MESON Chess Problem Database

Problem Display
PID: 243210 (4b1Q1/1K1p4/6q1/8/3N3R/4PB2/p3P2P/R3B1k1 w - - 0 1)

Bartolovic, Hrvoje

Stern, 1969

4b1Q1/1K1p4/6q1/8/3N3R/4PB2/p3P2P/R3B1k1

#2

10 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qg2
      • 2.Qxg2#
    • 1...Qg3
      • 2.Bxg3#
    • 1...Qg4
      • 2.Bg3#
    • 1...Qg5
      • 2.Bg3#
    • 1...Qg7
      • 2.Bg3#
    • 1...Qxg8
      • 2.Bg3#
  • Tries
    • 1.Sc2?
      • threat
        • 2.Bg3#
      • 1...Kf1
        • 2.Bg3#
      • 1...Qg2
        • 2.Qxg2#
      • 1...Qg3
        • 2.Bxg3#
      • 1...Qg7!
    • 1.Sf5?
      • threat
        • 2.Bg3#
      • 1...Kf1
        • 2.Bg3#
      • 1...Qg2
        • 2.Qxg2#
      • 1...Qg3
        • 2.Bxg3#
      • 1...Qg7!
    • 1.Rh3?
      • threat
        • 2.Bh4#
      • 1...Qg3
        • 2.Bxg3#
      • 1...Kf1!
    • 1.Re4?
      • threat
        • 2.Bg3#
      • 1...Kf1
        • 2.Bg3#
        • 2.Bh4#
      • 1...Qg2
        • 2.Qxg2#
      • 1...Qg3
        • 2.Bxg3#
      • 1...Kxh2!
    • 1.Qxg6+?
      • 1...Kf1
        • 2.Bg3#
        • 2.Qg2#
      • 1...Bxg6!
    • 1.e4?
      • threat
        • 2.Bg3#
      • 1...Kf1
        • 2.Bg3#
      • 1...Qg2
        • 2.Qxg2#
      • 1...Qg3
        • 2.Bxg3#
      • 1...Qg5!
  • Keys
    • 1.Be4!
      • threat
        • 2.Bg3#
      • 1...Kf1
        • 2.Bg3#
      • 1...Qg2
        • 2.Qxg2#
      • 1...Qg3
        • 2.Bxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(c);OGATE,P_PINB(F)::QAR1(J),XQ(c)
    • Q(c);N_GUARD::R(A)+B(B),XQ(c)
    • Q(c);N_GUARD::R(A)+B(B)
    • Q(c);N_GUARD,N_SPINQ(c),XQ(J)::R(A)+B(B)
  • Tries
    • Try
      • S(G);
      • Threat
        • R(A)+B(B)
      • Vars
        • K(a);N_SPINQ(c),P-FLIGHT::R(A)+B(B)
        • Q(c);OGATE,P_PINB(F)::QAR1(J),XQ(c)
        • Q(c);::R(A)+B(B),XQ(c)
      • Refutation
        • Q(c);
    • Try
      • S(G);
      • Threat
        • R(A)+B(B)
      • Vars
        • K(a);N_SPINQ(c),P-FLIGHT::R(A)+B(B)
        • Q(c);OGATE,P_PINB(F)::QAR1(J),XQ(c)
        • Q(c);::R(A)+B(B),XQ(c)
      • Refutation
        • Q(c);
    • Try
      • R(H);
      • Threat
        • R(A)+B(B)
      • Vars
        • Q(c);N_GUARD::R(A)+B(B),XQ(c)
      • Refutation
        • K(a);N_SPINQ(c),P-FLIGHT
    • Try
      • R(H);
      • Threat
        • R(A)+B(B)
      • Vars
        • Q(c);OGATE::QAR1(J),XQ(c)
        • Q(c);::R(A)+B(B),XQ(c)
      • Refutation
        • K(a);N_SPINQ(c),S_FLIGHT,XP(D)
    • Try
      • Q(J);CHECK,XQ(c)
      • Refutation
        • B(e);XQ(J)
    • Try
      • P(E);
      • Threat
        • R(A)+B(B)
      • Vars
        • K(a);N_SPINQ(c),P-FLIGHT::R(A)+B(B)
        • Q(c);OGATE::QAR1(J),XQ(c)
        • Q(c);::R(A)+B(B),XQ(c)
      • Refutation
        • Q(c);
  • Actual
    • B(F);
    • Threat
      • R(A)+B(B)
    • Vars
      • K(a);N_SPINQ(c),P-FLIGHT::R(A)+B(B)
      • Q(c);OGATE,P_PINB(F)::QAR1(J),XQ(c)
      • Q(c);::R(A)+B(B),XQ(c)
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