MESON Chess Problem Database
Problem Display
PID: 101110 (2n1N2B/2Pbp2P/1pp1k1BQ/qR1r2PN/1nr3P1/4pK2/8/5R2 w - - 0 1)
Millins, Edward
Good Companions, 1920
#2
12 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sf4#
- 1...Rc2
- 2.Sf4#
- 1...Rc3
- 2.Sf4#
- 1...Rf4+
- 2.Sxf4#
- 1...Rcc5
- 2.Sf4#
- 1...Rd1
- 2.Shg7#
- 1...Rd2
- 2.Shg7#
- 1...Rd3
- 2.Shg7#
- 1...Rd4
- 2.Shg7#
- 1...Re5
- 2.Shg7#
- 1...Rf5+
- 2.gxf5#
- 1...Rxg5
- 2.Shg7#
- 1...Rd6
- 2.Shg7#
- 2.Seg7#
- 1...Bxe8
- 2.Bxe8#
- 1...Rc1
- Tries
- 1.Ke2?
- threat
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf7#
- 1...Qa2+
- 2.Bc2#
- 1...Rc2+
- 2.Bxc2#
- 1...Rxb5
- 2.Be4#
- 2.Bf7#
- 1...Rxg5
- 2.Shg7#
- 2.Bf7#
- 1...Bxe8
- 2.Bxe8#
- 1...Rdc5
- 2.Be4#
- 2.Bf7#
- 1...Qa1
- 2.Bf7#
- 1...Re4
- 2.Bxe4#
- 2.Bf7#
- 1...Rf4
- 2.Sxf4#
- 1...Rd3
- 2.Shg7#
- 2.Bxd3#
- 2.Be4#
- 2.Bf7#
- 1...Rf5
- 2.Shg7#
- 2.gxf5#
- 1...Sc2
- 2.Bxc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf7#
- 1...Sd3
- 2.Bxd3#
- 2.Be4#
- 2.Bf7#
- 1...Rd2+!
- threat
- 1.Kg3?
- threat
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf7#
- 1...Rxb5
- 2.Be4#
- 2.Bf7#
- 1...Rxg5
- 2.Shg7#
- 2.Bf7#
- 1...Bxe8
- 2.Bxe8#
- 1...Rdc5
- 2.Be4#
- 2.Bf7#
- 1...Qa1
- 2.Bf7#
- 1...Rc2
- 2.Sf4#
- 2.Bxc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf7#
- 1...Re4
- 2.Bxe4#
- 2.Bf7#
- 1...Rf4
- 2.Sxf4#
- 1...Rd3
- 2.Shg7#
- 2.Bxd3#
- 2.Be4#
- 2.Bf7#
- 1...Rf5
- 2.Shg7#
- 2.gxf5#
- 1...Sc2
- 2.Bxc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf7#
- 1...Sd3
- 2.Bxd3#
- 2.Be4#
- 2.Bf7#
- 1...Rxg4+!
- threat
- 1.Bd4?
- threat
- 2.Sf4#
- 2.Shg7#
- 1...Rf5+
- 2.gxf5#
- 1...Rdxd4
- 2.Shg7#
- 1...Rxb5
- 2.Sf4#
- 1...Bxe8
- 2.Bxe8#
- 1...Rdc5
- 2.Sf4#
- 1...Sd3
- 2.Shg7#
- 1...Rcxd4!
- threat
- 1.Ke2?
- Keys
- 1.Kxe3!
- threat
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf7#
- 1...Qa3+
- 2.Bd3#
- 1...Rc3+
- 2.Bd3#
- 1...Re4+
- 2.Bxe4#
- 1...Rd3+
- 2.Bxd3#
- 1...Re5+
- 2.Be4#
- 1...Sc2+
- 2.Bxc2#
- 1...Rxb5
- 2.Be4#
- 2.Bf7#
- 1...Rxg5
- 2.Shg7#
- 2.Bf7#
- 1...Bxe8
- 2.Bxe8#
- 1...Rdc5
- 2.Be4#
- 2.Bf7#
- 1...Qa1
- 2.Bf7#
- 1...Rc2
- 2.Sf4#
- 2.Bxc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf7#
- 1...Rf4
- 2.Sxf4#
- 1...Rf5
- 2.Shg7#
- 2.gxf5#
- 1...Sd3
- 2.Bxd3#
- 2.Be4#
- 2.Bf7#
- threat
- 1.Kxe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD::S(F)
- R(c);CHECK,N_GUARD::S(F),XR(c)
- R(e);::S(F)
- R(e);CHECK,OGATE::P(C),XR(e)
- R(e);XP(E)::S(F)
- B(i);OGATE,XS(K)::QAR(H)+B(G),XB(i)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- DUALS(5)
- Vars
- Q(d);CHECK::QAR(H)+B(G)
- R(c);CHECK::QAR(H)+B(G),XR(c)
- B(i);OGATE,XS(K)::QAR(H)+B(G),XB(i)
- Q(d);::QAR(H)+B(G),DCHECK
- R(c);N_GUARD::S(F),XR(c)
- Refutation
- R(e);CHECK
- Try
- K(B);P-FLIGHT
- Threat
- DUALS(5)
- Vars
- B(i);OGATE,XS(K)::QAR(H)+B(G),XB(i)
- Q(d);::QAR(H)+B(G),DCHECK
- R(c);N_GUARD::S(F),XR(c)
- Refutation
- R(c);CHECK,XP(C)
- Try
- B(L);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,OGATE::P(C),XR(e)
- R(e);XB(L)::S(F)
- R(e);XR(D)::S(F)
- B(i);OGATE,XS(K)::QAR(H)+B(G),XB(i)
- R(e);::S(F)
- S(b);::S(F)
- Refutation
- R(c);XB(L)
- Try
- Actual
- K(B);P-FLIGHT,XP(a)
- Threat
- DUALS(5)
- Vars
- Q(d);CHECK::QAR(H)+B(G)
- R(c);CHECK::QAR(H)+B(G)
- R(c);CHECK::QAR(H)+B(G),XR(c)
- R(e);CHECK::QAR(H)+B(G),XR(e)
- R(e);CHECK::QAR(H)+B(G)
- S(b);CHECK::QAR(H)+B(G),XS(b)
- B(i);OGATE,XS(K)::QAR(H)+B(G),XB(i)
- Q(d);::QAR(H)+B(G),DCHECK
- R(c);N_GUARD::S(F),XR(c)
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