MESON Chess Problem Database

Problem Display
PID: 180065 (8/8/6R1/3pkp2/Q7/8/1K4B1/8 w - - 0 1)

Bartolovic, Hrvoje

Variantim, 1993

8/8/6R1/3pkp2/Q7/8/1K4B1/8

#2

4 + 3

5454 Near Snap 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Kc3?
      • threat
        • 2.Qd4#
      • 1...d4+
        • 2.Qxd4#
      • 1...f4!
    • 1.Bh3?
      • 1...f4
        • 2.Re6#
      • 1...d4!
    • 1.Bxd5?
      • 1...f4
        • 2.Qe4#
      • 1...Kxd5!
    • 1.Qd1?
      • 1...Kf4
        • 2.Qd4#
      • 1...f4
        • 2.Qxd5#
      • 1...d4!
    • 1.Qc6?
      • 1...Kd4
        • 2.Qc3#
      • 1...d4
        • 2.Qd6#
        • 2.Qc7#
      • 1...f4
        • 2.Qxd5#
        • 2.Qf6#
      • 1...Kf4!
    • 1.Qa3?
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...d4
        • 2.Qd6#
      • 1...f4!
    • 1.Qb4?
      • 1...d4
        • 2.Qd6#
        • 2.Qb8#
      • 1...f4!
    • 1.Qc4?
      • 1...d4
        • 2.Qc7#
      • 1...f4
        • 2.Qxd5#
      • 1...dxc4!
    • 1.Qh4?
      • 1...f4
        • 2.Qf6#
      • 1...d4!
    • 1.Qa5?
      • 1...Kd4
        • 2.Qc3#
      • 1...f4
        • 2.Qxd5#
      • 1...Kf4!
    • 1.Qa7?
      • threat
        • 2.Qe3#
      • 1...Kf4
        • 2.Qd4#
      • 1...d4
        • 2.Qb8#
        • 2.Qc7#
      • 1...f4!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qg3#
      • 1...d4
        • 2.Qb8#
      • 1...f4
        • 2.Qxd5#

Anticipated by 11447(1938)

This anticipates 239241(2017)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • QAB1(C)
      • Vars
        • P(a);CHECK::QAB1(C),XP(a)
      • Refutation
        • P(c);
    • Try
      • B(B);
      • Vars
        • P(c);::R1(D)
      • Refutation
        • P(a);
    • Try
      • B(B);XP(a)
      • Vars
        • P(c);N_GUARD::QAR1(C)
      • Refutation
        • K(b);P-FLIGHT,XB(B)
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAR2(C)
        • P(c);SBLOCK::QAR1(C),XP(a)
      • Refutation
        • P(a);
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR2(C)
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • P(a);::QAB1(C)
      • Refutation
        • P(c);
    • Try
      • Q(C);
      • Refutation
        • P(c);
    • Try
      • Q(C);
      • Vars
        • P(a);SBLOCK::QAB(C)
        • P(c);SBLOCK::QAR1(C),XP(a)
      • Refutation
        • P(a);XQ(C)
    • Try
      • Q(C);
      • Vars
        • P(c);::QAB1(C)
      • Refutation
        • P(a);
    • Try
      • Q(C);P_PINP(a)
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(C)
        • P(c);SBLOCK::QAR1(C),XP(a)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR2(C)
      • Vars
        • K(b);S_FLIGHT::QAR2(C)
      • Refutation
        • P(c);
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • P(a);SBLOCK::QAB(C)
      • P(c);SBLOCK::QAR1(C),XP(a)
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