MESON Chess Problem Database

Problem Display
PID: 196407 (8/8/8/K7/1R6/8/2Pkp3/N5Q1 w - - 0 1)

Svitek, Miroslav

Lowicz ECSC TT, 2011

8/8/8/K7/1R6/8/2Pkp3/N5Q1

#2

5 + 2

3485 Sachova skladba 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qe3#
      • 2.Qd4#
      • 2.Qe1#
  • Tries
    • 1.Rb1?
      • threat
        • 2.Qd4#
      • 1...e1Q
        • 2.Qxe1#
      • 1...e1S
        • 2.Qxe1#
      • 1...e1B
        • 2.Qxe1#
      • 1...e1R
        • 2.Qxe1#
      • 1...Kc3!
    • 1.Qf2?
      • 1...Kc1
        • 2.Qe1#
      • 1...Kc3
        • 2.Qe1#
        • 2.Qe3#
        • 2.Qd4#
      • 1...Kd1!
    • 1.Qe3+?
      • 1...Kd1
        • 2.Rb1#
      • 1...Ke1
        • 2.Rb1#
      • 1...Kxe3!
    • 1.Qd4+?
      • 1...Ke1
        • 2.Rb1#
      • 1...Kc1!
    • 1.Qc1+?
      • 1...Kc3
        • 2.Qe3#
        • 2.Qe1#
      • 1...Kxc1!
    • 1.Qg5+?
      • 1...Kd1
        • 2.Rb1#
      • 1...Kc3
        • 2.Qe3#
      • 1...Ke1!
  • Keys
    • 1.Re4!
      • 1...Kc3
        • 2.Qd4#
      • 1...e1Q
        • 2.Qxe1#
      • 1...e1S
        • 2.Qxe1#
      • 1...e1B
        • 2.Qxe1#
      • 1...e1R
        • 2.Qxe1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • QAR2(B)
      • Vars
        • P(b);::QAB1(B),XQ(b)
        • P(b);::QAB1(B),XS(b)
        • P(b);::QAB1(B),XB(b)
        • P(b);::QAB1(B),XR(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);P_PINP(b)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::R(D)
        • K(a);P_SPINP(b),S_FLIGHT::R(D)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::R(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::R(D)
        • K(a);S_FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • P(b);::QAB1(B),XQ(b)
      • P(b);::QAB1(B),XS(b)
      • P(b);::QAB1(B),XB(b)
      • P(b);::QAB1(B),XR(b)
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