MESON Chess Problem Database
Problem Display
PID: 224284 (8/3p4/3r4/3n4/pPkNQbNR/K1p1P1p1/2P1b1B1/8 w - - 0 1)
Ladd, Herbert T
Brownson's Chess Journal, 1887
#2
9 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Qxd5#
- 1...Rb6
- 2.Qxd5#
- 1...Rc6
- 2.Qxd5#
- 1...Re6
- 2.Qxd5#
- 1...Rf6
- 2.Qxd5#
- 1...Rg6
- 2.Qxd5#
- 1...Rh6
- 2.Qxd5#
- 1...Bd1
- 2.Qd3#
- 1...Bf1
- 2.Bxf1#
- 1...Bd3
- 2.Qxd3#
- 2.cxd3#
- 1...Bf3
- 2.Qd3#
- 1...Bxg4
- 2.Qd3#
- 1...Bxe3
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...Bg5
- 2.Se5#
- 1...Bh6
- 2.Se5#
- 1...Ra6
- Tries
- 1.Rh5?
- 1...Bxg4
- 2.Qd3#
- 1...Bxe3
- 2.Se5#
- 1...Sxe3
- 2.Rc5#
- 1...Ra6
- 2.Qxd5#
- 1...Rb6
- 2.Qxd5#
- 1...Rc6
- 2.Qxd5#
- 1...Re6
- 2.Qxd5#
- 1...Rf6
- 2.Qxd5#
- 1...Rg6
- 2.Qxd5#
- 1...Rh6
- 2.Qxd5#
- 1...Bd1
- 2.Qd3#
- 1...Bf1
- 2.Bxf1#
- 1...Bd3
- 2.Qxd3#
- 2.cxd3#
- 1...Bf3
- 2.Qd3#
- 1...Be5
- 2.Sxe5#
- 1...Bg5
- 2.Se5#
- 1...Bh6
- 2.Se5#
- 1...Sb6
- 2.Rc5#
- 1...Sf6
- 2.Rc5#
- 1...Sc7
- 2.Rc5#
- 1...Se7
- 2.Rc5#
- 1...Sxb4!
- 1...Bxg4
- 1.exf4?
- threat
- 2.Se5#
- 1...Bxg4
- 2.Qd3#
- 1...Re6
- 2.Qxd5#
- 1...Sxb4!
- threat
- 1.Rh5?
- Keys
- 1.Qf5!
- 1...Bxg4
- 2.Qd3#
- 1...Bxe3
- 2.Se5#
- 1...Sxe3
- 2.Qc5#
- 1...Sxb4
- 2.Qb5#
- 1...Ra6
- 2.Bxd5#
- 2.Qxd5#
- 1...Rb6
- 2.Bxd5#
- 2.Qxd5#
- 1...Rc6
- 2.Bxd5#
- 2.Qxd5#
- 1...Re6
- 2.Bxd5#
- 2.Qxd5#
- 1...Rf6
- 2.Bxd5#
- 2.Qxd5#
- 1...Rg6
- 2.Bxd5#
- 2.Qxd5#
- 1...Rh6
- 2.Bxd5#
- 2.Qxd5#
- 1...Bd1
- 2.Qd3#
- 1...Bf1
- 2.Bxf1#
- 1...Bd3
- 2.Qxd3#
- 2.cxd3#
- 1...Bf3
- 2.Qd3#
- 1...Be5
- 2.Sxe5#
- 1...Bg5
- 2.Se5#
- 1...Bh6
- 2.Se5#
- 1...Sb6
- 2.Qb5#
- 2.Qc5#
- 1...Sf6
- 2.Qb5#
- 2.Qc5#
- 1...Sc7
- 2.Qc5#
- 1...Se7
- 2.Qb5#
- 2.Qc5#
- 1...Bxg4
- 1.Qf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- R(h);N_GUARD::QAB1(G),XS(g)
- B(a);N_GUARD::QAB1(G)
- B(a);OGATEB::B(B),XB(a)
- B(a);N_GUARD,XS(H)::QAB1(G)
- B(f);N_GUARD,XP(D)::S(H)
- B(f);N_GUARD::S(H),XB(f)
- B(f);N_GUARD::S(H)
- Tries
- Try
- R(I);
- Vars
- B(a);N_GUARD,XS(H)::QAB1(G)
- B(f);N_GUARD,XP(D)::S(H)
- S(g);OGATE,XP(D)::R1(I)
- R(h);N_GUARD::QAB1(G),XS(g)
- B(a);N_GUARD::QAB1(G)
- B(a);OGATEB::B(B),XB(a)
- B(f);N_GUARD::S(H),XB(f)
- B(f);N_GUARD::S(H)
- S(g);OGATE::R1(I)
- Refutation
- S(g);XP(E)
- Try
- P(D);XB(f)
- Threat
- S(H)
- Vars
- B(a);N_GUARD,XS(H)::QAB1(G)
- R(h);N_GUARD::QAB1(G),XS(g)
- Refutation
- S(g);XP(E)
- Try
- Actual
- Q(G);
- Vars
- B(a);N_GUARD,XS(H)::QAB1(G)
- B(f);N_GUARD,XP(D)::S(H)
- S(g);OGATE,XP(D)::QAR1(G)
- S(g);OGATE,XP(E)::QAB1(G)
- B(a);N_GUARD::QAB1(G)
- B(a);OGATEB::B(B),XB(a)
- B(f);N_GUARD::S(H),XB(f)
- B(f);N_GUARD::S(H)
- S(g);OGATE::QAR1(G)
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