MESON Chess Problem Database
Problem Display
PID: 168481 (3R1BK1/4p3/4NRp1/p3k3/2Pr1r1P/2n5/2BnNQ2/q1b5 w - - 0 1)
Petite, Efren
Problemas, 1954
#2
10 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Qxf4#
- 1...Rd5
- 2.Qxf4#
- 1...Rd6
- 2.Qxf4#
- 1...Rd7
- 2.Qxf4#
- 1...Rxd8
- 2.Qxf4#
- 1...Rf3
- 2.Qxd4#
- 1...Rf5
- 2.Qxd4#
- 1...Sde4
- 2.Qxd4#
- 1...Sce4
- 2.Qxf4#
- 1...Rd3
- Tries
- 1.S6xd4?
- threat
- 2.Re6#
- 2.Qxf4#
- 1...Kxf6
- 2.Bg7#
- 2.Qxf4#
- 1...Rxf2
- 2.Re6#
- 1...Rxd4
- 2.Qxd4#
- 1...Rxh4
- 2.Sc6#
- 2.Re6#
- 1...Sxc4
- 2.Re6#
- 1...Sxe2
- 2.Re6#
- 1...exf6
- 2.Bd6#
- 2.Re8#
- 2.Qxf4#
- 1...Rf3
- 2.Re6#
- 1...Re4
- 2.Sc6#
- 2.Re6#
- 1...Rg4
- 2.Sc6#
- 2.Re6#
- 1...Rf5
- 2.Re6#
- 1...Sdb1
- 2.Re6#
- 1...Sf1
- 2.Re6#
- 1...Sb3
- 2.Re6#
- 1...Sf3
- 2.Re6#
- 1...Sde4
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...g5
- 2.Re6#
- 1...e6
- 2.Rxe6#
- 2.Qxf4#
- 1...Rxf6!
- threat
- 1.S6xf4?
- threat
- 2.Sxg6#
- 2.Re6#
- 2.Qxd4#
- 1...Kxf6
- 2.Bg7#
- 1...Rxc4
- 2.Sxg6#
- 2.Re6#
- 1...Rxf4
- 2.Qxf4#
- 1...Rxd8
- 2.Sxg6#
- 2.Re6#
- 1...Sxe2
- 2.Sxg6#
- 2.Re6#
- 1...exf6
- 2.Re8#
- 2.Qxd4#
- 1...Re4
- 2.Sd3#
- 2.Sxg6#
- 1...Rd5
- 2.Sxg6#
- 2.Re6#
- 1...Rd6
- 2.Sxg6#
- 1...Rd7
- 2.Sxg6#
- 2.Re6#
- 1...Sb3
- 2.Sxg6#
- 2.Re6#
- 1...Sf3
- 2.Re6#
- 1...Sde4
- 2.Sxg6#
- 2.Qxd4#
- 1...Scb1
- 2.Sxg6#
- 2.Re6#
- 1...Sd1
- 2.Sxg6#
- 2.Re6#
- 1...Sa2
- 2.Sxg6#
- 2.Re6#
- 1...Sa4
- 2.Sxg6#
- 2.Re6#
- 1...Sce4
- 2.Sxg6#
- 1...Sb5
- 2.Sxg6#
- 2.Re6#
- 1...Sd5
- 2.Sxg6#
- 2.Re6#
- 1...g5
- 2.Sg6#
- 2.Rf5#
- 2.Re6#
- 2.Qxd4#
- 1...e6
- 2.Sxg6#
- 2.Rxe6#
- 2.Qxd4#
- 1...Rd3!
- threat
- 1.Sg5?
- threat
- 2.Re6#
- 1...Kxf6
- 2.Bg7#
- 1...Rxf6
- 2.Qxd4#
- 1...exf6
- 2.Re8#
- 1...Rd3
- 2.Qxf4#
- 1...Rd6
- 2.Qxf4#
- 1...Sde4
- 2.Qxd4#
- 1...Sce4
- 2.Qxf4#
- 1...e6
- 2.Rxe6#
- 1...Rde4!
- threat
- 1.Sc7?
- threat
- 2.Re6#
- 1...Kxf6
- 2.Bg7#
- 1...Rxf6
- 2.Qxd4#
- 1...exf6
- 2.Re8#
- 1...Rd3
- 2.Qxf4#
- 1...Rd6
- 2.Qxf4#
- 1...Sde4
- 2.Qxd4#
- 1...Sce4
- 2.Qxf4#
- 1...e6
- 2.Rxe6#
- 1...Rde4!
- threat
- 1.Sg7?
- threat
- 2.Re6#
- 1...Rxf6
- 2.Qxd4#
- 1...exf6
- 2.Re8#
- 1...Rd6
- 2.Qxf4#
- 1...e6
- 2.Rxe6#
- 1...Kxf6!
