MESON Chess Problem Database
Problem Display
PID: 52429 (K7/1N6/kB2b3/8/1Rq2n2/1n1Q4/1r5b/8 w - - 0 1)
Sheppard, Charles William
Comm., Chess Life, 1955-1956
#2
5 + 7
| 5064 | 100 Years of the American Two-move Chess Problem | 1962 |
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qb5
- 2.Qxb5#
- 1...Bh3
- 2.Qxc4#
- 1...Bg4
- 2.Qxc4#
- 1...Bf5
- 2.Qxc4#
- 1...Bc8
- 2.Qxc4#
- 1...Sa1
- 2.Sc5#
- 2.Qa3#
- 1...Sc1
- 2.Sc5#
- 2.Qa3#
- 1...Sd2
- 2.Sc5#
- 2.Qa3#
- 1...Sd4
- 2.Sc5#
- 2.Qa3#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sd5
- 2.Qxc4#
- 1...Qb5
- Tries
- 1.Bf2?
- threat
- 2.Rb6#
- 1...Qb5
- 2.Qxb5#
- 1...Sa1
- 2.Qa3#
- 1...Sc1
- 2.Qa3#
- 1...Sd2
- 2.Qa3#
- 1...Sd4
- 2.Qa3#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Qd6#
- 1...Sd5
- 2.Qxc4#
- 1...Rxf2!
- threat
- 1.Bd4?
- threat
- 2.Rb6#
- 1...Sxd4
- 2.Qa3#
- 1...Qb5
- 2.Qxb5#
- 1...Sa1
- 2.Qa3#
- 1...Sc1
- 2.Qa3#
- 1...Sd2
- 2.Qa3#
- 1...Sa5
- 2.Sc5#
- 1...Sd5
- 2.Qxc4#
- 1...Sc5!
- threat
- 1.Bc5?
- threat
- 2.Rb6#
- 2.Qd6#
- 1...Qxd3
- 2.Rb6#
- 1...Sxc5
- 2.Qd6#
- 1...Sxd3
- 2.Rb6#
- 1...Qb5
- 2.Qxb5#
- 1...Rd2
- 2.Rb6#
- 1...Bd5
- 2.Rb6#
- 1...Bd7
- 2.Rb6#
- 1...Sa1
- 2.Qa3#
- 2.Qd6#
- 1...Sc1
- 2.Qa3#
- 2.Qd6#
- 1...Sd2
- 2.Qa3#
- 2.Qd6#
- 1...Sd4
- 2.Qa3#
- 1...Se2
- 2.Rb6#
- 1...Sg2
- 2.Rb6#
- 1...Sh3
- 2.Rb6#
- 1...Sd5
- 2.Qxc4#
- 1...Sh5
- 2.Rb6#
- 1...Sg6
- 2.Rb6#
- 1...Sa5!
- threat
- 1.Ba7?
- threat
- 2.Rb6#
- 1...Qb5
- 2.Qxb5#
- 1...Sa1
- 2.Qa3#
- 1...Sc1
- 2.Qa3#
- 1...Sd2
- 2.Qa3#
- 1...Sd4
- 2.Qa3#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Qd6#
- 1...Sd5
- 2.Qxc4#
- 1...Bg1!
- threat
- 1.Bc7?
- threat
- 2.Rb6#
- 1...Qb5
- 2.Qxb5#
- 1...Sa1
- 2.Sc5#
- 2.Qa3#
- 1...Sc1
- 2.Sc5#
- 2.Qa3#
- 1...Sd2
- 2.Sc5#
- 2.Qa3#
- 1...Sd4
- 2.Sc5#
- 2.Qa3#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 2.Qd6#
- 1...Sd5
- 2.Qxc4#
- 1...Bg1!
- threat
- 1.Bd8?
- threat
- 2.Rb6#
- 1...Qb5
- 2.Qxb5#
- 1...Sa1
- 2.Sc5#
- 2.Qa3#
- 1...Sc1
- 2.Sc5#
- 2.Qa3#
- 1...Sd2
- 2.Sc5#
- 2.Qa3#
- 1...Sd4
- 2.Sc5#
- 2.Qa3#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 2.Qd6#
- 1...Sd5
- 2.Qxc4#
- 1...Bg1!
- threat
- 1.Bf2?
- Keys
- 1.Be3!
- threat
- 2.Rb6#
- 1...Qb5
- 2.Qxb5#
- 1...Sa1
- 2.Qa3#
- 1...Sc1
- 2.Qa3#
- 1...Sd2
- 2.Qa3#
- 1...Sd4
- 2.Qa3#
- 1...Sa5
- 2.Sc5#
- 1...Sc5
- 2.Qd6#
- 1...Sd5
- 2.Qxc4#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- Q(d);OGATE::QAB1(A),XQ(d)
- B(g);N_GUARD::QAB(A),XQ(d)
- S(c);N_GUARD::S(D)
- S(c);N_GUARD::S(D),XS(c)
- S(e);S_CUTB(g)::QAB(A),XQ(d)
- Tries
- Try
- B(C);
- Threat
- R1(B)
- Vars
- Q(d);OGATE::QAB1(A),XQ(d)
- S(c);OGATE::QAR(A)
- S(c);N_GUARD,SBLOCK::S(D)
- S(c);::QAR(A)
- S(e);S_CUTB(g)::QAB(A),XQ(d)
- Refutation
- R(a);XB(C)
- Try
- B(C);
- Threat
- R1(B)
- Vars
- S(c);OGATE,XB(C)::QAR(A)
- Q(d);OGATE::QAB1(A),XQ(d)
- S(c);OGATE::QAR(A)
- S(c);N_GUARD,SBLOCK::S(D)
- S(e);S_CUTB(g)::QAB(A),XQ(d)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- Q(d);N_SPINQ(d),XQ(A)::R1(B)
- S(c);XB(C)::QAR(A)
- S(e);N_SPINQ(d),XQ(A)::R1(B)
- Q(d);OGATE::QAB1(A),XQ(d)
- R(a);::R1(B)
- B(g);P_PINS(D)::R1(B)
- B(g);::R1(B)
- S(c);OGATE::QAR(A)
- S(e);::R1(B)
- S(e);S_CUTB(g)::QAB(A),XQ(d)
- S(e);SBLOCK::R1(B)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- R1(B)
- Vars
- Q(d);OGATE::QAB1(A),XQ(d)
- S(c);OGATE::QAR(A)
- S(c);N_GUARD,SBLOCK::S(D)
- S(c);::QAR(A)
- S(e);S_CUTB(g)::QAB(A),XQ(d)
- Refutation
- B(b);
- Try
- B(C);
- Threat
- R1(B)
- Vars
- Q(d);OGATE::QAB1(A),XQ(d)
- S(c);N_GUARD::S(D)
- S(e);S_CUTB(g)::QAB(A),XQ(d)
- Refutation
- B(b);
- Try
- B(C);
- Threat
- R1(B)
- Vars
- Q(d);OGATE::QAB1(A),XQ(d)
- S(c);N_GUARD::S(D)
- S(e);S_CUTB(g)::QAB(A),XQ(d)
- Refutation
- B(b);
- Try
- Actual
- B(C);
- Threat
- R1(B)
- Vars
- Q(d);OGATE::QAB1(A),XQ(d)
- S(c);OGATE::QAR(A)
- S(c);N_GUARD,SBLOCK::S(D)
- S(c);::QAR(A)
- S(e);S_CUTB(g)::QAB(A),XQ(d)
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