MESON Chess Problem Database
Problem Display
PID: 4637 (8/2p2KQ1/R1bkB2p/2p2P1P/1r2p3/N3B3/7b/8 w - - 0 1)
Shinkman, William Anthony
Chess Monthly, 1885
#2
8 + 8
| 2638 | White to Play | 1913 |
| 3925 | The Golden Argosy | 1929 |
| 5063 | Spectacular Chess Problems | 1965 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sc4#
- 1...Rb2
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Ra4
- 2.Sb5#
- 1...Rc4
- 2.Sxc4#
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Rb5
- 2.Sc4#
- 2.Sxb5#
- 1...Rb6
- 2.Sc4#
- 1...Rb7
- 2.Sc4#
- 1...Rb8
- 2.Sc4#
- 1...Bg1
- 2.Bf4#
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Bxf4#
- 1...Be5
- 2.Qf8#
- 1...c4
- 2.Qd4#
- 1...Rb1
- Tries
- 1.Kf6?
- threat
- 2.Qf8#
- 2.Qd7#
- 2.Qe7#
- 1...Rb6
- 2.Sc4#
- 2.Qf8#
- 2.Qe7#
- 1...Rb8
- 2.Sc4#
- 2.Qd7#
- 2.Qe7#
- 1...Be5+!
- threat
- 1.Kf8?
- 1...Rb1
- 2.Sc4#
- 1...Rb2
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Ra4
- 2.Sb5#
- 1...Rc4
- 2.Sxc4#
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Rb5
- 2.Sc4#
- 2.Sxb5#
- 1...Rb6
- 2.Sc4#
- 1...Rb7
- 2.Sc4#
- 1...Bg1
- 2.Bf4#
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Bxf4#
- 1...Be5
- 2.Qd7#
- 2.Qe7#
- 1...c4
- 2.Qd4#
- 1...Rb8+!
- 1...Rb1
- 1.Bc1?
- 1...c4
- 2.Qd4#
- 1...Bg3
- 2.Qxg3#
- 1...Rb1
- 2.Sc4#
- 1...Rb2
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Ra4
- 2.Sb5#
- 1...Rc4
- 2.Sxc4#
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Rb5
- 2.Sc4#
- 2.Sxb5#
- 1...Rb6
- 2.Sc4#
- 1...Rb7
- 2.Sc4#
- 1...Rb8
- 2.Sc4#
- 1...Bg1
- 2.Bf4#
- 2.Qg3#
- 1...Bf4
- 2.Bxf4#
- 1...Be5
- 2.Qf8#
- 1...e3!
- 1...c4
- 1.Bd2?
- 1...c4
- 2.Bxb4#
- 2.Qd4#
- 1...Bg3
- 2.Qxg3#
- 1...Rb1
- 2.Sc4#
- 1...Rb2
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Ra4
- 2.Sb5#
- 1...Rc4
- 2.Sxc4#
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Rb5
- 2.Sc4#
- 2.Sxb5#
- 1...Rb6
- 2.Sc4#
- 1...Rb7
- 2.Sc4#
- 1...Rb8
- 2.Sc4#
- 1...Bg1
- 2.Bf4#
- 2.Qg3#
- 1...Bf4
- 2.Bxf4#
- 1...Be5
- 2.Qf8#
- 1...e3!
- 1...c4
- 1.Bd4?
- threat
- 2.Qf8#
- 1...Rxd4
- 2.Sb5#
- 1...Rb8
- 2.Sc4#
- 1...cxd4!
- threat
- 1.Bxh6?
- 1...c4
- 2.Qd4#
- 1...Rb1
- 2.Sc4#
- 1...Rb2
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Ra4
- 2.Sb5#
- 1...Rc4
- 2.Sxc4#
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Rb5
- 2.Sc4#
- 2.Sxb5#
- 1...Rb6
- 2.Sc4#
- 1...Rb7
- 2.Sc4#
- 1...Rb8
- 2.Sc4#
- 1...Bg1
- 2.Bf4#
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Bxf4#
- 1...Be5
- 2.Qf8#
- 1...e3!
