(d)
- Refutation
- P(j);XS(I)
- Try
- R(J);P_PINP(j)
- Threat
- QAR1(E)
- Vars
- S(i);N_GUARD,XP(D)::QAB1(E),XS(b)
- S(i);N_GUARD,N_SPINP(j),XR(J)::QAB1(E),XS(b)
- P(d);XQ(E)::S(H),XP(d)
- Refutation
- K(e);N_SPINP(j),P_SPINS(b),S_FLIGHT,XS(H)
- Try
- Q(E);CHECK,XP(d)
- Vars
- S(b);XQ(E)::S(H)
- Refutation
- P(g);XQ(E)
- Try
- Q(E);CHECK,XP(j)
- Vars
- S(b);OGATE,XQ(E)::R1(A)
- Refutation
- B(k);XQ(E)
- Try
- Q(E);P_PINS(b)
- Vars
- S(i);N_GUARD,XP(D)::QAB1(E),XS(b)
- S(i);N_GUARD,XP(F)::QAB1(E),XS(b)
- P(h);N_GUARD,XP(F)::QAR2(E)
- B(k);N_GUARD::S(H),XB(k)
- S(i);N_GUARD::QAB1(E),XS(b)
- Refutation
- P(f);
- Try
- P(F);XP(h)
- Threat
- QAR2(E)
- Vars
- S(i);N_GUARD,XP(D)::QAB1(E),XS(b)
- P(d);XQ(E)::S(H),XP(d)
- S(i);N_GUARD::QAB1(E),XS(b)
- Refutation
- S(b);
- Try
- Actual
- R(J);
- Vars
- K(e);P_SPINS(b),S_FLIGHT,XS(H)::QAR1(E),XP(j)
- B(k);XR(J)::S(H),XB(k)
- S(b);N_GUARD,XP(C)::QAR1(E),XP(j)
- S(i);N_GUARD,XP(D)::QAB1(E),XS(b)
- S(i);N_GUARD,XP(F)::QAB1(E),XS(b)
- P(d);XQ(E)::S(H),XP(d)
- P(h);N_GUARD,XP(F)::QAR2(E)
- S(b);N_GUARD::QAR1(E),XP(j)
- S(i);N_GUARD::QAB1(E),XS(b)
- P(f);::B(G),XP(f)
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