MESON Chess Problem Database

Problem Display
PID: 110428 (1b1R4/4Pp2/1B1pbpN1/1P4Q1/2prk2N/3p1n2/4nr2/3KR2B w - - 0 1)

Molnar, Arpad

Magyar Nemzet, 1958

1b1R4/4Pp2/1B1pbpN1/1P4Q1/2prk2N/3p1n2/4nr2/3KR2B

#2

10 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh2
      • 2.Bxf3#
    • 1...Rd5
      • 2.Qe3#
      • 2.Qf4#
    • 1...Bd5
      • 2.Qf4#
  • Tries
    • 1.Rxe2+?
      • 1...Rxe2
        • 2.Bxf3#
      • 1...dxe2+!
    • 1.Qf5+?
      • 1...Ke3
        • 2.Qf4#
      • 1...Bxf5!
  • Keys
    • 1.Qxf6!
      • threat
        • 2.Qxd4#
      • 1...Ke3
        • 2.Qf4#
      • 1...Kd5
        • 2.Qe5#
      • 1...Rg2
        • 2.Qxf3#
      • 1...Rd5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(b);N_GUARD::B(C),XS(d)
    • B(i);SBLOCK::QAR1(F)
  • Tries
    • Try
      • R(B);CHECK,P_PINS(d),XS(a)
      • Vars
        • R(b);XR(B)::B(C),XS(d)
      • Refutation
        • P(c);CHECK,XR(B)
    • Try
      • Q(F);CHECK
      • Vars
        • K(g);P-FLIGHT,P_SPINR(f)::QAB1(F)
      • Refutation
        • B(i);XQ(F)
  • Actual
    • Q(F);XP(j)
    • Threat
      • QAR1(F),XR(f)
    • Vars
      • K(g);P-FLIGHT,P_SPINR(f)::QAB1(F)
      • K(g);N_SPINS(a),P_SPINP(h),P_SPINS(d),S_FLIGHT::QAR1(F)
      • R(b);N_GUARD::QAB1(F),XS(d)
      • R(f);SBLOCK::QAR1(F)
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