MESON Chess Problem Database
Problem Display
PID: 193959 (8/2pRp2p/N2q3Q/3k2p1/Bp4N1/3Kp3/2P1P2R/8 w - - 0 1)
Todd, William R
Pittsburgh Gazette-Times, 1916
#2
9 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxd7
- 2.Bb3#
- 1...b3
- 2.c4#
- 1...c5
- 2.Sc7#
- 1...c6
- 2.Bb3#
- 1...e5
- 2.Sxe3#
- 1...Qxd7
- Tries
- 1.Bb5?
- 1...Qxd7
- 2.Bc4#
- 1...b3
- 2.c4#
- 1...c5
- 2.Sc7#
- 1...c6
- 2.Bc4#
- 1...e5
- 2.Sxe3#
- 1...e6!
- 1...Qxd7
- 1.Rh1?
- 1...Qxd7
- 2.Bb3#
- 1...b3
- 2.c4#
- 1...c5
- 2.Sc7#
- 1...c6
- 2.Bb3#
- 1...e5
- 2.Sxe3#
- 1...e6!
- 1...Qxd7
- 1.Rg2?
- 1...Qxd7
- 2.Bb3#
- 1...b3
- 2.c4#
- 1...c5
- 2.Sc7#
- 1...c6
- 2.Bb3#
- 1...e5
- 2.Sxe3#
- 1...e6!
- 1...Qxd7
- 1.Rh3?
- 1...Qxd7
- 2.Bb3#
- 1...b3
- 2.c4#
- 1...c5
- 2.Sc7#
- 1...c6
- 2.Bb3#
- 1...e5
- 2.Sxe3#
- 1...e6!
- 1...Qxd7
- 1.Rh5?
- 1...Qxd7
- 2.Bb3#
- 1...b3
- 2.c4#
- 1...c5
- 2.Sc7#
- 1...c6
- 2.Bb3#
- 1...e5
- 2.Sxe3#
- 1...e6!
- 1...Qxd7
- 1.Rd8?
- 1...Qxd8
- 2.Bb3#
- 2.Bc6#
- 2.Qc6#
- 1...Qd7
- 2.Bb3#
- 2.Bc6#
- 2.Rxd7#
- 2.Qc6#
- 1...b3
- 2.c4#
- 1...c5
- 2.Sc7#
- 1...c6
- 2.Bb3#
- 1...e5
- 2.Sxe3#
- 1...e6!
- 1...Qxd8
- 1.Qxg5+?
- 1...e5
- 2.Qxe5#
- 2.Qg8#
- 1...Ke6+!
- 1...e5
- 1.Qg7?
- threat
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 2.Qf7#
- 2.Qg8#
- 1...Ke6+!
- threat
- 1.Qf6?
- threat
- 2.Sxe3#
- 2.Qe5#
- 1...e5
- 2.Sxe3#
- 2.Qxe5#
- 2.Qf7#
- 1...exf6!
- threat
- 1.Qg6?
- threat
- 2.Qe4#
- 1...Qxd7
- 2.Bb3#
- 1...e5
- 2.Sxe3#
- 2.Qf7#
- 2.Qg8#
- 1...hxg6!
- threat
- 1.Bb5?
- Keys
- 1.Rf2!
- 1...Qxd7
- 2.Bb3#
- 1...exf2
- 2.e4#
- 1...e6
- 2.Qh1#
- 1...b3
- 2.c4#
- 1...c5
- 2.Sc7#
- 1...c6
- 2.Bb3#
- 1...e5
- 2.Sxe3#
- 1...Qxd7
- 1.Rf2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(e);N_SPINQ(e),XR(I)::B(E)
- P(b);N_GUARD::P(A)
- P(f);SBLOCK::S(G)
- P(f);SBLOCK::B(E)
- P(g);SBLOCK::S(F),XP(a)
- Tries
- Try
- B(E);
- Vars
- Q(e);N_SPINQ(e),XR(I)::B(E)
- P(b);N_GUARD::P(A)
- P(f);SBLOCK::S(G)
- P(f);SBLOCK::B(E)
- P(g);SBLOCK::S(F),XP(a)
- Refutation
- P(g);
- Try
- R(C);
- Vars
- Q(e);N_SPINQ(e),XR(I)::B(E)
- P(b);N_GUARD::P(A)
- P(f);SBLOCK::S(G)
- P(f);SBLOCK::B(E)
- P(g);SBLOCK::S(F),XP(a)
- Refutation
- P(g);
- Try
- R(C);
- Vars
- Q(e);N_SPINQ(e),XR(I)::B(E)
- P(b);N_GUARD::P(A)
- P(f);SBLOCK::S(G)
- P(f);SBLOCK::B(E)
- P(g);SBLOCK::S(F),XP(a)
- Refutation
- P(g);
- Try
- R(C);
- Vars
- Q(e);N_SPINQ(e),XR(I)::B(E)
- P(b);N_GUARD::P(A)
- P(f);SBLOCK::S(G)
- P(f);SBLOCK::B(E)
- P(g);SBLOCK::S(F),XP(a)
- Refutation
- P(g);
- Try
- R(C);P_PINP(d)
- Vars
- Q(e);N_SPINQ(e),XR(I)::B(E)
- P(b);N_GUARD::P(A)
- P(f);SBLOCK::S(G)
- P(f);SBLOCK::B(E)
- P(g);N_SPINP(d),SBLOCK::S(F),XP(a)
- Refutation
- P(g);
- Try
- R(I);
- Vars
- P(b);N_GUARD::P(A)
- P(f);SBLOCK::S(G)
- P(f);SBLOCK::B(E)
- P(g);SBLOCK::S(F),XP(a)
- Refutation
- P(g);
- Try
- Q(H);CHECK,XP(d)
- Refutation
- K(c);CHECK,N_SPINQ(e),S_FLIGHT
- Try
- Q(H);
- Threat
- QAR1(H)
- Refutation
- K(c);CHECK,N_SPINQ(e),S_FLIGHT
- Try
- Q(H);
- Threat
- DUALS(2)
- Refutation
- P(g);XQ(H)
- Try
- Q(H);
- Threat
- QAB1(H)
- Vars
- Q(e);N_SPINQ(e),XR(I)::B(E)
- Refutation
- P(h);XQ(H)
- Try
- Actual
- R(C);
- Vars
- Q(e);N_SPINQ(e),XR(I)::B(E)
- P(a);OGATE,XR(C)::P(B)
- P(g);SBLOCK::QAB(H)
- P(b);N_GUARD::P(A)
- P(f);SBLOCK::S(G)
- P(f);SBLOCK::B(E)
- P(g);SBLOCK::S(F),XP(a)
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