- 1...c4
- 1.Rb6?
- 1...Rxb6
- 2.Sc4#
- 1...Rb1
- 2.Sc4#
- 1...Rb2
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Ra4
- 2.Sb5#
- 1...Rc4
- 2.Sxc4#
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Rb5
- 2.Sc4#
- 2.Sxb5#
- 1...Bg1
- 2.Bf4#
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Bxf4#
- 1...Be5
- 2.Qf8#
- 1...c4
- 2.Qd4#
- 1...cxb6!
- 1...Rxb6
- 1.Qc3?
- threat
- 2.Bxc5#
- 2.Qxc5#
- 1...Rc4
- 2.Sxc4#
- 2.Sb5#
- 1...Rb5
- 2.Sc4#
- 2.Sxb5#
- 1...Bg1
- 2.Bf4#
- 2.Qxc5#
- 1...c4
- 2.Qd4#
- 1...Rd4!
- threat
- 1.Qf6?
- 1...Rb1
- 2.Sc4#
- 1...Rb2
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Ra4
- 2.Sb5#
- 1...Rc4
- 2.Sxc4#
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Rb5
- 2.Sc4#
- 2.Sxb5#
- 1...Rb6
- 2.Sc4#
- 1...Rb7
- 2.Sc4#
- 1...Rb8
- 2.Sc4#
- 1...Bg1
- 2.Bf4#
- 1...Bf4
- 2.Bxf4#
- 1...Be5
- 2.Qe7#
- 2.Qd8#
- 1...c4
- 2.Qd4#
- 1...Bg3!
- 1...Rb1
- 1.Qh8?
- 1...Rb1
- 2.Sc4#
- 1...Rb2
- 2.Sc4#
- 1...Rb3
- 2.Sc4#
- 1...Ra4
- 2.Sb5#
- 1...Rc4
- 2.Sxc4#
- 2.Sb5#
- 1...Rd4
- 2.Sb5#
- 1...Rb5
- 2.Sc4#
- 2.Sxb5#
- 1...Rb6
- 2.Sc4#
- 1...Rb7
- 2.Sc4#
- 1...Rb8
- 2.Sc4#
- 1...Bg1
- 2.Bf4#
- 1...Bf4
- 2.Bxf4#
- 1...Be5
- 2.Qd8#
- 2.Qf8#
- 1...c4
- 2.Qd4#
- 1...Bg3!
- 1...Rb1
- 1.Qg2?
- threat
- 2.Qxh2#
- 1...Ke5
- 2.Qxh2#
- 1...Bg3
- 2.Qxg3#
- 1...Rb2
- 2.Sc4#
- 1...Bg1
- 2.Bf4#
- 2.Qg3#
- 1...Bf4
- 2.Bxf4#
- 1...Be5!
- threat
- 1.Kf6?
- Keys
- 1.Qg1!
- threat
- 2.Qxh2#
- 1...Ke5
- 2.Qxh2#
- 1...Bxg1
- 2.Bf4#
- 1...Bg3
- 2.Qxg3#
- 1...Rb2
- 2.Sc4#
- 1...Bf4
- 2.Bxf4#
- 1...Be5
- 2.Bxc5#
- threat
- 1.Qg1!