- threat
- 1.Qe3+?
- 1...Kxf6
- 2.Bg7#
- 1...Rfe4
- 2.Qg5#
- 1...Sde4
- 2.Qxd4#
- 1...Sce4
- 2.Qxf4#
- 1...Rde4!
- 1...Kxf6
- 1.S6xd4?
- Keys
- 1.Sc5!
- threat
- 2.Re6#
- 1...Kxf6
- 2.Bg7#
- 1...Rxf6
- 2.Qxd4#
- 1...exf6
- 2.Re8#
- 1...Rd3
- 2.Qxf4#
- 1...Rde4
- 2.Sd7#
- 1...Rd6
- 2.Qxf4#
- 1...Sde4
- 2.Qxd4#
- 1...Sce4
- 2.Qxf4#
- 1...e6
- 2.Rxe6#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 5
- Sets
- R(e);N_GUARD::QAB1(C),XR(f)
- R(e);N_GUARD,P_PINB(I),XR(H)::QAB1(C),XR(f)
- R(f);N_GUARD::QAB1(C),XR(e)
- S(c);S_CUTR(f)::QAB1(C),XR(e)
- S(d);S_CUTR(e)::QAB1(C),XR(f)
- Tries
- Try
- S(F);XR(e)
- Threat
- DUALS(2)
- Vars
- R(f);XQ(C)::R1(G)
- R(f);OGATE,XS(F)::QAB1(C),XR(f)
- S(c);XP(D)::R1(G)
- S(d);XS(B)::R1(G)
- R(f);::R1(G)
- S(c);::R1(G)
- S(d);::R1(G)
- P(i);::R1(G)
- Refutation
- R(f);XR(G)
- Try
- S(F);XR(f)
- Threat
- DUALS(3)
- Vars
- K(h);OGATEB,S_FLIGHT,XR(G)::B(I)
- R(e);OGATE,XS(F)::QAB1(C),XR(e)
- R(e);::S(F),XP(i)
- S(c);::R1(G)
- S(d);::S(F),XP(i)
- Refutation
- R(e);
- Try
- S(F);
- Threat
- R1(G)
- Vars
- K(h);OGATEB,P_SPINR(f),S_FLIGHT,XR(G)::B(I)
- R(f);N_GUARD,SBLOCK,XR(G)::QAB1(C),XR(e)
- P(j);OGATEB,SBLOCK,XR(G)::R(H)
- R(e);N_GUARD::QAB1(C),XR(f)
- S(c);S_CUTR(f)::QAB1(C),XR(e)
- S(d);S_CUTR(e)::QAB1(C),XR(f)
- P(j);::R1(G),XP(j)
- Refutation
- R(e);
- Try
- S(F);
- Threat
- R1(G)
- Vars
- K(h);OGATEB,P_SPINR(f),S_FLIGHT,XR(G)::B(I)
- R(f);N_GUARD,SBLOCK,XR(G)::QAB1(C),XR(e)
- P(j);OGATEB,SBLOCK,XR(G)::R(H)
- R(e);N_GUARD::QAB1(C),XR(f)
- S(c);S_CUTR(f)::QAB1(C),XR(e)
- S(d);S_CUTR(e)::QAB1(C),XR(f)
- P(j);::R1(G),XP(j)
- Refutation
- R(e);
- Try
- S(F);
- Threat
- R1(G)
- Vars
- R(f);N_GUARD,SBLOCK,XR(G)::QAB1(C),XR(e)
- P(j);OGATEB,SBLOCK,XR(G)::R(H)
- R(e);N_GUARD::QAB1(C),XR(f)
- P(j);::R1(G),XP(j)
- Refutation
- K(h);P_SPINR(f),S_FLIGHT,XR(G)
- Try
- Q(C);CHECK
- Vars
- K(h);S_FLIGHT,XR(G)::B(I)
- R(f);OGATE,P_SPINR(f)::QAR2(C)
- S(c);P_SPINS(c),S_CUTR(f)::QAB1(C),XR(e)
- S(d);P_SPINS(d),S_CUTR(e)::QAB1(C),XR(f)
- Refutation
- R(e);P_SPINR(e)
- Try
- Actual
- S(F);
- Threat
- R1(G)
- Vars
- K(h);OGATEB,P_SPINR(f),S_FLIGHT,XR(G)::B(I)
- R(f);N_GUARD,SBLOCK,XR(G)::QAB1(C),XR(e)
- P(j);OGATEB,SBLOCK,XR(G)::R(H)
- R(e);N_GUARD::QAB1(C),XR(f)
- R(e);N_GUARD::S(F)
- S(c);S_CUTR(f)::QAB1(C),XR(e)
- S(d);S_CUTR(e)::QAB1(C),XR(f)
- P(j);::R1(G),XP(j)
Developed and maintained by Brian Stephenson.
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