MESON Chess Problem Database

Problem Display
PID: 99651 (8/8/4b3/3Q4/7R/8/8/k3K2R w K - 0 1)

Cseh, Miklos

Magyar Sakkszovetseg, 1968

8/8/4b3/3Q4/7R/8/8/k3K2R

#2

4 + 2

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.R1h2?
      • threat
        • 2.Qd1#
      • 1...Kb1
        • 2.Qd1#
      • 1...Bg4
        • 2.Qa2#
      • 1...Bf5
        • 2.Qa2#
      • 1...Bxd5!
    • 1.Rb4?
      • threat
        • 2.Kd2#
        • 2.Ke2#
        • 2.Kf2#
        • 2.0-0#
      • 1...Bh3
        • 2.Qa8#
        • 2.Qa5#
      • 1...Bg4
        • 2.Qa8#
        • 2.Qa5#
      • 1...Bf5
        • 2.Qa8#
        • 2.Qa5#
      • 1...Bxd5!
  • Keys
    • 1.R4h2!
      • threat
        • 2.Qd1#
        • 2.0-0#
      • 1...Kb1
        • 2.Qd1#
        • 2.0-0#
      • 1...Bxd5
        • 2.0-0#
      • 1...Bh3
        • 2.Qa2#
        • 2.Qd1#
      • 1...Bg4
        • 2.Qa2#
      • 1...Bf5
        • 2.Qa2#

Anticipated by 193477(1915)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • QAR(D)
      • Vars
        • K(a);P-FLIGHT::QAR2(D)
        • B(b);N_GUARD::QAR1(D)
      • Refutation
        • B(b);XQ(D)
    • Try
      • R(C);
      • Threat
        • DUALS(4)
      • Refutation
        • B(b);XQ(D)
  • Actual
    • R(C);
    • Threat
      • DUALS(2)
    • Vars
      • B(b);XQ(D)::0-0
      • B(b);N_GUARD::QAR1(D)
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