MESON Chess Problem Database
Problem Display
PID: 70939 (2r5/2n2R2/3p1R2/1p1Pk1p1/1N1p3p/4n2r/2PN4/B1K3b1 w - - 0 1)
Eerkes, Allard Pieter
Probleemblad, 1945
#2
8 + 11
| 102 | Probleemblad | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Sd1
- 2.Rf5#
- 1...Sf1
- 2.Rf5#
- 1...Sxc2
- 2.Rf5#
- 1...Sg2
- 2.Rf5#
- 1...Sc4
- 2.Rf5#
- 1...Sg4
- 2.Rf5#
- 1...Sexd5
- 2.Sc6#
- 1...Sf5
- 2.Rxf5#
- 1...Scxd5
- 2.Sd3#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...Sd1
- Tries
- 1.Rf4?
- threat
- 2.Bxd4#
- 2.Re4#
- 1...Sxc2
- 2.Re4#
- 2.R4f5#
- 2.R7f5#
- 1...Sexd5
- 2.Re4#
- 1...Scxd5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 2.R4xf5#
- 2.R7xf5#
- 1...Sd1
- 2.Re4#
- 2.R4f5#
- 2.R7f5#
- 1...Sf1
- 2.Re4#
- 2.R4f5#
- 2.R7f5#
- 1...Sg2
- 2.Re4#
- 2.R4f5#
- 2.R7f5#
- 1...Sc4
- 2.Re4#
- 2.R4f5#
- 2.R7f5#
- 1...Sg4
- 2.Re4#
- 2.R4f5#
- 2.R7f5#
- 1...Se6
- 2.Re4#
- 1...gxf4!
- threat
- 1.Re7+?
- 1...Se6
- 2.Rexe6#
- 1...Kxf6!
- 1...Se6
- 1.c4?
- threat
- 2.Sd3#
- 2.Sc6#
- 1...Sxc4
- 2.Rf5#
- 1...Sexd5
- 2.Sc6#
- 1...Scxd5
- 2.Sd3#
- 1...dxc4 ep
- 2.Bxc3#
- 1...Sf5
- 2.Rxf5#
- 1...Sd1
- 2.Sc6#
- 2.Rf5#
- 1...Sf1
- 2.Sc6#
- 2.Rf5#
- 1...Sc2
- 2.Sc6#
- 2.Rf5#
- 1...Sg2
- 2.Sc6#
- 2.Rf5#
- 1...Sg4
- 2.Sc6#
- 2.Rf5#
- 1...Sa6
- 2.Sd3#
- 2.Re6#
- 1...Se6
- 2.Sd3#
- 2.Rxe6#
- 1...Sa8
- 2.Sd3#
- 2.Re6#
- 1...Se8
- 2.Sd3#
- 2.Re6#
- 1...bxc4!
- threat
- 1.Rf4?
- Keys
- 1.c3!
- threat
- 2.cxd4#
- 1...Sexd5
- 2.Sc6#
- 1...Scxd5
- 2.Sd3#
- 1...dxc3
- 2.Bxc3#
- 1...Sf5
- 2.Rxf5#
- 1...Sd1
- 2.Rf5#
- 1...Sf1
- 2.Rf5#
- 1...Sc2
- 2.Rf5#
- 1...Sg2
- 2.Rf5#
- 1...Sc4
- 2.Rf5#
- 1...Sg4
- 2.Rf5#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Se8
- 2.Re6#
- 1...d3
- 2.c4#
- threat
- 1.c3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::R1(G)
- S(b);N_GUARD,XP(C)::R1(G)
- S(b);SBLOCK,XP(F)::S(E)
- S(b);N_GUARD::R1(G),XS(b)
- S(j);P_PINP(C),SBLOCK,XP(F)::S(E)
- S(j);N_GUARD,P_PINP(C)::R1(G)
- S(j);N_GUARD,P_PINP(C)::R1(G),XS(j)
- Tries
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(b);XP(F)::R1(G)
- S(j);P_PINP(C),XP(F)::R1(G)
- S(j);P_PINP(C)::R1(G)
- Refutation
- P(h);XR(G)
- Try
- R(H);CHECK
- Vars
- S(j);N_GUARD,P_PINP(C),P_SPINS(j)::R1(H),XS(j)
- Refutation
- K(g);S_FLIGHT,XR(G)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD,XP(C)::R1(G)
- S(b);XP(F)::S(E)
- S(j);P_PINP(C),XP(F)::S(E)
- P(d);EP,OGATEB,XP(C)::B(A),XP(d)
- S(b);N_GUARD::R1(G),XS(b)
- Refutation
- P(f);XP(C)
- Try
- Actual
- P(C);N_PINP(d)
- Threat
- P(C),XP(d)
- Vars
- S(b);SBLOCK,XP(F)::S(E)
- S(j);P_PINP(C),SBLOCK,XP(F)::S(E)
- P(d);OGATE,P_SPINP(d),XP(C)::B(A),XP(d)
- S(b);N_GUARD::R1(G),XS(b)
- S(b);N_GUARD::R1(G)
- S(j);N_GUARD,P_PINP(C)::R1(G)
- S(j);N_GUARD,P_PINP(C)::R1(G),XS(j)
- P(d);::B(A)+P(C)
Developed and maintained by Brian Stephenson.
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