MESON Chess Problem Database

Problem Display
PID: 201582 (8/3Pr1p1/Kp2R3/1Q1Pp2N/R1nbk1P1/5r2/2P3n1/3N1bBB w - - 0 1)

Nagy, Odon

Comm., BCPS, 1922

8/3Pr1p1/Kp2R3/1Q1Pp2N/R1nbk1P1/5r2/2P3n1/3N1bBB

#2

12 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sge3
      • 2.Sf2#
    • 1...Sf4
      • 2.Sg3#
    • 1...Sb2
      • 2.Rxd4#
    • 1...Sd2
      • 2.Rxd4#
    • 1...Sa3
      • 2.Rxd4#
    • 1...Sce3
      • 2.Sc3#
    • 1...Sa5
      • 2.Rxd4#
    • 1...Sd6
      • 2.Rxd4#
  • Keys
    • 1.d6!
      • threat
        • 2.Qc6#
      • 1...Bxg1
        • 2.Qxe5#
      • 1...Sxd6
        • 2.Rxd4#
      • 1...Bf2
        • 2.Qxe5#
      • 1...Be3
        • 2.Qxe5#
      • 1...Sge3
        • 2.Sf2#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sb2
        • 2.Rxd4#
      • 1...Sd2
        • 2.Rxd4#
      • 1...Sa3
        • 2.Rxd4#
      • 1...Sce3
        • 2.Sc3#
      • 1...Sa5
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);P_SPINR(c),SBLOCK,S_CUTB(e)::S(A)
    • S(b);P_SPINR(c),SBLOCK::S(I)
    • S(d);OGATE,P_PINQ(G),P_SPINB(e)::R1(E),XB(e)
    • S(d);P_PINQ(G),P_SPINB(e),S_CUTR(c)::S(A)
  • Actual
    • P(H);
    • Threat
      • QAB(G)
    • Vars
      • B(e);N_GUARD,P_SPINS(d),XB(B)::QAR1(G),XP(g)
      • S(d);OGATE,P_PINQ(G),P_SPINB(e),XP(H)::R1(E),XB(e)
      • B(e);N_GUARD,P_SPINS(d)::QAR1(G),XP(g)
      • S(b);P_SPINR(c),SBLOCK,S_CUTB(e)::S(A)
      • S(b);P_SPINR(c),SBLOCK::S(I)
      • S(d);OGATE,P_PINQ(G),P_SPINB(e)::R1(E),XB(e)
      • S(d);P_PINQ(G),P_SPINB(e),S_CUTR(c)::S(A)
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