MESON Chess Problem Database

Problem Display
PID: 144762 (2r5/1nr3p1/4p3/3B2K1/1P1k1P2/3pp3/QN2R3/B7 w - - 0 1)

Ellerman, Arnoldo

Magyar Sakkvilag, 1931

2r5/1nr3p1/4p3/3B2K1/1P1k1P2/3pp3/QN2R3/B7

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sd1#
      • 2.Sa4#
      • 2.Qc4#
  • Tries
    • 1.Bc6?
      • threat
        • 2.Sd1#
        • 2.Sa4#
        • 2.Sc4#
        • 2.Qc4#
      • 1...Kc3
        • 2.Qc4#
      • 1...dxe2
        • 2.Qc4#
      • 1...Sa5
        • 2.Sd1#
        • 2.Sa4#
        • 2.Sc4#
      • 1...Sd6
        • 2.Sd1#
        • 2.Sa4#
        • 2.Sc4#
      • 1...d2
        • 2.Qc4#
      • 1...Rxc6!
    • 1.Qb3?
      • threat
        • 2.Qxd3#
      • 1...dxe2
        • 2.Qd3#
      • 1...Sc5
        • 2.Sd1#
        • 2.Sxd3#
        • 2.Sa4#
        • 2.Qc4#
      • 1...d2
        • 2.Qd3#
      • 1...Rc3!
  • Keys
    • 1.Rxe3!
      • threat
        • 2.Rxd3#
      • 1...Kc3
        • 2.Sxd3#
      • 1...Kxe3
        • 2.Sd1#
      • 1...exd5
        • 2.Sc4#
      • 1...Rc3
        • 2.Re4#
      • 1...Sc5
        • 2.Sd1#
      • 1...d2
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);
      • Threat
        • DUALS(4)
      • Vars
        • K(c);S_FLIGHT::QAR1(B)
        • P(a);XR(D)::QAR1(B)
        • P(a);::QAR1(B)
      • Refutation
        • R(f);XB(G)
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(a)
      • Vars
        • P(a);XR(D)::QAR1(B)
        • P(a);::QAR1(B)
      • Refutation
        • R(f);
  • Actual
    • R(D);XP(b)
    • Threat
      • R1(D),XP(a)
    • Vars
      • K(c);P_SPINP(a),S_FLIGHT::B(A)+S(C),XP(a)
      • K(c);S_FLIGHT,XR(D)::S(C)
      • P(d);SBLOCK,XB(G)::B(A)+S(C)
      • R(f);SBLOCK::R1(D)
      • S(e);S_CUTR(f)::B(A)+S(C)
      • P(a);::R1(D)
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