MESON Chess Problem Database

Problem Display
PID: 149213 (3r4/6PQ/B7/1r4P1/bp3P2/1P1P2R1/1B1kP3/n1RN1K2 w - - 0 1)

Petite, Efren

Best Problems, 2010

3r4/6PQ/B7/1r4P1/bp3P2/1P1P2R1/1B1kP3/n1RN1K2

#2

13 + 6

15148 Sadier Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd3
      • 2.Rxd3#
      • 2.Qxd3#
  • Tries
    • 1.Sc3?
      • threat
        • 2.Sb1#
        • 2.Se4#
      • 1...Re5
        • 2.Sb1#
      • 1...Rd4
        • 2.Sb1#
      • 1...Re8
        • 2.Sb1#
      • 1...bxc3!
    • 1.Se3?
      • threat
        • 2.Sc4#
        • 2.Rd1#
      • 1...Rc5
        • 2.Rd1#
      • 1...Rd4
        • 2.Rd1#
      • 1...Rc8
        • 2.Rd1#
      • 1...Bxb3!
    • 1.d4?
      • threat
        • 2.Rd3#
        • 2.Qd3#
      • 1...Rf5
        • 2.Rd3#
      • 1...Rxd4!
  • Keys
    • 1.e3!
      • threat
        • 2.Rg2#
      • 1...Rxg5
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);::S(B)
        • R(f);::S(B)
      • Refutation
        • P(d);XS(B)
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);::R1(A)
        • R(f);::R1(A)
      • Refutation
        • B(c);XP(F)
    • Try
      • P(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);P_PINP(I)::R1(H)
      • Refutation
        • R(f);XP(G)
  • Actual
    • P(E);
    • Threat
      • R(H)
    • Vars
      • R(e);XP(J)::QAR(M)
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