MESON Chess Problem Database

Problem Display
PID: 103338 (6b1/2Q2n1p/p2pP2P/p3k2P/Pp1NN3/1K2P3/7p/7B w - - 0 1)

Simay-Molnar, Aladar

HM., Western Morning News, 1925

(First published on Sat May 16 1925)

6b1/2Q2n1p/p2pP2P/p3k2P/Pp1NN3/1K2P3/7p/7B

#2

10 + 9

6490 yacpdb 2009
15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxa5#
    • 1...Sg5
      • 2.Qxd6#
    • 1...Sxh6
      • 2.Qxd6#
    • 1...Sd8
      • 2.Qxd6#
    • 1...Sh8
      • 2.Qxd6#
  • Tries
    • 1.Kc4?
      • 1...Sxh6
        • 2.Qxd6#
        • 2.Qg7#
      • 1...Sg5
        • 2.Qxd6#
        • 2.Qg7#
      • 1...Sd8
        • 2.Qxd6#
        • 2.Qg7#
      • 1...Sh8
        • 2.Qxd6#
        • 2.Qg7#
      • 1...b3!
    • 1.Sd2?
      • 1...Sxh6
        • 2.Qg7#
      • 1...Sg5
        • 2.Qg7#
      • 1...Sd8
        • 2.Qg7#
      • 1...Sh8
        • 2.Qg7#
      • 1...Kf6!
    • 1.Sf2?
      • threat
        • 2.Sg4#
      • 1...Sxh6
        • 2.Qg7#
      • 1...Kf6!
    • 1.Sg3?
      • 1...Sxh6
        • 2.Qg7#
      • 1...Sg5
        • 2.Qg7#
      • 1...Sd8
        • 2.Qg7#
      • 1...Sh8
        • 2.Qg7#
      • 1...Kf6!
    • 1.Sg5?
      • 1...Sxg5
        • 2.Qg7#
      • 1...Sxh6
        • 2.Qg7#
      • 1...Sd8
        • 2.Qg7#
      • 1...Sh8
        • 2.Qg7#
      • 1...Kf6!
    • 1.Sf6?
      • threat
        • 2.Sg4#
        • 2.Sd7#
      • 1...Sxh6
        • 2.Sd7#
      • 1...Kxf6!
    • 1.Qb6?
      • 1...Kd5
        • 2.Qxa5#
      • 1...Sxh6
        • 2.Qxd6#
      • 1...Sg5
        • 2.Qxd6#
      • 1...Sd8
        • 2.Qxd6#
      • 1...Sh8
        • 2.Qxd6#
      • 1...d5!
    • 1.Qb8?
      • 1...Sxh6
        • 2.Qxd6#
      • 1...Sg5
        • 2.Qxd6#
      • 1...Sd8
        • 2.Qxd6#
      • 1...Sh8
        • 2.Qxd6#
      • 1...Kd5!
    • 1.Qd8?
      • 1...Kd5
        • 2.Qxa5#
      • 1...Sxh6
        • 2.Qxd6#
      • 1...Sg5
        • 2.Qxg5#
        • 2.Qxd6#
      • 1...Sh8
        • 2.Qg5#
        • 2.Qxd6#
      • 1...d5
        • 2.Qf6#
      • 1...Sxd8!
    • 1.Qc6?
      • 1...Sxh6
        • 2.Qxd6#
      • 1...Sg5
        • 2.Qxd6#
      • 1...Sd8
        • 2.Qxd6#
      • 1...Sh8
        • 2.Qxd6#
      • 1...d5!
    • 1.Qe7?
      • 1...Sxh6
        • 2.Qxd6#
      • 1...d5
        • 2.Qf6#
        • 2.exf7#
      • 1...Sg5
        • 2.Qxg5#
        • 2.Qxd6#
      • 1...Sd8
        • 2.Qg5#
        • 2.Qxd6#
      • 1...Sh8
        • 2.Qg5#
        • 2.Qxd6#
      • 1...Kd5!
    • 1.Qxf7?
      • threat
        • 2.Qf5#
      • 1...Kd5
        • 2.Qf5#
      • 1...Bxf7!
    • 1.exf7?
      • threat
        • 2.Qxd6#
      • 1...Kd5
        • 2.Qxa5#
        • 2.Qxd6#
      • 1...Bxf7+!
  • Keys
    • 1.Sxd6!
      • 1...Kf6
        • 2.Se4#
      • 1...Sxd6
        • 2.Qg7#
      • 1...Sxh6
        • 2.Se8#
      • 1...Sg5
        • 2.Se8#