There are these versions: 223304
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(b);N_GUARD::S(A)
- R(b);N_GUARD,N_SPINB(e)::S(A)
- B(a);N_GUARD::QAB(H),XB(a)
- B(a);N_GUARD::B(B),XB(a)
- B(a);SBLOCK::QAB(H)
- P(d);N_GUARD,S_CUTR(b)::QAR2(H)
- Tries
- Try
- K(G);P-FLIGHT
- Threat
- DUALS(3)
- Refutation
- B(a);CHECK
- Try
- K(G);P-FLIGHT
- Vars
- R(b);N_GUARD::S(A)
- R(b);N_GUARD,N_SPINB(e)::S(A)
- B(a);N_GUARD::QAB(H),XB(a)
- B(a);N_GUARD::B(B),XB(a)
- P(d);N_GUARD,S_CUTR(b)::QAR2(H)
- Refutation
- R(b);CHECK
- Try
- B(B);
- Vars
- P(d);N_GUARD,S_CUTR(b)::QAR2(H)
- B(a);N_GUARD::QAB(H),XB(a)
- R(b);N_GUARD::S(A)
- R(b);N_GUARD,N_SPINB(e)::S(A)
- B(a);N_GUARD::B(B),XB(a)
- B(a);SBLOCK::QAB(H)
- Refutation
- P(c);
- Try
- B(B);
- Vars
- B(a);N_GUARD::QAB(H),XB(a)
- R(b);N_GUARD::S(A)
- R(b);N_GUARD,N_SPINB(e)::S(A)
- B(a);N_GUARD::B(B),XB(a)
- B(a);SBLOCK::QAB(H)
- Refutation
- P(c);
- Try
- B(B);
- Threat
- QAB(H)
- Vars
- R(b);N_GUARD,XB(B)::S(A)
- R(b);N_GUARD::S(A)
- Refutation
- P(d);XB(B)
- Try
- B(B);XP(g)
- Vars
- P(d);N_GUARD,S_CUTR(b)::QAR2(H)
- R(b);N_GUARD::S(A)
- R(b);N_GUARD,N_SPINB(e)::S(A)
- B(a);N_GUARD::QAB(H),XB(a)
- B(a);N_GUARD::B(B),XB(a)
- B(a);SBLOCK::QAB(H)
- Refutation
- P(c);
- Try
- R(E);
- Vars
- R(b);N_GUARD,N_SPINB(e),XR(E)::S(A)
- R(b);N_GUARD::S(A)
- B(a);N_GUARD::QAB(H),XB(a)
- B(a);N_GUARD::B(B),XB(a)
- B(a);SBLOCK::QAB(H)
- P(d);N_GUARD,S_CUTR(b)::QAR2(H)
- Refutation
- P(h);N_SPINB(e),XR(E)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- P(d);N_GUARD,S_CUTR(b)::QAR2(H)
- Refutation
- R(b);
- Try
- Q(H);
- Vars
- R(b);N_GUARD::S(A)
- R(b);N_GUARD,N_SPINB(e)::S(A)
- B(a);N_GUARD::B(B)
- B(a);N_GUARD::B(B),XB(a)
- P(d);N_GUARD,S_CUTR(b)::QAR2(H)
- Refutation
- B(a);
- Try
- Q(H);
- Vars
- R(b);N_GUARD::S(A)
- R(b);N_GUARD,N_SPINB(e)::S(A)
- B(a);N_GUARD::B(B)
- B(a);N_GUARD::B(B),XB(a)
- P(d);N_GUARD,S_CUTR(b)::QAR2(H)
- Refutation
- B(a);
- Try
- Q(H);
- Threat
- QAB(H),XB(a)
- Vars
- K(f);N_SPINB(e),S_FLIGHT::QAB(H),XB(a)
- B(a);N_GUARD::QAB(H),XB(a)
- R(b);N_GUARD::S(A)
- B(a);N_GUARD::B(B),XB(a)
- Refutation
- B(a);
- Try
- Actual
- Q(H);
- Threat
- QAB(H),XB(a)
- Vars
- K(f);N_SPINB(e),S_FLIGHT::QAB(H),XB(a)
- B(a);N_GUARD,XQ(H)::B(B)
- B(a);N_GUARD::QAB(H),XB(a)
- R(b);N_GUARD::S(A)
- B(a);N_GUARD::B(B),XB(a)
- B(a);SBLOCK::B(B),XP(d)
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