MESON Chess Problem Database

Problem Display
PID: 66383 (2R3B1/5KQ1/np2N2N/1r2pP2/R1b1k1p1/4p1P1/2Ppqpp1/B7 w - - 0 1)

Djurasevic, Branislav

Phenix, 1988

2R3B1/5KQ1/np2N2N/1r2pP2/R1b1k1p1/4p1P1/2Ppqpp1/B7

#2

11 + 12

15526 Svi Moji Sahovski Problemi (Djurasevic) 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qxg4#
    • 1...Kd5
      • 2.Qxe5#
    • 1...Rd5
      • 2.Sg5#
  • Tries
    • 1.Kf6?
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Qxg4#
      • 1...Rb2
        • 2.Qb7#
      • 1...Kd5!
    • 1.Kg6?
      • threat
        • 2.Sg5#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Rb2
        • 2.Qb7#
      • 1...Kf3!
    • 1.Ke7?
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Qxg4#
      • 1...Kd5
        • 2.Sc5#
        • 2.Sg5#
        • 2.Qxe5#
      • 1...Rb2!
    • 1.Ke8?
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Qxg4#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Rb2
        • 2.Qb7#
      • 1...Sc7+!
    • 1.Raxc4+?
      • 1...Kf3
        • 2.Qxg4#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Qxc4!
    • 1.Rcxc4+?
      • 1...Kf3
        • 2.Qxg4#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Qxc4!
    • 1.Qxe5+?
      • 1...Kf3
        • 2.Qf4#
      • 1...Rxe5!
  • Keys
    • 1.Kf8!
      • threat
        • 2.Sg5#
      • 1...Kf3
        • 2.Qxg4#
      • 1...Kd5
        • 2.Qxe5#
      • 1...Rb2
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(g);N_SPINB(f),S_FLIGHT::QAB1(I),XP(h)
    • K(g);N_PINS(F),N_SPINB(f),S_FLIGHT::QAR1(I),XP(j)
    • R(i);N_PINS(F),SBLOCK::S(F)
  • Tries
    • Try
      • K(H);N_SPINS(F),P-FLIGHT
      • Threat
        • S(F)
      • Vars
        • K(g);N_SPINB(f),S_FLIGHT::QAB1(I),XP(h)
        • R(i);N_GUARD::QAB(I)
      • Refutation
        • K(g);N_SPINB(f),S_FLIGHT
    • Try
      • K(H);N_SPINS(F),S_FLIGHT
      • Threat
        • S(F)
      • Vars
        • K(g);N_SPINB(f),S_FLIGHT::QAR1(I),XP(j)
        • R(i);N_GUARD::QAB(I)
      • Refutation
        • K(g);N_SPINB(f),S_FLIGHT
    • Try
      • K(H);N_SPINS(F),P-FLIGHT
      • Threat
        • S(F)
      • Vars
        • K(g);N_SPINB(f),S_FLIGHT::QAB1(I),XP(h)
      • Refutation
        • R(i);
    • Try
      • K(H);N_SPINS(F),S_FLIGHT
      • Threat
        • S(F)
      • Vars
        • K(g);N_SPINB(f),S_FLIGHT::QAB1(I),XP(h)
        • K(g);N_SPINB(f),S_FLIGHT::QAR1(I),XP(j)
        • R(i);N_GUARD::QAB(I)
      • Refutation
        • S(k);CHECK
    • Try
      • R(D);CHECK,N_SPINS(F),XB(f)
      • Vars
        • K(g);S_FLIGHT::QAB1(I),XP(h)
        • K(g);S_FLIGHT::QAR1(I),XP(j)
      • Refutation
        • Q(b);P_PINS(F),XR(D)
    • Try
      • R(J);CHECK,N_SPINS(F),XB(f)
      • Vars
        • K(g);S_FLIGHT::QAB1(I),XP(h)
        • K(g);S_FLIGHT::QAR1(I),XP(j)
      • Refutation
        • Q(b);P_PINS(F),P_SPINQ(b),XR(J)
    • Try
      • Q(I);CHECK,XP(j)
      • Vars
        • K(g);N_SPINB(f),S_FLIGHT::QAR1(I)
      • Refutation
        • R(i);XQ(I)
  • Actual
    • K(H);N_SPINS(F),P-FLIGHT
    • Threat
      • S(F)
    • Vars
      • K(g);N_SPINB(f),S_FLIGHT::QAB1(I),XP(h)
      • K(g);N_SPINB(f),S_FLIGHT::QAR1(I),XP(j)
      • R(i);N_GUARD::QAB(I)
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