      • 1...Sd8
        • 2.Se8#
      • 1...Sh8
        • 2.Se8#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(d);N_SPINP(f),P-FLIGHT::QAR(J),XP(c)
    • S(g);N_GUARD,P_PINP(H)::QAB1(J),XP(f)
    • S(g);N_GUARD,P_PINP(H),XP(I)::QAB1(J),XP(f)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Refutation
        • P(b);
    • Try
      • S(F);
      • Vars
        • S(g);OGATE,P_PINP(H),XP(I)::QAB(J)
        • S(g);OGATE,P_PINP(H)::QAB(J)
      • Refutation
        • K(d);N_SPINP(f),S_FLIGHT
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • S(g);OGATE,P_PINP(H),XP(I)::QAB(J)
      • Refutation
        • K(d);N_SPINP(f),S_FLIGHT
    • Try
      • S(F);
      • Vars
        • S(g);OGATE,P_PINP(H),XP(I)::QAB(J)
        • S(g);OGATE,P_PINP(H)::QAB(J)
      • Refutation
        • K(d);N_SPINP(f),S_FLIGHT
    • Try
      • S(F);
      • Vars
        • S(g);OGATE,P_PINP(H),XS(F)::QAB(J)
        • S(g);OGATE,P_PINP(H),XP(I)::QAB(J)
        • S(g);OGATE,P_PINP(H)::QAB(J)
      • Refutation
        • K(d);N_SPINP(f),S_FLIGHT
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);P_PINP(H),XP(I)::S(F)
      • Refutation
        • K(d);N_SPINP(f),S_FLIGHT,XS(F)
    • Try
      • Q(J);N_PINP(f)
      • Vars
        • K(d);P-FLIGHT::QAR(J),XP(c)
        • S(g);N_GUARD,P_PINP(H),XP(I)::QAB1(J),XP(f)
        • S(g);N_GUARD,P_PINP(H)::QAB1(J),XP(f)
      • Refutation
        • P(f);
    • Try
      • Q(J);
      • Vars
        • S(g);N_GUARD,P_PINP(H),XP(I)::QAB1(J),XP(f)
        • S(g);N_GUARD,P_PINP(H)::QAB1(J),XP(f)
      • Refutation
        • K(d);N_SPINP(f),P-FLIGHT
    • Try
      • Q(J);N_PINP(f)
      • Vars
        • K(d);P-FLIGHT,P_SPINP(f)::QAR(J),XP(c)
        • S(g);N_GUARD,P_PINP(H),XP(I)::QAB1(J),XP(f)
        • P(f);SBLOCK::QAB1(J)
      • Refutation
        • S(g);P_PINP(H),XQ(J)
    • Try
      • Q(J);N_PINP(f)
      • Vars
        • S(g);N_GUARD,P_PINP(H),XP(I)::QAB1(J),XP(f)
        • S(g);N_GUARD,P_PINP(H)::QAB1(J),XP(f)
      • Refutation
        • P(f);
    • Try
      • Q(J);N_PINP(f)
      • Vars
        • S(g);N_GUARD,P_PINP(H),XP(I)::QAB1(J),XP(f)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(J);N_PINP(f),XS(g)
      • Threat
        • QAR1(J)
      • Vars
        • K(d);P-FLIGHT::QAR2(J)
      • Refutation
        • B(i);P_PINP(H),XQ(J)
    • Try
      • P(H);P_SPINP(H),XS(g)
      • Threat
        • QAB1(J),XP(f)
      • Refutation
        • B(i);CHECK,XP(H)
  • Actual
    • S(F);XP(f)
    • Vars
      • K(d);S_FLIGHT::S(F)
      • S(g);OGATE,P_PINP(H),P_SPINS(g),SBLOCK,XS(F)::QAB(J)
      • S(g);N_GUARD,P_PINP(H),XP(I)::QAB(J)+S(F)
      • S(g);N_GUARD,P_PINP(H)::QAB(J)+S(F)
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Developed and maintained by Brian Stephenson.
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