MESON Chess Problem Database
Problem Display
PID: 155450 (8/1N6/R5K1/1nQpp1B1/3pk3/1n1rb2R/Nq6/5B2 w - - 0 1)
Carpenter, George Edward
Chess Record, 1873
#2
8 + 9
| 14907 | Good Companion Chess Problem Club | 1916 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Bg2#
- 1...Qc1
- 2.Bg2#
- 1...Qa3
- 2.Bg2#
- 1...Qc3
- 2.Bg2#
- 1...Qb1
- 2.Bg2#
- 1...Qg2
- 2.Bxg2#
- 1...Bc1
- 2.Bxd3#
- 1...Bg1
- 2.Bxd3#
- 1...Bd2
- 2.Bxd3#
- 1...Bf2
- 2.Bxd3#
- 1...Bf4
- 2.Bxd3#
- 1...Sxc5
- 2.Sxc5#
- 1...Sa3
- 2.Sd6#
- 1...Sc3
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Sc7
- 2.Sd6#
- 1...Qa1
- Tries
- 1.Sb4?
- threat
- 2.Bxd3#
- 2.Qxd5#
- 1...Sxc5
- 2.Sxc5#
- 1...Qc3
- 2.Bg2#
- 2.Qxd5#
- 1...Qb1
- 2.Bg2#
- 2.Qxd5#
- 1...Qc2
- 2.Qxd5#
- 1...Qd2
- 2.Qxd5#
- 1...Qe2
- 2.Qxd5#
- 1...Rd1
- 2.Qxd5#
- 1...Rd2
- 2.Qxd5#
- 1...Rc3
- 2.Qxd5#
- 1...Sc1
- 2.Qxd5#
- 1...Sc3
- 2.Sd6#
- 2.Bxd3#
- 1...Sc7
- 2.Sd6#
- 2.Bxd3#
- 1...Bxg5!
- threat
- 1.Qf8?
- threat
- 2.Qf3#
- 2.Qf5#
- 1...Bxg5
- 2.Bxd3#
- 2.Qf5#
- 1...Qe2
- 2.Qf5#
- 1...Qg2
- 2.Bxg2#
- 2.Qf5#
- 1...Bc1
- 2.Bxd3#
- 2.Qf5#
- 1...Bg1
- 2.Bxd3#
- 2.Rh4#
- 2.Qf5#
- 1...Bd2
- 2.Bxd3#
- 2.Qf5#
- 1...Bf2
- 2.Bxd3#
- 2.Qf5#
- 1...Bf4
- 2.Bxd3#
- 2.Qf5#
- 1...Sd2
- 2.Sc5#
- 2.Qf5#
- 1...Sd6
- 2.Sxd6#
- 2.Qf3#
- 1...Qf2!
- threat
- 1.Qxb5?
- threat
- 2.Sd6#
- 2.Bxd3#
- 2.Qxd3#
- 1...Qc2
- 2.Sd6#
- 1...Qa3
- 2.Bg2#
- 2.Bxd3#
- 2.Qxd3#
- 1...Qc3
- 2.Sd6#
- 2.Bg2#
- 1...Qb1
- 2.Sd6#
- 2.Bg2#
- 1...Qd2
- 2.Sd6#
- 1...Qe2
- 2.Sd6#
- 1...Rd1
- 2.Sd6#
- 1...Rd2
- 2.Sd6#
- 1...Rc3
- 2.Sd6#
- 1...Sc1
- 2.Sc5#
- 2.Sd6#
- 1...Sc5
- 2.Sxc5#
- 2.Sd6#
- 1...Bxg5!
- threat
- 1.Qc8?
- threat
- 2.Qf5#
- 1...Sd6
- 2.Sxd6#
- 1...Qf2!
- threat
- 1.Sb4?
- Keys
- 1.Qxd4+!
- 1...Kxd4
- 2.Ra4#
- 1...Qxd4
- 2.Bg2#
- 1...Rxd4
- 2.Rxe3#
- 1...Bxd4
- 2.Bxd3#
- 1...S3xd4
- 2.Sc5#
- 1...S5xd4
- 2.Sd6#
- 1...exd4
- 2.Re6#
- 1...Kxd4
- 1.Qxd4+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 17
- Sets
- Q(a);N_GUARD::B(A)
- Q(a);N_GUARD,P_PINB(E)::B(A),XQ(a)
- B(d);::B(A),XR(c)
- S(b);XQ(D)::S(H),XS(b)
- S(g);N_GUARD::S(H)
- S(g);N_GUARD::S(H),XS(g)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(b);XQ(D)::S(H),XS(b)
- Q(a);::QAB1(D),XP(h)
- R(c);::QAB1(D),XP(h)
- S(b);::QAB1(D),XP(h)
- Refutation
- B(d);XB(E)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(D)
- Refutation
- Q(a);
- Try
- Q(D);XS(g)
- Threat
- DUALS(3)
- Vars
- Q(a);::S(H)
- R(c);::S(H)
- Refutation
- B(d);XB(E)
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- S(g);N_GUARD::S(H),XS(g)
- Refutation
- Q(a);
- Try
- Actual
- Q(D);CHECK,XP(e)
- Vars
- K(f);P-FLIGHT,XQ(D)::R(F)
- Q(a);SBLOCK,XQ(D)::B(A)
- R(c);SBLOCK,XQ(D)::R1(C),XB(d)
- B(d);SBLOCK,XQ(D)::B(A),XR(c)
- S(b);SBLOCK,XQ(D)::S(H)
- S(g);SBLOCK,XQ(D)::S(H)
- P(i);SBLOCK,S_CUTB(d),S_CUTQ(a),S_CUTR(c),S_CUTS(b),S_CUTS(g),XQ(D)::R(F)
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