MESON Chess Problem Database

Problem Display
PID: 265951 (bKB2BN1/2p5/2p1P3/1RpPkpp1/n1Rp2p1/3Q4/1pN5/6n1 w - - 0 1)

Bakcsi, Gyorgy

Buletin Problemistic, 1994

bKB2BN1/2p5/2p1P3/1RpPkpp1/n1Rp2p1/3Q4/1pN5/6n1

#2

10 + 12

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qe3#
    • 1...Kxd5
      • 2.Qxd4#
  • Tries
    • 1.Bg7+?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxd5
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Kd6!
    • 1.Rxd4?
      • threat
        • 2.Qe3#
      • 1...cxd4
        • 2.Qxd4#
      • 1...f4
        • 2.Qe4#
      • 1...Sc3!
    • 1.Qe2+?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxd5
        • 2.Sb4#
        • 2.Sf6#
        • 2.Rxd4#
      • 1...Sxe2!
    • 1.Qe3+?
      • 1...Kxd5
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...dxe3!
    • 1.Qg3+?
      • 1...Ke4
        • 2.Sf6#
      • 1...Kxd5
        • 2.Rxd4#
      • 1...f4!
  • Keys
    • 1.Sh6!
      • threat
        • 2.Qxf5#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxd5
        • 2.Qxd4#
      • 1...Kf6
        • 2.Qxf5#
      • 1...f4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(g);N_GUARD,P_SPINP(d),S_FLIGHT::QAB1(B)
    • K(g);P-FLIGHT,P_SPINP(d),S_CUTP(f),XP(E)::QAR1(B),XP(d)
  • Tries
    • Try
      • B(I);CHECK
      • Vars
        • K(g);N_GUARD,P_SPINP(d),S_FLIGHT::QAB1(B)
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • R(C);XP(d)
      • Threat
        • QAR2(B)
      • Vars
        • P(f);OGATE,XR(C)::QAB1(B),XP(f)
        • P(h);N_GUARD::QAR1(B)
      • Refutation
        • S(c);
    • Try
      • Q(B);CHECK
      • Vars
        • K(g);N_GUARD,P_SPINP(d),S_FLIGHT::QAB1(B)
      • Refutation
        • S(a);XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • P(d);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(g);N_GUARD,P-FLIGHT,P_SPINP(d),S_CUTP(h)::S(J)
        • K(g);P-FLIGHT,P_SPINP(f),S_CUTP(h),XP(E)::R1(C),XP(d)
      • Refutation
        • P(h);P_SPINP(h)
  • Actual
    • S(J);
    • Threat
      • QAR1(B),XP(h)
    • Vars
      • K(g);N_GUARD,P_SPINP(d),S_FLIGHT::QAB1(B)
      • K(g);P-FLIGHT,P_SPINP(d),S_CUTP(f),XP(E)::QAR1(B),XP(d)
      • K(g);S_FLIGHT::QAR1(B),XP(h)
      • P(h);::QAR1(B)
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