MESON Chess Problem Database

Problem Display
PID: 202432 (1b6/2p2K1p/4R3/2Bk4/R1b2p1r/Qp6/8/8 w - - 0 1)

van Dijk, Johannes

De Maasbode, 1923

1b6/2p2K1p/4R3/2Bk4/R1b2p1r/Qp6/8/8

#2

5 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Rd4#
    • 1...Be2
      • 2.Rd4#
    • 1...Bd3
      • 2.Rd4#
    • 1...Bb5
      • 2.Rd4#
    • 1...Ba6
      • 2.Rd4#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Qc5#
      • 1...c5
        • 2.Qxc5#
      • 1...Ba7!
    • 1.Bf2?
      • threat
        • 2.Qc5#
      • 1...c5
        • 2.Qxc5#
      • 1...Ba7!
    • 1.Bb6?
      • threat
        • 2.Qc5#
      • 1...c5
        • 2.Qxc5#
      • 1...cxb6!
    • 1.Ba7?
      • threat
        • 2.Qc5#
      • 1...c5
        • 2.Qxc5#
      • 1...Bxa7!
    • 1.Qb2?
      • threat
        • 2.Qd4#
        • 2.Qe5#
      • 1...Rh5
        • 2.Qd4#
      • 1...f3
        • 2.Qe5#
      • 1...c6
        • 2.Qd4#
      • 1...Kxc5!
    • 1.Qb4?
      • threat
        • 2.Qxc4#
      • 1...Bf1
        • 2.Qd4#
      • 1...Be2
        • 2.Qd4#
      • 1...Bd3
        • 2.Qd4#
      • 1...Bb5
        • 2.Qd4#
      • 1...Ba6
        • 2.Qd4#
      • 1...f3!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qxc4#
      • 1...Kxc5
        • 2.Qxc4#
      • 1...Bf1
        • 2.Rd4#
      • 1...Be2
        • 2.Rd4#
      • 1...Bd3
        • 2.Rd4#
      • 1...Bb5
        • 2.Rd4#
      • 1...Ba6
        • 2.Rd4#
      • 1...f3
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATE::R1(B)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • P(f);::QAR1(A),XP(f)
      • Refutation
        • B(h);
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • P(f);::QAR1(A),XP(f)
      • Refutation
        • B(h);
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • P(f);::QAR1(A),XP(f)
      • Refutation
        • P(f);XB(C)
    • Try
      • B(C);
      • Threat
        • QAR1(A)
      • Vars
        • P(f);::QAR1(A),XP(f)
      • Refutation
        • B(h);XB(C)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);::QAR1(A)
        • P(c);::QAR1(A)
        • P(f);::QAR1(A)
      • Refutation
        • K(e);P-FLIGHT,P_PINR(D),XB(C)
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XB(b)
      • Vars
        • B(b);OGATE::QAR1(A)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Threat
      • QAB1(A),XB(b)
    • Vars
      • K(e);P-FLIGHT,P_PINR(D),P_SPINB(b),XB(C)::QAR1(A),XB(b)
      • B(b);OGATE::R1(B)
      • P(c);OGATE::QAR(A)
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