MESON Chess Problem Database
Problem Display
PID: 561 (4N1R1/7K/2pp4/1B1r1k2/Q2b2p1/2NpR1P1/8/2n5 w - - 0 1)
Morse, Christopher Jeremy
1st Prize, The Observer, 1964
#2
8 + 8
| 5862 | An ABC of Chess Problems | 1970 |
| 81 | Chess | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Bxc3
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bxe3
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Be5
- 2.Qxg4#
- 1...Bb6
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bf6
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Ba7
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bg7
- 2.Qf4#
- 1...Bh8
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Sa2
- 2.Bxd3#
- 1...Se2
- 2.Bxd3#
- 1...Sb3
- 2.Bxd3#
- 1...c5
- 2.Bd7#
- 1...Bxc3
- Tries
- 1.Sxd5?
- threat
- 2.Se7#
- 2.Sxd6#
- 1...cxd5
- 2.Bd7#
- 1...Be5
- 2.Qxg4#
- 1...Bg7
- 2.Qf4#
- 1...Bc5
- 2.Se7#
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bf6
- 2.Sxd6#
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bxe3!
- threat
- 1.Sxd6+?
- 1...Kf6
- 2.Rg6#
- 1...Rxd6!
- 1...Kf6
- 1.Sg7+?
- 1...Kg5
- 2.Se4#
- 1...Bxg7
- 2.Qf4#
- 1...Kf6!
- 1...Kg5
- 1.Ba6?
- threat
- 2.Bc8#
- 1...Bxe3
- 2.Qe4#
- 1...Bg7
- 2.Qf4#
- 1...Re5!
- threat
- 1.Bxc6?
- threat
- 2.Bd7#
- 1...Bxe3
- 2.Qe4#
- 1...Bg7
- 2.Qf4#
- 1...Re5!
- threat
- 1.Rf8+?
- 1...Bf6
- 2.Qf4#
- 1...Kg5!
- 1...Bf6
- 1.Qxd4?
- threat
- 2.Qf6#
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Re5
- 2.Qxg4#
- 1...Se2
- 2.Bxd3#
- 2.Qf6#
- 2.Qe4#
- 2.Qxg4#
- 1...Rxd4!
- threat
- 1.Sxd5?
- Keys
- 1.Qc4!
- 1...Rxb5
- 2.Qe6#
- 1...Bxc3
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bxe3
- 2.Qe4#
- 1...cxb5
- 2.Qc8#
- 1...Be5
- 2.Qxg4#
- 1...Bg7
- 2.Qf4#
- 1...Rc5
- 2.Qe6#
- 1...Re5
- 2.Qf7#
- 1...Bc5
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bb6
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bf6
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Ba7
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Bh8
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Sa2
- 2.Qxd3#
- 1...Se2
- 2.Qxd3#
- 1...Sb3
- 2.Qxd3#
- 1...d2
- 2.Qf1#
- 1...c5
- 2.Bd7#
- 1...Rxb5
- 1.Qc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(c);OGATE,XR(B)::QAB1(D)
- B(c);OGATE::QAB1(D),XP(d)
- B(c);OGATE::QAR1(D)
- S(a);N_GUARD::B(E),XP(b)
- P(g);OGATE::B(E)
- Tries
- Try
- S(A);XR(e)
- Threat
- DUALS(2)
- Vars
- P(g);OGATE,XS(A)::B(E)
- B(c);OGATE::QAB1(D),XP(d)
- B(c);OGATE::QAR1(D)
- Refutation
- B(c);XR(B)
- Try
- S(G);CHECK,XP(h)
- Vars
- K(f);P-FLIGHT::R1(H)
- Refutation
- R(e);XS(G)
- Try
- S(G);CHECK
- Vars
- K(f);P-FLIGHT::S(A)
- B(c);OGATE,XS(G)::QAR1(D)
- Refutation
- K(f);P-FLIGHT
- Try
- B(E);
- Threat
- B(E)
- Vars
- B(c);OGATE,XR(B)::QAB1(D)
- B(c);OGATE::QAR1(D)
- Refutation
- R(e);
- Try
- B(E);XP(g)
- Threat
- B(E)
- Vars
- B(c);OGATE,XR(B)::QAB1(D)
- B(c);OGATE::QAR1(D)
- Refutation
- R(e);
- Try
- R(H);CHECK
- Vars
- B(c);OGATE,P_SPINB(c)::QAR1(D)
- Refutation
- K(f);P-FLIGHT
- Try
- Q(D);XB(c)
- Threat
- DUALS(4)
- Vars
- R(e);::QAB1(D),XP(d)
- Refutation
- R(e);XQ(D)
- Try
- Actual
- Q(D);
- Vars
- R(e);OGATE,XB(E)::QAB1(D)
- B(c);OGATE,XR(B)::QAB1(D)
- P(g);OGATE,XB(E)::QAB(D)
- B(c);OGATE::QAB1(D),XP(d)
- B(c);OGATE::QAR1(D)
- R(e);OGATE::QAB1(D)
- R(e);OGATE::QAR2(D)
- S(a);N_GUARD::QAB(D),XP(b)
- P(b);OGATE::QAR(D)
- P(g);OGATE::B(E)
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