MESON Chess Problem Database

Problem Display
PID: 95085 (4k2r/2R4p/2p2B2/1bp5/p7/4P2p/1Q6/R3K3 w - - 0 1)

Sabol, Frantisek

Pravda, 1985

4k2r/2R4p/2p2B2/1bp5/p7/4P2p/1Q6/R3K3

#2

6 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf8
      • 2.Qe5#
    • 1...Bf1
      • 2.Qb8#
    • 1...Be2
      • 2.Qb8#
    • 1...Bd3
      • 2.Qb8#
    • 1...Bc4
      • 2.Qb8#
  • Tries
    • 1.Bh4?
      • threat
        • 2.Qxh8#
      • 1...Kf8
        • 2.Qxh8#
      • 1...Rf8
        • 2.Qe5#
      • 1...Bc4
        • 2.Qb8#
      • 1...Rg8!
    • 1.Bg5?
      • threat
        • 2.Qxh8#
      • 1...Kf8
        • 2.Qxh8#
      • 1...Rf8
        • 2.Qe5#
      • 1...Bc4
        • 2.Qb8#
      • 1...Rg8!
    • 1.Rxa4?
      • threat
        • 2.Ra8#
      • 1...Kf8
        • 2.Ra8#
      • 1...Bxa4
        • 2.Qb8#
      • 1...Ba6!
    • 1.Qd4?
      • threat
        • 2.Qd8#
      • 1...Kf8
        • 2.Qd8#
      • 1...cxd4!
    • 1.Qd2?
      • threat
        • 2.Qd8#
      • 1...Kf8
        • 2.Qd8#
      • 1...Bd3!
    • 1.Qb3?
      • threat
        • 2.Qf7#
      • 1...Kf8
        • 2.Rc8#
        • 2.Qf7#
      • 1...axb3
        • 2.Ra8#
      • 1...Rf8
        • 2.Qe6#
      • 1...Bc4
        • 2.Qb8#
      • 1...c4!
    • 1.Qxb5?
      • threat
        • 2.Qb8#
      • 1...Kf8
        • 2.Qb8#
      • 1...cxb5!
  • Keys
    • 1.Rd1!
      • threat
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#
      • 1...Bd3
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(h);SBLOCK::QAR(C)
    • B(c);OGATE::QAR(C)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAR(C),XR(h)
      • Vars
        • K(g);P-FLIGHT::QAR2(C),XR(h)
        • R(h);SBLOCK::QAR(C)
        • B(c);OGATE::QAR(C)
      • Refutation
        • R(h);
    • Try
      • B(E);
      • Threat
        • QAR(C),XR(h)
      • Vars
        • K(g);P-FLIGHT::QAR2(C),XR(h)
        • R(h);SBLOCK::QAR(C)
        • B(c);OGATE::QAR(C)
      • Refutation
        • R(h);
    • Try
      • R(A);XP(b)
      • Threat
        • R(A)
      • Vars
        • K(g);P-FLIGHT::R(A)
        • B(c);OGATE,XR(A)::QAR(C)
      • Refutation
        • B(c);
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(g);P-FLIGHT::QAR2(C)
      • Refutation
        • P(d);XQ(C)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(g);P-FLIGHT::QAR2(C)
      • Refutation
        • B(c);
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • P(b);OGATE,XQ(C)::R(A)
        • R(h);SBLOCK::QAR2(C)
        • B(c);OGATE::QAR(C)
      • Refutation
        • P(d);
    • Try
      • Q(C);P_PINP(e),XB(c)
      • Threat
        • QAR(C)
      • Vars
        • K(g);N_SPINP(e),P-FLIGHT::QAR(C)
      • Refutation
        • P(e);N_SPINP(e),XQ(C)
  • Actual
    • R(A);
    • Threat
      • R1(A)
    • Vars
      • K(g);P-FLIGHT::R(A)
      • B(c);OGATE::QAR(C)
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