MESON Chess Problem Database

Problem Display
PID: 231391 (8/8/8/1p6/pK4N1/P2p4/P1k5/RR3B2 w - - 0 1)

Schwarz, Bela

Nepszava, 1927

8/8/8/1p6/pK4N1/P2p4/P1k5/RR3B2

#2

7 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.Rb2#
    • 1...d2
      • 2.Se3#
  • Tries
    • 1.Sf2?
      • 1...d2
        • 2.Bd3#
      • 1...Kd2!
    • 1.Se5?
      • 1...d2
        • 2.Bd3#
      • 1...Kd2!
    • 1.Be2?
      • 1...Kd2
        • 2.Rb2#
      • 1...d2
        • 2.Se3#
      • 1...dxe2!
    • 1.Bxd3+?
      • 1...Kd2
        • 2.Rd1#
      • 1...Kxd3!
    • 1.Bh3?
      • 1...Kd2
        • 2.Rb2#
      • 1...d2!
    • 1.Rb3?
      • 1...Kd2
        • 2.Rb2#
      • 1...d2
        • 2.Se3#
        • 2.Bd3#
      • 1...axb3!
  • Keys
    • 1.Bg2!
      • 1...Kd2
        • 2.Rb2#
      • 1...d2
        • 2.Be4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(B)
    • P(b);SBLOCK::S(G)
  • Tries
    • Try
      • S(G);
      • Vars
        • P(b);SBLOCK::B(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(G);
      • Vars
        • P(b);SBLOCK::B(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R(B)
        • P(b);SBLOCK::S(G)
      • Refutation
        • P(b);XB(C)
    • Try
      • B(C);CHECK,XP(b)
      • Vars
        • K(a);P-FLIGHT::R1(B)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::R(B)
      • Refutation
        • P(c);XR(B)
  • Actual
    • B(C);
    • Vars
      • K(a);P-FLIGHT::R(B)
      • P(b);OGATEB,SBLOCK::B(C)
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