MESON Chess Problem Database
Problem Display
PID: 69527 (3nq3/2Rbk1Pn/2pN4/4PBp1/1N4P1/3K4/7B/5Q2 w - - 0 1)
Crum, John
The Chess Player's Chronicle (Sampson), 1877
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...c5
- 2.Sd5#
- 1...Qh5
- Tries
- 1.Kc2?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Kd2?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Ke2?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Kc3?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Ke3?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Ke4?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6+!
- 1...Se6
- 1.Bg1?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Bg3?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Bxd7?
- threat
- 2.Sc8#
- 1...Qg6+
- 2.Bf5#
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Sf6
- 2.Qxf6#
- 2.exf6#
- 1...Qxd7!
- threat
- 1.Qe2?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qg2?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qh3?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qb1?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qc1?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.Qxg5#
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qd1?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qe1?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qg1?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qh1?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qf2?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.Qf3?
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Sf6!
- 1...Se6
- 1.g8Q?
- threat
- 2.Sc8#
- 2.Qxe8#
- 1...Se6
- 2.Sxc6#
- 2.Qxe8#
- 1...Sb7
- 2.Sxc6#
- 2.Qxe8#
- 1...Sf7
- 2.Sxc6#
- 2.Qxe8#
- 1...Sf6
- 2.Sc8#
- 1...Qh5
- 2.Sc8#
- 2.Rxd7#
- 1...Qg6
- 2.Sc8#
- 2.Rxd7#
- 1...Qf7
- 2.Sc8#
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Sf8
- 2.Sc8#
- 2.Qxg5#
- 1...Qxg8!
- threat
- 1.Kc2?
- Keys
- 1.Qa1!
- 1...Se6
- 2.Sxc6#
- 1...Sb7
- 2.Sxc6#
- 1...Sf7
- 2.Sxc6#
- 1...Sf6
- 2.exf6#
- 1...Qh5
- 2.Rxd7#
- 1...Qg6
- 2.Rxd7#
- 1...Qf7
- 2.Rxd7#
- 1...Qf8
- 2.Rxd7#
- 1...Qg8
- 2.Rxd7#
- 1...Qh8
- 2.Rxd7#
- 1...Sf8
- 2.g8S#
- 1...c5
- 2.Sd5#
- 1...Se6
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- S(f);N_GUARD::S(D),XP(b)
- P(b);N_GUARD::S(D)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- K(C);P-FLIGHT
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- K(C);S_FLIGHT
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD,P_PINP(E)::R1(I),XB(c)
- Q(g);N_GUARD::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- K(C);P-FLIGHT
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- K(C);P-FLIGHT
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- K(C);S_FLIGHT
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);CHECK
- Try
- B(B);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- B(B);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- B(G);XB(c)
- Threat
- S(H)
- Vars
- Q(g);CHECK,N_GUARD::R(I)+B(G)
- S(f);N_GUARD::S(D),XP(b)
- Refutation
- Q(g);P_PINS(H),P_SPINQ(g),XB(G)
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
- Refutation
- S(e);
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- S(e);::S(H)
- Q(g);N_GUARD::R1(I),XB(c)
- Refutation
- Q(g);XQ(J)
- Try
- Actual
- Q(A);
- Vars
- S(f);N_GUARD::S(D),XP(b)
- S(e);OGATE::P(F),XS(e)
- Q(g);N_GUARD::R1(I),XB(c)
- Q(g);N_GUARD,P_PINB(G)::R1(I),XB(c)
- S(e);SBLOCK,S_CUTQ(g)::P=S
- P(b);N_GUARD::S(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).