MESON Chess Problem Database

Problem Display
PID: 73015 (3r2Bb/6n1/Rn2p3/1PPk2Nb/1K5R/1PB4p/6r1/7Q w - - 0 1)

van Walree, SS

Tijdschrift vd KNSB, 1936

3r2Bb/6n1/Rn2p3/1PPk2Nb/1K5R/1PB4p/6r1/7Q

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.bxc4#
    • 1...Sd7
      • 2.Rd6#
    • 1...Sf5
      • 2.Bxe6#
    • 1...Se8
      • 2.Bxe6#
  • Tries
    • 1.Bf6?
      • threat
        • 2.Rd4#
      • 1...Sf5
        • 2.Bxe6#
      • 1...Bg4!
    • 1.Qxg2+?
      • 1...Bf3
        • 2.Qxf3#
        • 2.Qd2#
      • 1...hxg2!
    • 1.Qd1+?
      • 1...Rd2
        • 2.Qxd2#
      • 1...Bxd1!
  • Keys
    • 1.Re4!
      • threat
        • 2.Re5#
      • 1...Rg4
        • 2.Rxg4#
        • 2.Qd1#
      • 1...Sc4
        • 2.bxc4#
      • 1...Sd7
        • 2.Rd6#
      • 1...Sf5
        • 2.Bxe6#
      • 1...Se8
        • 2.Bxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(e);OGATE::P(B),XS(e)
    • S(e);OGATE::R1(I)
    • S(g);N_GUARD::B(J),XP(f)
  • Tries
    • Try
      • B(C);
      • Threat
        • R1(E)
      • Vars
        • S(g);N_GUARD::B(J),XP(f)
      • Refutation
        • B(d);
    • Try
      • Q(A);CHECK,XR(a)
      • Refutation
        • P(b);XQ(A)
    • Try
      • Q(A);CHECK,N_PINR(a)
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::QAR(A),XR(a)
      • Refutation
        • B(d);XQ(A)
  • Actual
    • R(E);N_PINR(a)
    • Threat
      • R1(E)
    • Vars
      • S(e);OGATE::P(B),XS(e)
      • S(e);OGATE::R1(I)
      • S(g);N_GUARD::B(J),XP(f)
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