MESON Chess Problem Database
Problem Display
PID: 6381 (7b/2N5/Q1N5/KR3n2/n1k3BR/2prp3/b1p5/8 w - - 0 1)
Mansfield, Comins
Budapest Chess Club, 1929
#2
7 + 9
| 3202 | Complete Mansfield/I | 1996 |
| 14868 | Pirnie Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Be2#
- 1...Rd2
- 2.Be2#
- 1...Rd4
- 2.Be2#
- 1...Rd5
- 2.Be2#
- 1...Rd6
- 2.Be2#
- 1...Rd7
- 2.Be2#
- 1...Rd8
- 2.Be2#
- 1...Bb3
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 1...Sc5
- 2.Rb4#
- 1...Sg3
- 2.Be6#
- 1...Sd4
- 2.Be6#
- 1...Sd6
- 2.Be6#
- 1...Sh6
- 2.Be6#
- 1...Se7
- 2.Be6#
- 1...Sg7
- 2.Be2#
- 2.Be6#
- 1...Rd1
- Tries
- 1.Kxa4?
- threat
- 2.Ra5#
- 2.Rd5#
- 2.Re5#
- 2.Rxf5#
- 1...Sxh4
- 2.Ra5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Rd5
- 2.Be2#
- 2.Rxd5#
- 1...Be5
- 2.Ra5#
- 2.Rd5#
- 2.Rxe5#
- 1...Sg3
- 2.Be6#
- 2.Ra5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rbh5#
- 1...Sd4
- 2.Sa5#
- 2.Be6#
- 1...Sd6
- 2.Be6#
- 1...Sh6
- 2.Be6#
- 2.Ra5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rbh5#
- 1...Se7
- 2.Be6#
- 2.Ra5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rbh5#
- 1...Sg7
- 2.Be2#
- 2.Be6#
- 2.Ra5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rbh5#
- 1...Bb3+!
- threat
- 1.Se5+?
- 1...Kd4
- 2.Bxf5#
- 1...Bxe5!
- 1...Kd4
- 1.Bf3+?
- 1...Rd4
- 2.Be2#
- 1...Bd4
- 2.Se5#
- 2.Bd5#
- 1...Sd4
- 2.Bd5#
- 1...Sxh4!
- 1...Rd4
- 1.Bxf5+?
- 1...Bd4
- 2.Se5#
- 2.Be6#
- 1...Rd4!
- 1...Bd4
- 1.Bh5+?
- 1...Rd4
- 2.Be2#
- 1...Bd4
- 2.Se5#
- 2.Bf7#
- 1...Sd4
- 2.Bf7#
- 1...Sxh4!
- 1...Rd4
- 1.Qb6?
- threat
- 2.Rb4#
- 1...Rd1
- 2.Be2#
- 1...Rd2
- 2.Be2#
- 1...Rd4
- 2.Be2#
- 1...Rd5
- 2.Be2#
- 1...Rd6
- 2.Be2#
- 1...Rd7
- 2.Be2#
- 1...Rd8
- 2.Be2#
- 1...Sxb6!
- threat
- 1.Qa7?
- threat
- 2.Rb4#
- 1...Rd1
- 2.Be2#
- 1...Rd2
- 2.Be2#
- 1...Rd4
- 2.Be2#
- 1...Rd5
- 2.Be2#
- 1...Rd6
- 2.Be2#
- 1...Rd7
- 2.Be2#
- 1...Rd8
- 2.Be2#
- 1...Sb6!
- threat
- 1.Kxa4?
- Keys
- 1.Sd4!
- threat
- 2.Rd5#
- 1...Kxd4
- 2.Bxf5#
- 1...Rxd4
- 2.Be2#
- 1...Bxd4
- 2.Qe6#
- 1...Sxd4
- 2.Be6#
- 1...Sc5
- 2.Rb4#
- 1...Sd6
- 2.Be6#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(d);::R(B)+B(A),DCHECK
- R(d);S_CUTB(i),S_CUTS(h),S_CUTS(h)::B(A)
- R(d);P_PINR(D)::R(B)+B(A),DCHECK
- S(f);SBLOCK::QAB(E)+R(D),DCHECK
- S(h);OGATE::R(B)+B(A),DCHECK
- S(h);OGATE::B(A)
- Tries
- Try
- K(C);P-FLIGHT,XS(f)
- Threat
- DUALS(4)
- Vars
- S(h);OGATE::R(B)+B(A),DCHECK
- Refutation
- B(a);CHECK
- Try
- S(F);CHECK
- Vars
- K(g);P-FLIGHT::R(B)+B(A),XS(h)
- Refutation
- B(i);XS(F)
- Try
- B(A);CHECK
- Vars
- R(d);P_SPINR(d),S_CUTB(i),S_CUTS(h),S_CUTS(h)::B(A)
- S(h);P_SPINS(h)::B(A)
- Refutation
- S(h);XR(B)
- Try
- B(A);CHECK,XS(h)
- Refutation
- R(d);P_SPINR(d)
- Try
- B(A);CHECK
- Vars
- R(d);P_SPINR(d),S_CUTB(i),S_CUTS(h),S_CUTS(h)::B(A)
- S(h);P_SPINS(h)::B(A)
- Refutation
- S(h);XR(B)
- Try
- Q(E);
- Threat
- R1(D)
- Vars
- R(d);::R(B)+B(A),DCHECK
- R(d);S_CUTB(i),S_CUTS(h),S_CUTS(h)::B(A)
- R(d);P_PINR(D)::R(B)+B(A),DCHECK
- Refutation
- S(f);XQ(E)
- Try
- Q(E);
- Threat
- R1(D)
- Vars
- R(d);::R(B)+B(A),DCHECK
- R(d);S_CUTB(i),S_CUTS(h),S_CUTS(h)::B(A)
- R(d);P_PINR(D)::R(B)+B(A),DCHECK
- Refutation
- S(f);
- Try
- Actual
- S(F);
- Threat
- QAB(E)+R(D)
- Vars
- K(g);OGATEB,P-FLIGHT,XS(F)::R(B)+B(A),XS(h)
- R(d);OGATEB,XS(F)::B(A)
- B(i);SBLOCK,XS(F)::QAB(E)
- S(h);OGATE,XS(F)::B(A)
- S(f);SBLOCK::QAB(E)+R(D),DCHECK
- S(h);OGATE::B(A)
Developed and maintained by Brian Stephenson.
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