MESON Chess Problem Database

Problem Display
PID: 200362 (8/8/8/8/4K1B1/6p1/5kr1/3Q4 w - - 0 1)

Surkov, Valery Albertovich

Sachova skladba, 1998

8/8/8/8/4K1B1/6p1/5kr1/3Q4

#2

3 + 3

5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Qe2#
  • Tries
    • 1.Kd3?
      • 1...Rg1
        • 2.Qe2#
      • 1...Rh2!
    • 1.Kd4?
      • 1...Rg1
        • 2.Qe2#
      • 1...Rh2!
    • 1.Kf4?
      • 1...Rg1
        • 2.Qe2#
      • 1...Rh2!
    • 1.Kd5?
      • 1...Ke3
        • 2.Qd4#
      • 1...Rg1
        • 2.Qe2#
      • 1...Rh2!
    • 1.Ke5?
      • 1...Ke3
        • 2.Qd4#
      • 1...Rg1
        • 2.Qe2#
      • 1...Rh2!
    • 1.Bf3?
      • 1...Rg1
        • 2.Qe2#
      • 1...Rh2!
    • 1.Bh5?
      • 1...Rg1
        • 2.Qe2#
      • 1...Rh2!
  • Keys
    • 1.Bh3!
      • 1...Rg1
        • 2.Qd2#
      • 1...Rh2
        • 2.Qf1#

Anticipated by 199458(1998)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::QAR1(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • R(b);SBLOCK::QAR1(A)
      • Refutation
        • R(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • R(b);SBLOCK::QAR1(A)
      • Refutation
        • R(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • R(b);SBLOCK::QAR1(A)
      • Refutation
        • R(b);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • R(b);SBLOCK::QAR1(A)
      • Refutation
        • R(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • R(b);SBLOCK::QAR1(A)
      • Refutation
        • R(b);
    • Try
      • B(C);
      • Vars
        • R(b);SBLOCK::QAR1(A)
      • Refutation
        • R(b);
    • Try
      • B(C);
      • Vars
        • R(b);SBLOCK::QAR1(A)
      • Refutation
        • R(b);
  • Actual
    • B(C);
    • Vars
      • R(b);SBLOCK::QAR2(A)
      • R(b);::QAR1(A)
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